JP3402381B2 - Locking mechanism for driving force transmission - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [0001] BACKGROUND OF THE INVENTIONFor driving force transmission
ofLocking mechanism, more specifically, detection and control of multiple locking positions
UFor driving force transmissionIt relates to a locking mechanism. [0002] 2. Description of the Related Art Conventionally, in a device such as a camera, a single
Driving force switcher that switches the driving force to multiple drive systems
Various structures have been proposed.
No. 648 discloses that a single motor is driven by forward and reverse rotation.
Driving force switching mechanism that switches power to multiple transmission mechanisms disclosed
Have been. [0003] This technical means, by its forward rotation operation
The drive power of the above single motor is used for shutter charge and mirror
The motor is used as a drive source for driving, etc.
The driving force of the motor is
And switch to use each one
You. Japanese Patent Application No. 4-60548 discloses a low
Tally clutch switches clutch in one direction of rotation
Perform motion and rotation in the other directionSufferedDrive mechanism
Driving technical means have been proposed. By the way, in such a switching mechanism,
Is a technology that requires detection of the position of the switching member,
In Japanese Patent Application No. 4-171066, lift the lever.
The initial position is detected by the length of the cam switching area
Technical measures have been proposed. In Japanese Patent Application No. 4-295139,
Is a part of a cam that has multiple locking positions.
To provide absolute position detection
Technical measures have been proposed. On the other hand, in Japanese Patent Application No. 3-309336,
And the combination of sun gear and planetary gear
Drive that selects multiple driven gears using one motor
A mechanism has been proposed. [0008] Further, in Japanese Patent Application No. 4-26878,
To detect the reset position from the pulse width of the driving signal.
Switching mechanisms have been proposed. [0009] SUMMARY OF THE INVENTION
With the technical means disclosed in Japanese Unexamined Patent Publication No. 1-287648.
Switches the locking member of the planetary gear with the section switching member
Requires a complicated mechanism,
Making miniaturization difficult and inviting increased costs
In the above-mentioned Japanese Patent Application No. Hei 4-60548,
The proposed technical means is the absolute position of the rotary clutch part.
Is difficult to detect. [0010] Also, in the above-mentioned Japanese Patent Application No. 4-171066,
In the proposed technical means, the locking mechanism moves at a constant speed.
Position can be detected only when
Absolute position cannot be detected. Further, Japanese Patent Application No. 4-295139 mentioned above discloses
In the technical means proposed in the above, the sensor near the cam
When layout is limited,
In addition, when the size is reduced, the detection error increases,
However, there arises a problem that the size of the object cannot be reduced. On the other hand, Japanese Patent Application No. 3-309336 mentioned above discloses
The technical measures proposed in the
First-stage gear selection of drive system for driving focus lens
After a series of release operations are performed, the release
This causes a time lag, leading to a deterioration in the operational feeling. Further, Japanese Patent Application No. 4-26878 mentioned above discloses
The proposed technical means comprises an initial position detecting means.
The initial position is incorrectly recognized due to malfunction etc.
Then, there is a possibility that the operation may be continued in this state. Also,
In a stationary state, position detection may be difficult. [0014] Means and Action for Solving the Problems
The locking mechanism according to the present invention comprises a plurality of driven parts.
For driving one of the plurality of driven parts.
A single drive source for selectively driving one of the two, and the driving force of the above drive source
A first gear that constantly receives and rotates the first gear and the first gear that constantly rotates
Meshes and rotates to mesh with one of the gears of the plurality of driven parts.
So that they correspond to the positions of the plurality of driven parts.
A second gear movable to a number of positions, and the second gear
Movable by itself according to the driving force
The driving force of the driving source is transmitted to the plurality of
Rotate the second gear to select and transmit the drive
And the second gear is in one direction of the drive source.
When driven, the second gear moves to the plurality of positions.
Rotate in any of,I can not move myself
The second gear is opposite to the one direction of the drive source.
When the second gear receives rotation in the other direction, the second gear rotates.
Rolls and the second gear is in one of the plurality of positions.
To move toTo2nd gear support that can move itself
The member and the second gear drive the drive source in one direction.
In order to disable the movement of the second gear support member when received
At each of the plurality of positions in the second gear support member.
A locked portion provided at a corresponding location and the plurality of
Displaced at each of the stop parts to lock the locked part
A locking part, and one of the plurality of locked parts
At a given locked partOf the above locking partIf the amount of displacement is
Unlike the amount of displacement at the stop, the second gear is
When the source is driven in the other direction opposite to the above one direction,
Locking means that does not lock the locking portion and the locked portion
And aboveLocking partA single light-emitting part to detect the displacement of
A pair of detecting members having a single light receiving portion,
It is provided on the step, and the light emitting part is
At least three lights that transmit or reflect the amount of light
Light amount control means for inputting amount information to the light receiving portion;
The above-mentioned locking portion is provided at a predetermined locked portion and at another locked portion.
The light amount is determined from the light amount control unit to determine that the displacement has occurred.
Thus, the second gear support is detected only by the detection member.
Control means for controlling the movement position of the holding member.
It is characterized by. [0015] Means for Solving the Problems To achieve the above object,
The locking mechanism for the driving force transmission device according to the present invention
For driving one of the plurality of driven parts and the plurality of
A single drive source for selectively driving one of the driven parts of
A first gear that constantly receives and rotates a driving force of a driving source;
The first gear always rotates while meshing with the first gear.
Of the plurality of driven parts so as to mesh with one of the gears.
A second gear movable to a plurality of positions corresponding to the positions;
It can move by itself according to the driving force received by the second gear.
And the driving force of the driving source is transmitted to the second gear.
To select and transmit the plurality of driven parts via
The second gear is rotatably supported, and the second gear is
When the driving source is driven in one direction, the second tooth
When the car rotates in any of the above positions and
Become immovable, and the second gear moves above the drive source.
When receiving driving in the other direction opposite to the one direction,
The second gear rotates and the second gear rotates
You can also move yourself to move to any of the number positions
A second gear support member and the second gear are one of the driving sources;
Movement of the second gear support member when driven in the
The plurality of positions on the second gear support member for
The locked part provided at the location corresponding to each
Displaced at each of the plurality of locked portions, and
A locking portion for locking, and the plurality of locked
The amount of displacement at one given locked part of the
Unlike the amount of displacement at the stop, the second gear is
When the source is driven in the other direction opposite to the above one direction,
Locking means that does not lock the locking portion and the locked portion
And a single source to detect the displacement of the cam follower.
A set of detection members having an optical section and a single light receiving section;
Provided in the locking means, and the starter is provided in accordance with the position of the locking portion.
Transmit or reflect the amount of light from the light section to at least 3
Light amount control means for inputting two light amount information to the light receiving unit
And the above-mentioned predetermined locked part, and the other locked parts,
The amount of light from the light amount control unit is
By making a determination, detection is performed only with the detection member, and the
Control means for controlling the movement position of the two-gear support member.
It is characterized by doing. [0016] Embodiments of the present invention will be described below with reference to the drawings.
I do. FIGS. 1 to 6 show a first embodiment of the present invention.
FIG. 1 shows a camera to which a locking mechanism is applied, and FIG.
2 is a front view, FIG. 3 is a bottom view, and FIG.
A right side view showing a state in which strobes are stored in the camera,
FIG. 5 is a rear view, and FIG.
It is the right view which showed the state at the time of performing a shadow. FIG.
Is an enlarged main part showing the mode setting member of the camera.
It is a top view. The above camera has a so-called strobe built-in type.
This is a single-lens reflex camera,
Lens fixed type that has been downsized by integrating
Camera. As shown in the right side views of FIGS.
The taking lens 1 (see FIG. 2) of the camera is a collapsible lens
By using the power switch 4 during use,
And the lens unit is extended to the photographing state shown in FIG.
It was done. FIGS. 9 to 12 show the above camera.
FIG. 3 is a side view showing the photographing optical system. FIG. 9 shows the WIDE end, that is, the focal length f.
= 28 mm, and FIG.
State, that is, the state of the focal length f = 70 mm,
FIG. 11 shows the TELE end, that is, the focal length f = 110 m
m are shown. FIG. 12 shows a collapsed shape.
State. As shown in these figures, the photographing light of this camera
The academic system is composed of 11 elements in 5 groups.
It is a 4x zoom of 110 mm. As described above, FIG.
That is, f = 28 mm, and FIG.
f = 110 mm. Also, the standard f = 70
FIG. 10 shows the state of the optical system in mm.
This type is shorter than the end. Each of the above lens groups is divided into a first group to a fifth group.
Allocate power to be negative, negative, positive, negative, positive
The use of one aspherical lens in the fifth group
In addition, it constitutes a compact and high-performance optical system. H
Focusing is a front focus type.
This is done by moving the group. The aperture is 4
It is located in front of the group, and when zooming, it is the same as the fourth group.
Move to the body. As described above, in the present camera, the distance between the lens groups
By shortening the size, compactness at the time of storage is achieved.
However, in this embodiment, the mirror and the shutter are located between the fifth lens unit and the image plane.
The fifth group is slightly collapsed due to the placement of the jatter.
do not do. Furthermore, the first and second groups have a shorter overall length when collapsed.
Therefore, in the state shown in FIG.
Into the close side slightly
It is configured to collapse. The power system in the lens frame 11 will be described in detail.
No, but the first group in charge of focusing and Zoomin
The drive of all groups that control the
It is controlled by a scrap motor and a zoom motor, respectively.
The diaphragm integrated with the 4th lens group is also built in the lens frame 11
Is controlled by an aperture motor (stepping motor)
You. The above camera is a photographer at the grip section 7.
And a series of shooting by pressing the release button 2
An operation is performed. Also, the release operation
If you operate the zoom button 5 before the zoom
The shooting lens is moved by the drive system and set to an arbitrary focal length
Becomes possible. Here, the release button 2 is called
It is a loose two-stage switch, the first stage (hereinafter 1st.
Release), the distance measurement and focusing operation are performed, and the second stage
(Hereinafter referred to as 2nd release) to perform a series of shooting operations
It is. A display unit 6 is provided on the upper surface of the camera body.
Depending on the number of film frames and mode operation members.
The user is notified of a shooting mode that can be set. Next, in order to clarify the configuration of the camera,
The overall configuration will be explained with reference to the top view of the central section shown in FIG.
I will tell. As shown in the figure, as shown in FIG.
The rear side (imaging plane side) of the lens frame 11 including
A unit 12 is arranged. In this figure,
Shows a state where the lens frame 11 is retracted. Mira above
The light flux is normally guided to the viewfinder system in the unit 12.
When shooting, there is a mirror that retracts from the optical path.
You. The shutter 13 is of a so-called vertical running type.
The focal plane shutter is
Exposure time depending on the timing of the first and second curtains
Is controlled. The mirror unit 12 and shutter
Wrap the patrone 15 and film on both sides of the -13
A spool and a spool chamber 16 having a necessary space are provided.
It is located and is located behind the shutter 13 (not shown).
Of the shutter 13 for moving the film on the image plane shown in FIG.
Between the magnet part which is partially convex and the lens frame 11
Is provided with a motor 14. This motor 14 is used in this camera.
Is the zooming, focusing, and aperture inside the lens frame 11
Power source that controls all operations except for
Jatter charge, mirror up / down, film winding
It raises and rewinds the film. The motor
-14 is a camera with an outer diameter of 12 mm
A 30 mm long DC motor is used. Also,
The power of the motor 14 is a clutch machine which is a feature of the present embodiment.
It is switched to each drive system by the structure, but the mechanism is later
It will be described in detail. An energy source for driving the motor 14 and the like;
In this camera, a battery 18 is used.
Two lithium batteries are arranged. The patrone chamber 15, the motor 14, the battery 1
Store the energy of the strobe in the space surrounded by 8.
And a strobe substrate (not shown)
Through to the light emitting unit. The main structure has been described with reference to FIG.
Although not shown, zooming is performed inside the lens frame.
Zoom motor and focus module for focusing
And an aperture motor that controls the aperture setting
And all of these actuators
That it is appropriately controlled by the
Needless to say. Next, the relationship between the units of the camera will be described.
For clarity, refer to the exploded internal perspective view of FIG.
explain. In addition, about the unit equivalent to said FIG.
The same symbols are used. First, the lens frame unit 11 includes an optical system.
And a flange-shaped coupling part.
The connecting portion is connected to the patrone chamber 1 described with reference to FIG.
5. Connected to main unit 21 containing spool chamber 16
It is possible. The mirror unit 12 has a shutter unit.
The knit 13 is attached, and the unit set is
It is designed to be attached to the main unit 21 before joining the frames.
Has been established. Here, on the lower surface of the shutter unit 13
Shutter charge lever 2 to charge the shutter
6 is provided on the lower surface of the mirror unit 12.
Mirror drive lever 27 for up and down
It is arranged. In this camera, the motor 14 as the main power source
The power unit having
-It is configured so that it can be connected to the unit 12 from below.
The motor 14 in FIG. 13 (not shown here on the lower side)
Power output from the power unit 22
Fork gear 24, spool 2
5 and so on. Here, the fork gear 24 is loaded
Fits on the patrone shaft of the film patrone,
The spool 25 is provided with a claw (not shown).
The film is held and wound up by a member or a spring member.
It has become. Although not shown, the shutter shutter
Operating the mirror lever 26 and the mirror driving lever 27
A hand lever is also provided in the power unit 22. The mirror unit 12 is a single lens reflex
It is said that the unit has a mirror of the camera
However, at the top of the unit, the light reflected by the mirror
Viewfinder unit 2 that guides the bundle to the viewfinder eyepiece
3 are combined. In this viewfinder unit 23,
Move the lens to a position equivalent to the optical system imaging surface (film surface) during shooting.
Clean is arranged, besides so-called pentapriz
The camera and the eyepiece optical system are included. Next, a locking mechanism according to a first embodiment of the present invention.
The internal principle of the power unit 22 of FIG.
explain. FIG. 14 shows a power unit of the locking mechanism of the first embodiment.
It is a block diagram showing power distribution in a knit. The power source of the camera is a DC motor.
However, the motor 14 used in this embodiment is a camera.
Directly from the motor to reduce the overall size of the
Use a large motor that has enough power to drive the drive system.
I can't use it. Therefore, as shown in FIG.
The deceleration system 32A is arranged as shown in FIG.
After deceleration, the sequence that is the main mechanism of the present embodiment
It is transmitted to the clutch 36A. In this embodiment, the sequence clutch 36A
Is configured so that power can be switched to three systems.
The three systems are the shutter / mirror system 33A,
And a rewinding system 35A. Here in FIG.
Charge lever 26 and mirror drive lever 27 described
Is driven by the same system (shutter / mirror system 33A)
Will be done. The sequence clutch 36A
Power is alternatively transmitted to these three systems.
During driving, the drive from the motor 14 is
Power is not transmitted at all. Next, the sequence clutch 36A
The process will be described with reference to the conceptual diagram of FIG. FIG. 15 shows the locking mechanism of the first embodiment.
FIG. 4 is a perspective view showing a sequence clutch in FIG. The sequence clutch 36A is a so-called sequence clutch.
It uses planetary gears.
Using a rotatable rotary planetary gear
It is. And at least three or more
It has a dynamic system, and the main constituent gears are
A sun gear 31 that rotates by receiving the driving force of the
A planetary gear 32 revolvable with respect to the gear 31
The first stage gears 33, 34, 35 of the dynamic system. The sun gear 31 is decelerated by the motor 14
Power is transmitted via the system 32A,
Depending on the rotation direction of the motor 14, both directions (MA,
MB). The planetary gear 32 has a clutch cam 36.
The clutch cam 36 is pivotally supported on the upper surface.
It is rotatable with a dry load (hereinafter called friction)
Has become. The clutch cam 36 is thickened by a member (not shown).
It is supported on the same axis as the positive gear 31, and the clutch cam alone
Can be rotated with no load. The planetary gear 32 includes the clutch cam
36 is supported on one side upper surface with friction.
However, the rotation of the planetary gear 32 and the sun gear 31
The distance between the center axes (hereinafter referred to as the inter-axis distance) is a so-called
The gears ensure a backlash suitable for transmitting power.
It is arranged so as to have the maintained dimensions. That is, if the planetary gear 32
The sun gear 31 rotates because the option is added.
And the clutch cam 36 receives the force by the planetary gear 32,
The sun gear 31 is urged to revolve in the direction of rotation.
It has become so. Incidentally, the sequence clutch 36A
The purpose is to switch the power to at least three or more systems.
Therefore, if the clutch cam 36 is always revolving,
Does not function. In the present embodiment, the clutch cam 36 is switched over.
A locking surface 38 corresponding to the number of force systems is provided.
A clutch spring-biased toward the center of the clutch cam 36
Locking by the lever 37 enables the clutch cam 36
Is configured so that rotation in one direction can be restricted at a specific position.
Have been. FIG. 15 shows the rotation direction of the clutch cam.
Is the arrow MA, the clutch cam 36 is
When stopped by lever 37 and rotated in the direction of arrow MB
The clutch cam 36 lifts the clutch lever 37
It keeps revolving around. That is, in the figure, when rotating in the MB direction, FIG.
Assuming that the operation is started from the locked state shown in FIG.
At the end of the locking surface 38, a clutch lever 37 is
A cam surface that gradually lifts against the urging force is formed
As the clutch cam 36 rotates, the clutch
When the latch lever 37 is lifted and rotated a predetermined amount,
Here, since the system has been switched to three systems, the predetermined amount is about 1
20 °), and the clutch lever 3 is
7, the relative position of the clutch lever 37 is
It is equivalent to 15. That is, the clutch cam 36 rotates.
During this time, the clutch lever 37 performs the above-described lift operation three times.
It is done. Also, the rotation direction is from MB to MA
When switching, the clutch cam 36 is moved in the MA direction.
The revolving surface, the locking surface first provided on the clutch lever 37
Needless to say, the revolution is prohibited.
No. By summarizing the above, the sequence
The feature of the latch 36A is that it is continuous when the motor rotates in one direction.
To change the clutch, and for rotation in the other direction, the selected drive
It can be said that power is transmitted to the dynamic system. Returning to FIG. 15, around the clutch cam 36
The gears of the first stage of each drive system are arranged. FIG.
Is a state in which the hoisting system 34A is being driven.
The rotation of the sun gear 31 in the MA direction is caused by the rotation of the hoisting system 34A.
Rotate the first-stage gear 34 in the direction of arrow MC, and
Power is transmitted to the pool. The position of the planetary gear 32 is determined by the locking surface 38.
Position is regulated, but the sun gear 3
1, the planetary gear 32, the first gear 34 of the hoisting system
The center of rotation of each gear is aligned on a straight line. The planetary gear 32 and the first stage gear 3
The appropriate backlash between the gears 4 and in this state
Is secured. The other locking surface 38 is
When locked, the planetary gear 32 is the first of the rewind system 35A.
First step gear 35 or shutter / mirror system 33A
The gear meshes with the step gear 33. In these states, the sun gear 31, the planet
Gear 32, first gear 35, or sun gear 3
1, each rotation of the planetary gear 32 and the first stage gear 33
The center of each gear and the locking surface 38 are aligned so that the centers are aligned on a straight line.
Relative relationships are configured. That is, the clutch cam 3
6 rotates in the MB direction in the drawing, the planetary gear
32 passes through the meshing position of each drive system during transmission
It is orbiting. It should be noted that the planetary gear 32 is
If the friction is very small, the clutch cam 36
Tries to lift clutch lever 37 against the spring force.
If the planetary gear 3
The operation becomes only the rotation of No. 2. Further, the friction is increased more than necessary.
When this is done, the slip mentioned above will be completely absent, but each drive system
When driving the motor, friction is involved as transmission loss
Energy loss with respect to motor power
As a result, the driving efficiency is significantly reduced. FIG. 20 is an enlarged sectional view of the planetary gear 32.
FIG. In this embodiment, as shown in FIG.
Planetary gear 32 fixed to the switch cam 36 by bonding or the like.
The planetary gear is driven by a coil spring 32b with respect to the shaft 32a of the
A stable friction is obtained by biasing the
ing. FIG. 21 shows another example of the planetary gear 32.
It is the enlarged sectional view shown. As shown in FIG. 21, the planetary gears 32
As another example, a washer is used instead of the coil spring 32b.
Wave washer 32c and dish
Friction can also be obtained by using a spring. FIGS. 16 to 19 are described with reference to FIG.
Of the present embodiment arranged in the power unit 22
It is a model figure of a clutch part upper surface. FIG. 15 showing the principle is different from the rotation of the cam.
Although the directions (drive side and switching side) are reversed, FIG.
As described above, there are three drive systems. First, FIG. 16 shows a state in which the rewinding system is driven.
And the sun gear 41 rotates in the direction of the arrow,
The reference numeral 43 indicates that the clutch cam 42 has a clutch lever 4
7 at the point PB, the clutch cam 42
And the rewind system 44 is driven in the direction of the arrow.
You. The clutch lever 47 is connected to the clutch cam 4
The spring is biased in two directions.
It is in contact with the chicum 42. That is, the clutch lever
The position of 47 is the cam shape of the clutch cam corresponding to the PA point.
Is determined by Now, the rewinding is completed and the shutter / mirror
Consider the case where the system is subsequently driven. After the motor stops, the motor is reversed to switch the clutch.
Turn over. As shown in FIG. 17, the sun gear also turns in the direction of the arrow.
Start moving. The planetary gear 43 shown in FIG.
1, as shown in FIG.
Built-in friction, which allows the clutch
The cam 42 revolves in the direction of the arrow. That is, the planetary gear
43 releases the meshing with the first stage gear 44 of the rewinding system and
It revolves to the first gear 45 side of the tar mirror system. At this time, the clutch lever 47 is shown in FIG.
From the PA point side by the cam surface of the clutch cam 42
It will be lifted. The planetary gear 43 is a shutter / mirror.
Almost at the same time as passing through the meshing position with the first stage gear 45 of the system
Then, the clutch lever 47 is disengaged from the top dead center and the next cam
The surface (bottom dead center) is pressed by a spring. At this time
The state of these levers and clutches is determined by sensors described later.
The motor detected and rotated to the clutch switching side is
Stop. This state is shown in FIG. 18 and shows the characteristics of the motor.
Above, there is a slight overrun, so the clutch lever
The locking surface has not yet contacted the clutch cam. Next, the motor rotates to the drive side. this
The overrunning clutch cam 42 is
Revolves to the arrow side at, and clutch lever at point PD
Locked by 47. At this time, the clutch lever 4
7 is a PC at the PC point corresponding to the bottom dead center of the clutch cam 42.
The pressing position is regulated. Therefore, the sun gear
The rotation of 41 in FIG.
It is transmitted to the first gear 45 as rotation in the direction of the arrow,
A series of clutch operations is established. Thus, the shutter / mirror system
Move from the first gear 45 to the first gear 46 of the hoisting system
In this case, a similar switching operation is performed. Switching is
It is not limited to adjacent drive trains, but
For example, stop from the shutter / mirror system to the hoisting system.
It is configured so that it is possible to switch to the rewind system without
I have. A sensor (not shown) and position detection
The method will be described in detail later, but only the concept is described in FIG.
3 will be described. FIG. 43 shows the cam surface of the clutch cam described above.
FIG. 4 is a development view in which a circle including the development is developed. As shown in this figure, three locking positions
As the position corresponding to each drive system.
You. In this embodiment, the shutter / mirror system is
The initial position during normal standby of the camera. Soshi
Therefore, in the clutch cam, the next
Top dead center when switching to the locking surface
Are set to the same radius. However, it reaches the top dead center
The lift amount is divided into two types. In FIG. 43, the lift amounts are defined as h1 and h2.
As can be seen, this corresponds to the initial position.
When the shutter / mirror system is locked,
The switch lever is h2 down from top dead center.
When the other position is locked, go down by h1
The position is stable. As a result, the relative position of the clutch lever
By the difference, the determination of the initial position from the three types of locking positions,
Also, determine the number of the locked position from the initial position.
In this embodiment, it is possible to determine other locking positions by using
3 is an outline of position detection. Next, the power portion of this embodiment will be described below.
This will be described in detail below. The power unit mainly described in FIG.
The internal structure of the knit 22 will be described in detail. FIG. 22 is a diagram showing the clutch unit described above from the motor.
FIG. In this figure, in order to make the configuration clear,
Only the main parts are shown in an unfolded state.
-They are engaged. The pinion gear 51 is connected to the shaft of the motor.
The press-fitted gear is the power source of the present embodiment. The
The pinion gear 51 is composed of gears 52, 53, 54
Gear trains are sequentially meshed with each other on the input side of the clutch unit.
The sun gear 41 is rotated. In this embodiment, the motor
The driving object is a film or shutter for power.
Because it cannot be driven directly, decelerate appropriately and use
It is necessary. Also, the one that governs the revolution of the clutch cam 42
20 and 21, the coil spring 32b and the wave
The friction of the washer 32c has been described.
Although the action does not lose at the time of revolution, the planetary gear
Since loss occurs during rotation, the output shaft of the motor
Without deceleration, the loss of motor power
The ratio increases and the efficiency of the entire mechanism is significantly reduced.
I will. Therefore, in this embodiment, the pinion shown in FIG.
Meshing of the four-stage gear from the sun gear 51 to the sun gear 41
By securing a reduction ratio of about 30 in some cases, loss
And realizes a clutch mechanism that can perform high-speed switching
(The loss becomes smaller as the reduction ratio increases.
However, the time required for switching increases). The outer periphery of the clutch cam 42 is shown in FIG.
The three types of power systems described in 16 etc. are laid out.
You. Next, FIG.
It will be described in detail. FIG. 23 shows the shutter / mirror system.
FIG. 4 is an exploded perspective view of a gear train for driving. In this figure, the gear 55 is connected to the planet gears.
16 is a mating partner, and in FIG.
A gear indicated as the first gear 45 of the jitter mirror system
Is equivalent to The gear 55 sequentially meshes with gears 56 and 57.
In this case, the gear 57 serves as a lever drive source of the drive system.
Cam gear 58 (hereinafter referred to as SM
Gear 58). The SM cam gear 58 has a
Mirror mirror 58a for driving the mirror system,
Shutter charge cam 58 for charging the shutter system
b, the stop positions of these cams 58a, 58b.
Mirror up status and shutter charge completion status
State. Therefore, corresponding to the SM cam gear 58,
Output to the SM cam gear 58
The timing gears 59 of the number of teeth mesh with each other,
The sliding section fixed to the gear 59
Of the SM cam gear 5
8 can be detected. Next, provided on the SM cam gear 58,
The cam in use will be described in detail with reference to FIGS. FIG. 24 is a side view of the SM cam gear 58.
It is a figure, and this was shown by the section of A-A 'and B-B'.
These are shown in FIGS. 25 and 26, respectively. FIG. 25 (section taken along the line A-A ') shows a mirror driving mechanism.
FIG. 4 is a cross-sectional view showing a cam 58a, wherein about ／ of the circumference is the same.
It is formed with one radius R1, and a part is the top dead center
The portion connecting R1 and R2 formed by R2 is R
1, R2 is smoothly connected. Here is the death of R2
The point range is the state of the mirror up as the camera state
State. FIG. 26 (cross section B-B ') shows the shutter shutter.
FIG. 14 is a cross-sectional view showing the storage cam 58b, and is indicated by R4.
Between the top dead center range and the minimum radius indicated by R3
It is formed by a kana cam. The cams shown in FIGS. 24 to 26 are SM cams.
A motor integrally molded coaxially with the gear portion of the
It is composed of field parts. Next, the SM cam gear 58 is
A lever mechanism for driving the shutter will be described. FIG. 29 is a block diagram of the mirror system in this embodiment.
It is a part perspective view. The mirror lever 61 is rotatable about the center of rotation.
One end 61A is a SM cam gear
58. The other end 61B
Is in contact with the side plate lever 62. The side plate lever 62 also
This is a rotatable lever having a rotation center. At the other end of the side plate lever 62, a side plate lever is provided.
63 is in contact. The side plate lever 63 is also rotatable.
It is a lever. The mirror 64 has a rotation center axis on the upper end side.
This rotation center is held by a mirror unit (not shown).
By being held, it becomes possible to rotate in a range of 45 °.
The mirror 64 has a mask frame pin on its side surface (side plate lever side).
The mirror 65 is fixed so as to be integral with the mirror 63.
Then, the mask frame pin 65 is moved to the side plate lever of the side plate lever 63.
It is in contact with the other end of the bar 62. With the above configuration, the mirror 64 is used as the mask frame.
Normally by driving the pin 65 in the mirror up direction
It is possible to move from the position (down position) to the up position.
You. FIGS. 30 and 31 show the above-mentioned mirror operation.
It is explanatory drawing which modeled the lever, and has the same function as FIG.
Those having are given the same numbers. FIG. 30 shows a normal state (mirror down state).
The mirror 64 is moved downward by a spring (not shown).
Pressed. Thereby, the mask frame pin 65 is
The lever 63 comes into contact with the lever 63 and its pressing force is further increased by the side plate lever 6.
2 has been transmitted. FIG. 31 shows a mirror-up state.
The mirror lever 61 is moved by the arrow by the rotation of the SM cam gear 58.
The side plate levers 62 and 63 are moved by
The mask frame pin
65 is lifted upward against the spring force
I have. FIG. 31 shows the state in which the SM cam gear 58
Is located at the top dead center position described with reference to FIG.
1 is in the state of maximum lift. Mirror 64 goes down
When the SM cam gear 58 rotates, the mirror
If the bar 61 is in the retractable position, the mirror 64
Each lever returns to the state shown in FIG.
Needless to say. FIGS. 27 and 28 show the SM cam gear 5
FIG. 8 is an explanatory diagram showing a relationship between a mirror lever 8 and a mirror lever 61;
The mirror lever 61 pressing the side plate lever 62 is
The state in which the moving cam is lifted is shown. And FIG.
7 is a normal stop position (mirror down position), and FIG.
32 shows an error-up position (equivalent to FIG. 31). Next, referring to FIG. 32 to FIG.
Will be described. FIG. 32 is a diagram showing the configuration of the camera shown in FIG.
The focal plane shutter from the subject side
FIG. As shown in the figure, one side of the mask portion 70
Is provided with a magnet unit 72, and is provided with a front curtain and a rear curtain.
Gunnet puts the shutter lever 71 in the solid free state.
To the dashed charge state by the stroke L.
And is charged by. In this charged state, the magnet
By applying electricity, the magnet is attracted and the magnet
In this embodiment, the time is formed at the timing when the power is turned off.
The shutter lever 71 is moved by the SM cam gear 58
It is designed to be charged. FIGS. 33 and 34 show the charge state.
In the vicinity of the BB 'cross section of FIG.
It is the top view seen from the camera upper side. FIG. 33 shows the free state, that is, the shutter
The shutter is not charged and the shutter lever 7
1 is a diagram showing the spring force attached to the magnet section 72.
It is urged in the middle and arrow directions. Shutter charge level
The bar 26 is pressed at one end by a spring force and rotates.
The other end of the SM cam gear 58
It is in contact with the cam surface. The state shown in FIG.
Corresponds to immediately after the end of the exposure. In FIG. 33, the shutter is driven by a motor.
When you try to charge, the SM cam gear 58
Rotate around. This will gradually shutter
And the state reaches the charge completion state shown in FIG. Here, the power of the SM cam gear 58 described above is used.
Shutter charge lever 26
Contact, so even if the motor stops, the shutter
-Shutter charge by spring force from lever 71
The lever 26 may rotate the SM cam gear 58
And not. In the description of FIG. 23, the SM cam gear
The stop position of 58 is secured by the timing gear 59 and
Although the timing board 60 was described,
The structure of the switching substrate 60 will be described in detail with reference to FIG. FIG. 35 is a timing chart of FIG.
It is the bottom view which looked at the substrate from the lower surface side. In the figure, regions Wa, Wb, and Wc are made of conductive material.
This is a certain pattern part. The timing shown in FIG.
The sliding contact piece fixed integrally to the gear 59 is shown in FIG.
It covers the minimum radius R1 to the maximum radius R2 of the pattern
It has a width. As shown in FIG. 35, the pattern portion
It is divided into three parts, Wa, Wb and Wc.
Each is input to the detection unit in a pattern (not shown).
You. The above-mentioned sliding contact piece is on the same line as the center of rotation.
Is provided with a contact end, and rotates on the pattern portion.
You. Therefore, the sliding contact piece is in the range of the region Wb, or
When located in the Wc range, the area Wa and the area
The region Wb, the region Wa and the region Wc conduct, and the sliding contact piece is
Exist in the range of the region Wb or the range of the region Wc
Can be detected. Here, the range of the area Wb corresponds to FIG.
Shutter charging completed, the area Wc range
The box corresponds to the state where the mirror corresponding to FIG. 28 is up.
ing. In controlling the motor, the shutter charge
Brake when the region Wa and the region Wb conduct.
When the mirror is raised, the regions Wa and Wc conduct.
Stable stopping action by applying brakes each time
The details are given in the timing chart later.
It will be described in the light of the above. Next, the gear train of the hoisting system in this embodiment
Will be described. FIG. 36 shows the gear train of the hoisting system.
It is a development perspective view. [0135] The gear train of the hoisting system includes the shutter
-Like the gear train of the mirror system, it is deployed in the up and down direction
But the gears adjacent to each other are in mesh
You. In the figure, a gear 81 is composed of a planetary gear
This is the first-stage gear that meshes when driven.
Corresponds to the gear indicated by the first gear 46 of the hoisting system.
You. FIG. 13 shows the unit configuration of this embodiment.
However, in the power unit, the hoisting system is
Since it must be transmitted to the side facing the motor,
A gear train that transmits the lower surface side is required. In FIG. 36, a series of gears
Two-stage gearing from the lower side of the main body via the idle gears 82 to 86
The gear 87 is rotated. Keep film
On the spool to be lifted and wound, the claws and teeth
Gears are provided, and meshing of these series of gear trains is performed.
In some cases, the spool rotates. In addition,
The upper protrusion of the spool is provided on the main unit.
To be rotatably fitted to the upper part of the spool chamber.
Has become. Next, the gear train of the rewinding system in this embodiment
Will be described. FIG. 37 is a development inclination of the gear train of the rewinding system.
FIG. In the figure, a gear 91 is a rewinding system for a planetary gear.
This is the first-stage gear that meshes when driven.
Corresponds to the gear indicated by the first gear 44 of the rewinding system.
You. The gear 91 meshes with the two-stage gear 92, and
After that, it meshes with the gear portion of the fork 93. The fork
Reference numeral 93 denotes a film patrol with a fork at the tip.
It transmits rotation corresponding to the patrone shaft part of the
The fork part is
Coaxial with the Lohne chamber and the fork
The spring is attached in the direction of the arrow in the figure so that it can move forward and backward when inserting
It is being rushed. Here, the power of the motor is used effectively.
For the hoisting system, the total reduction ratio from the motor is
The rewinding system also has a total reduction ratio set to about 150.
You. The internal configuration of each drive system has been described above.
One motor provided in the power unit operates the clutch
Shutter charge, mirror drive,
Mechanics that enable film winding and film rewinding
Showed rhythm. Next, the above-described camera position detecting device is applied.
As an example, it was used to control the sequence motor of a camera.
An example will be described. FIG. 45 shows the locking mechanism of the first embodiment.
FIG. 7 is a block diagram showing an application example of a position detecting device for detecting the position of a vehicle. In FIG. 45, CPU 120 has an internal
The programs stored in the ROM are executed sequentially,
The control of the side IC and the like is performed. AFIC
Reference numeral 134 denotes an IC for autofocus. Note that this
Autofocus method is TTL phase difference detection method for camera
Is adopted. First, the AFIC 134 has a CPU
120, the AFIC reset signal (AFRES) Si
g101 is sent and reset. Light from the subject is taken
Photograph placed on top of AFIC134 through shadow lens
Reach over the sensor array. Then, inside AFIC134
Then, processing such as light intensity integration and quantization is performed. So
Then, the amount of defocus is calculated as the distance measurement information. When the light quantity integration is completed, the light quantity integration is completed.
(AFEND) Sig102 indicating that the
Sent to 120. AFIC134 and CPU
A signal indicating that communication between the communication terminals 120 is to be performed (AFCEN)
Sig103, data signal (DATA) Sig104,
When the synchronization clock signal (CLK) Sig105 is
Transferred to U120. By the way, each element of the photosensor array is
If there are variations in the characteristics of the
I cannot get information. So, with a nonvolatile storage element
An EEPROM 135 has a photo sensor array in advance.
The fluctuation information is stored and obtained from AFIC134.
Correction calculation of the distance measurement information is performed by the CPU 120. So
EEPROM 135 has mechanical variations and various elements.
Various adjustment values such as variations in the electrical characteristics of
It is. These adjustment values are stored in the EEPROM 1 as necessary.
A signal that activates 35, that is, a signal that enables communication.
(EPCEN) Sig107 and data signal (DA
TA) Sig108, synchronous clock signal (CLK) Si
Reading is enabled by g109. Note that the CPU 1
20, AFIC 134, and EEPROM 135
Data transfer is performed by serial communication. Date module 137 is CPU 120
Date on the film by the imprint signal Sig110
Is imprinted. The lighting time of the imprint lamp is
It changes stepwise according to ISO sensitivity. Interf
Interface IC (hereinafter referred to as IFIC) 138
IFIC activation signal (IFCENb) Sig111
CPU 120 and a latch signal (LATC)
H) Sig112, 4-bit bus line signal (D0b ~
D3b) Sig113 to Sig116, D / Ab signal S
parallel communication using the ig 117 to obtain the subject brightness
Measurement, camera temperature measurement, photo interrupter, etc.
Output signal waveform shaping, motor constant voltage drive control, low temperature
Generation of constant voltage, generation of temperature proportional voltage, remaining battery level
Check, reception of infrared light remote control, motor driver IC
Control, LED control, low-voltage monitoring of power supply voltage,
The control of the pressure circuit and the like are performed. Note that the latch signal Sig112 is
Signal to take the timing to read the signal on the
is there. The D / Ab signal is a 4-bit bus line signal Sig1
13-Sig116 indicates the address,
Is a signal indicating whether the signal indicates data. D / Ab
When the signal is "L", the 4-bit bus line signal Sig1
13 to Sig 116 represent an address, and the D / Ab signal
When "H", the 4-bit bus line signal Sig113 to
Sig 116 represents data. The measurement of the subject brightness was performed by dividing the silicon
This is performed using the photodiode 170. Light receiving surface of the sensor
Is divided into two parts, the central part of the screen and the peripheral part
SPOT that performs photometry only in a part of the center of the screen
Photometry and average photometry using the entire screen
Two types of photometry can be performed. The photometric sensor is
A current corresponding to the object brightness is output to the IFIC 138. I
The FIC138 converts the output from the photometric sensor to a voltage
To the CPU 120. In the CPU 120,
Exposure calculation, backlight determination, and the like are performed based on the voltage information. The measurement of the temperature inside the camera is performed by the IFIC 138.
A voltage proportional to the absolute temperature is output by the built-in circuit.
The signal is subjected to A / D conversion by CPU 120.
And get the value with The state of the obtained temperature measurement value changes with temperature.
It is used for correcting mechanical members and electrical signals. Photoy
Waveform shaping such as interrupter, photo interrupter,
Or the photocurrent of the output of a photoreflector, etc.
And outputs it from the IFIC 138 as a rectangular wave. this
When the reference current has hysteresis,
Noise removal is performed. Also, communication with the CPU 120 is performed.
Changes the reference current and hysteresis characteristics.
Can be [0153] Checking the remaining battery level is as follows.
Connect a low resistance to both ends of the
Divides the voltage between both ends of the
120, and A / D conversion is performed by the CPU 120.
Voltage value. The infrared light remote control
Modulated by the light emitting LED 141 of the credit unit 140
Infrared light is emitted, and the infrared light is
The light is received by the photodiode 142. Silicon photo die
The output of the ode 142 is waveform shaped inside the IFIC138
Is performed and transferred to CPU 120. The low voltage monitoring of the power supply voltage is performed by the IFIC 138.
A dedicated terminal is provided, and the voltage input here is regulated.
When it falls below the fixed value, a reset signal is sent from IFIC138.
Is output to the CPU 120, and the CPU 120
It is prevented. When controlling the booster circuit, the power supply voltage is
Activate the booster circuit when it drops below the value
It is. Also, if the AF distance measurement is completed,
LED 143 for display in the viewfinder for warning of robo emission, etc.
Or LED used for photo interrupter etc.
It is connected. The ON / OFF and emission light of these LEDs
The amount is controlled by CPU 120 and EEPROM 135, I
Communication between FICs 138, IFIC 138 directly
Control. What is controlled is the LED power of the SCPI147.
Current Sig131, LED current Sig1 of LDPI148
32, ZMPR172 LED current Sig133, ZM
LED current Sig134 of PI173, AVPI152
LED current Sig135, WPR178 LED current
Sig146 and LED 143 for display in viewfinder
On and off. In the constant voltage drive control of the motor, the CPU
The drive voltage can be set stepwise by communication with the
Can be. Motor driver IC 139 feeds film
Charge the shutter and drive the mirror
In FIG. 8, a motor 144 (hereinafter referred to as another motor) corresponding to the motor 14 is shown.
(Sequence motors are used to distinguish them from motors.)
A lens driving LD motor 145 for focusing adjustment;
Three motors of ZM motor 146 for zooming the lens frame
And self-timer operation table
Of the display LED 171 and the focal plane
Front curtain magnet (MGF) that holds the front curtain of the
176, Hold the rear curtain of the focal plane shutter by suction
Controls the rear curtain magnet (MGS) 177
It has become. These operation controls, for example, which device
Drive the motor, rotate the motor forward or reverse,
To apply a brake, etc.
38, the IFIC 138 receives the motor driver 139
A signal Sig118 for turning on / off each transistor is used.
Control. Sequence motor 144
Charge, film winding, film rewinding
Is there a SCPI1 which is a photo interrupter for detection?
47, and the signal Sig119 is sent to the CPU 120.
Is output. The amount of lens extension is controlled by the LD motor 145.
Detected by the attached photo interrupter LDPI148
The output Sig120 is shaped by IFIC138.
After that, it is sent to the CPU 120. Mirror frame zooming
The state is the photo interrupter ZMPI1 built in the mirror frame
73 and Photoreflector ZMPR172
You. When the mirror frame is between TELE and WIDE, the mirror frame
So that the high reflection part provided on the
And the low-reflection part faces in the other range
It is configured as follows. As a result, the output Sig1 of ZMPR172 is output.
21 to the CPU 120, the TELE end, W
The IDE end can be detected. ZMPI173 is a ZM
It is attached to the motor 146 and its output Sig 122
Input to CPU 120 after waveform shaping by IFIC138
Forced zooming from TELE or WIDE end
The amount is detected. The motor driver IC 150 is provided with an aperture adjustment unit.
Stepper motor for knit drive, AV motor 151
Is the on / off signal (ENA) Sig from the CPU 120.
136 and forward / reverse signal (IN) Sig123
Drive. AVPI 152 is
Output Sig124 is shaped by IFIC138 to CP
Input to U120 to detect aperture open position
It has become. The liquid crystal display panel 136 is
The segment signal (SEG) Sig125 sent from
Film signal by Mon signal (COM) Sig126
Number, shooting mode, flash mode, aperture value, battery level, etc.
Is displayed. The strobe unit 179 is used for shooting or
Brightness of subject was insufficient during autofocus distance measurement
Sometimes, the arc tube emits light to give the required brightness to the subject.
For the IFIC
138 strobe charging signal (STCHG) Sig12
7, strobe light emission start signal (STON) Sig128,
Signal (STOFF) Sig1 for stopping strobe light emission
29 is controlled by each signal. Also,
The charging voltage of the strobe is C as VST signal Sig130.
The data is sent to the PU 120. The WPR 178 detects the film feed amount.
Photoreflector. This WPR178
Is positioned to face the film perforation
Have been. In the film and perforation part
The output of the WPR 178 is
Different when corresponding to each. When feeding the film
WP178 alternates between film surface and perforation
The output Sig147 of WPR178 is
The film is counted and the number of films is counted.
It is possible to detect the movement amount of the mouse. Key signals 0 to 5 (KEY0 to KEY5) S
ig 137 to sig 142 and key commons 0 to 2 (K
EYCOM0 to 2) Sig143 to Sig145 are
Which of the switches 121 to 133 is turned on
It is used to detect whether The above KEY0 to KEY5 are usually
20 because it is pulled up inside
It is in the “H” state. Here, for example, KEYCOM0Si
g143 is “L” and KEYCOM1Sig144 is
“H”, KEYCOMSig 145 is assumed to be “H”
You. At this point, if R1SW121 is turned on, KEY0
Sig 137 changes from “H” to “L”. Accordingly
Of KEYCOM0-2Sig143-Sig145
Signal level, KEY0-5Sig137-Sig142
Switch 121 to switch 1
To know which of 33 are on
Wear. In addition, KEYCOM0 to 2Sig143 to Sig
145 cannot be set to "L" two or more at the same time. First release switch (R1SW)
121 is off when the release button is half-pressed.
To perform the distance measurement operation. Second release switch
H (R2SW) 122, the release button is fully pressed
Turns on when the camera is in the state, and takes a picture based on various measured values
Is performed. Zoom up switch (ZUSW) 12
3 and zoom down switch (ZDSW) 124 are mirrors
ZUSW123 is turned on by a switch for zooming the frame.
When the ZDSW124 is turned on, it is short in the long focal direction.
Zoom in the focus direction. The self switch (SELFSW) 125
When turned on, self-timer shooting mode or remote
The computer enters the standby state. In this state, the R2SW12
2 is turned on, self-timer shooting is performed,
If you perform the shooting operation with the remote controller, you can shoot with the remote control
Perform Spot switch (SPOTSW) 126
When turned on, metering is performed only at the center of the shooting screen
The spot metering mode is set. Note that SPOTSW126
Normal photometry when is off is performed using the entire shooting screen. Pict 1 switch (PCT1SW) 127
~ Pict 4SW (PCT4SW) 130 and program
Mode switch (PSW) 131 is for program shooting mode.
Use the changeover switch to select the mode according to the shooting conditions.
Make a selection. When PCT1SW127 is turned on, the port
In rate mode, the depth of field is shallow within the proper exposure range.
Aperture and shutter speed
You. When PCT2SW128 is turned on, the night view mode is set.
Setting is one step below the value of the proper exposure for normal shooting.
Set. When PCT3SW129 is turned on, landscape mode
And the depth of field is as deep as possible within the proper exposure range.
Determine the aperture and shutter speed values
You. When PCT4SW130 is turned on,
Motion mode and shutter speed
It is set to be as fast as possible. Also, at this time
The red eye prevention mode of the Trobo mode cannot be used. The above PCT1SW127 to PCT4SW
130 cannot select more than one at the same time. The PSW 131 operates in a normal program shooting mode.
Switch. By pressing this PSW 131,
Reset and reset PCT1SW127 to PCT4SW130
And reset the AV priority program mode described later.
Now. Turn on the AV priority switch (AVSW) 133
Then, the shooting mode becomes the aperture priority program mode. This
In this mode, the AV value is determined by the photographer, and is adjusted to the AV value.
And decide the shutter speed by the program. This model
PCT2SW128 and PCT4SW13
0 is a switch for setting the AV value because the above function is lost.
You. PCT2SW128 is a switch to increase AV value
PCT4SW130 is a switch for reducing the AV value.
It becomes a switch. The strobe switch (STSW) 132 is
Normally the flash mode is switched by the flash mode switch.
Mode (AUTO), automatic red-eye reduction flash mode (AUTO)
-S), forced flash mode (FILL-IN), strobe
This is a switch for switching the off mode. The power switch (PWSW) 153
This is the main switch of the camera. The panorama switch (PANSW) 154
To detect whether the shooting status is panorama shooting or normal shooting
The switch turns on during panorama shooting. The back cover switch (BKSW) 155 is
This is a switch for detecting the status, with the back cover closed.
State is turned off. BKSW155 goes from on to off
When the state changes, film loading starts. Shutter charge switch (SCSW)
156 is a switch for detecting shutter charge
It is. Mirror up switch (MUSW) 157
Is a switch for detecting mirror up
Turns on. The DX switch (DXSW) 158 is filled.
D indicating the sensitivity of the film printed on the patrone
To read the X code and check for film loading
This switch is used to detect five switches (not shown).
It is composed of a group of switches. Pop-up switch (PUPSW) 15
9 is a switch for controlling the strobe. PUPSW1
59 is linked to the movement of the strobe light emitting unit,
In the raised state, the PUPSW 159 is turned on, and
Charge the flash. Also, if the subject is
Normal flash mode (AUTO) or red-eye mode
When the automatic reduction mode (AUTO-S) is set
Enable flash emission if PUPSW159 is on
You. The rewind switch (RWMSW) 160 is
A switch for forcibly rewinding the film. R
WMSW160 turns on and forcibly rewinds the film.
U. XSW174 is the timing of strobe light emission.
The first curtain of the shutter finishes running with a switch to take
On when the shutter charge completes and off when the shutter charge is complete.
Become. The piezoelectric buzzer (PCV) 175 is an auto phone.
Makes a sound when focusing and when operating the switch
You. Next, the clutch used in this embodiment will be described.
The detection method of the part will be described with reference to FIGS.
I will tell. As described above, the clutch section has a plurality of clutches.
To lock it because it is composed of
The problem is the relationship between the clutch lever and the clutch cam.
In other words, from the motor rotation in the clutch switching direction,
Switching to the motor rotation direction on the drive side
Determines whether power is transmitted to the drivetrain reliably and instantaneously.
Need to be specified. Therefore, in this embodiment, the following method
Thereby, the position of the clutch cam can be detected. In FIG. 43, the deployment of the clutch cam is described.
Although the figure was explained, the locking surface at the shutter / mirror drive position
The lift amount differs from h2 and h1 on the hoisting and rewinding locking surfaces.
Become. That is, the shutter / mirror drive position is locked.
If the clutch cam is rotating in the switching direction
From the moment when the lift h2 drops from the top dead center,
It is until it goes over the next top dead center and goes down. I
Therefore, during the rotation of the clutch cam, the h2
Because there is only one place, the cam surface
Or, by detecting the state of the lever, the absolute position
It becomes possible to grasp. In this embodiment, it is in contact with the cam
Absolute position detection by a method that detects the position of the clutch lever
The method for performing the above will be described in detail below. FIG. 38 shows the clutch cam and the clutch lever.
This shows the relationship between the bars, with the lever moving in the direction of the arrow.
It has been energized. Differences from the conceptual diagram described with reference to FIG.
Indicates that the detection unit (upper side in the figure) is integrally formed.
You. The sensor monitoring position (SE point) indicated by the arrow
It is the only photoelectric sensor detection point in the latch,
In the present embodiment, a photo interrupter (hereinafter, SCPI) is used.
This is a place where the state of the clutch lever 47 can be detected. FIG. 44 shows the above-mentioned SCPI and clutchless.
FIG. 5 is an enlarged perspective view of a main part showing a relationship of a bar 47. Now, FIG. 38 shows the position of the shutter / mirror.
2 shows a state where the device is locked. Ie clutch
The lever 47 is displaced from the outermost periphery of the clutch cam 42 by h2.
It is in the position where it went. At the SE point, the clutch lever 47
The Xd part in the middle corresponds, but here is the Xd part
FIG. 42 shows a cross section CC ′ to explain
You. The thickness of the detection portion is L, but now the SE point
The thickness of the Xd portion corresponding to the above is L1. And figure
At 38, the clutch lever 47 is moved to the clutch cam 42.
It is clear that the lift corresponding to the SE point
The exit surface moves to Xe and then to Xf. The Xe part is meat
It has a thickness L2, and a hole is drilled in the Xf part.
Nothing blocks the photointerrupter. here
In the clutch lever 47, the locking part and the detecting part are molded integrally.
It is a molded member. The above-mentioned photo interrupter SCPI emits light.
Because it receives infrared light,
Even if the clutch lever 47 has different thicknesses Xd and X
Different outputs can be obtained if the transmittance of the portion e is different. Concrete
Specifically, in the present embodiment, the transmittance of the Xd portion is substantially zero, and the transmittance of the Xe portion is almost zero.
Is set to about 25%, and the Xf part is set to 100% because of holes.
You. Therefore, the thickness of the clutch lever 47 is L1: 0.
7 mm, L2: 0.2 mm, and total width: L
From the spacing of the photo interrupter SCPI package
It is set to 0.8 mm. The crack for the switch section of the above SCPI
In order to clarify the positional relationship of the chiller 47, FIG.
FIG. 2 shows a perspective view of the switch lever and the SCPI. In addition, SCPI
The signal is guided to the detection unit by a flexible substrate (not shown).
ing. With these configurations, SCPI can
The maximum lift of the chiller 47, h1 down, h2 down
You can always grasp the three states of
The material of the clutch lever must be molded
However, the characteristics of the simple substance is about 0.7 mm plate
Needless to say, the color is almost completely shaded
Absent. Further, in the present embodiment, a thickness of 0.2 mm
5% transmission material is used, but wall thickness is limited to this
It is not a thing that was changed
Is no problem. By the way, h2 is down during the entire circumference of the cam.
Absolute position detection is possible because there is only one range
However, the clutch cam 42 at the time of switching is next described.
The behavior of the clutch lever 47 is shown in FIGS.
Will be described in detail. FIG. 38 shows a state in which the shutter / mirror position is locked.
, Ie, the normal standby position.
Now, considering the actual shooting operation, this camera
The drive system is driven in the order of winding and shutter charge. Therefore, after the exposure is completed,
Switch immediately (including mirror down)
Power must be transmitted to the hoisting drive system. Fig. 38
The motor starts reverse rotation after the mirror down ends
You. Here, the reverse rotation means the rotation in the clutch switching direction.
Therefore, the clutch cam 42 is disengaged from the locking surface,
Turn clockwise. This is the state shown in FIG. 39, in which the clutch lever
-Is lifted against the spring bias. The lift is over
FIG. 39 shows the state in which the rotation has progressed to the top dead center of the cam.
At the sensor surface, ie, the SE point,
The Xf part corresponding to. Now, the output level of the sensor in this state is set to H
high (hereinafter H level). Also, corresponding to FIG.
The output level of the light-shielding portion is set to Low (hereinafter, L level).
You. Further, the output level corresponding to the intermediate Xe part is set to Mi.
d (hereinafter M level). However, the output here is S
Of the waveforms output from the CPI alone,
In other words, do not include the value that is output momentarily during switching.
Think about it. Therefore, the clutch lever 47 is switched.
For example, when moving from Xd to Xf during the
Output is obtained, but in this explanation
Parts are omitted for convenience. After the state shown in FIG. 39, the motor further rotates.
To continue, the cam continues to rotate clockwise until the top dead center
At that point, h1 goes down. This allows the
The chilever 47 also rotates following the clutch cam 42, and S
The detection unit corresponding to the point E is the Xe unit. This Xe part is
And the motor stops. That is, in the mechanical drive direction
The rotation of the motor drives the hoisting system.
Guaranteed by the department. FIG. 40 shows the state at the moment when the motor stops.
Is shown. The brake was applied by the M level judgment.
The motor also slightly overruns, so in this state
The latching surface of the latch cam 42 comes into contact with the clutch lever 47.
Not. In this camera, exposure to winding is a series of operations
Therefore, the state in FIG. 40 is momentary, and the motor rotates in the drive direction.
It switches to a roll. Then, the clutch cam 42 is locked,
FIG. 41 shows a state where the hoisting system is driven. As described above, winding from the shutter / mirror system
Switching to the upper system has been described. Here, the Xe part is detected.
In order to obtain the output, the M level was determined.
There are two M-level output ranges as features
Therefore, absolute position cannot be detected. Actually
Includes the level judgment and the level count (the number of M
Level). Initial position for this camera
The first M level is the upper part of the volume and the second M level is the upper part
By judging that it is a return part, it is equivalent in level 2
Judgment has been made. Therefore, during the shooting
If you want to rewind to the initial position (shutter
The clutch rotated from the mirror position) passes through the hoisting system,
Any state by stopping at the second M level judgment
It is also possible to rewind from any location. Next, before describing the overall operation, FIG.
During a series of shooting operations, refer to the timing chart shown.
The above clutch mechanism will be described. Incidentally, in this embodiment,
The camera to which the locking mechanism is applied zooms into the lens frame unit
Built-in mechanism and auto-focus mechanism was stated
However, in the timing chart, directly with the power system of the camera body
Irrelevant behavior of these actuators is omitted.
You. This camera has a two-stage stroke release
1st. Distance measurement and lens extension with release
And so on. This operation is performed at timings: T01 and T02.
This is performed in-between and usually alerts you if focus evaluation is not available.
A notification or the like is issued and the operation does not shift to the operation after T02. On T02
2nd. When the release is permitted, the motor will be CW first
Voltage is applied in the direction. CW direction is the same as the conceptual diagram
In a rotational direction that can drive any of the power systems.
You. The initial position of the clutch unit is the shutter / mirror.
The motor rotation from T02 is SM
That is transmitted to the gear 58 and is integral with the cam gear.
-Charge cam 58b (charge cam) and mirror drive
The cam portion 58a (mirror cam) changes. T
At the moment when the motor is turned on in 02, the camera shuts down.
Standby with battery charging completed
In order to detect the phase of the SM cam gear 58,
A timing gear 59 meshing with the gear 58;
Of the two switches formed by the timing board 60
The state changes as follows. First, at T02, the timing SW channel
(Hereinafter referred to as SCSW) is ON, timing SW mirror
(Hereinafter referred to as MUSW) is off. SM cam gear 58
Rotates and the charge cam moves down to the bottom dead center (T0
4). Here, the SCSW ensures that the cam is at top dead center
Because it is a SW that determines that
Turn off at T03 before down begins
Transition. Mirror cam is almost the same as charge cam down
Sometimes start the lift. Miller keeps rising at T05
Reach top dead center. In other words, at this point, the mirror is
Can be retracted and exposure can be performed. Real mirror
MUSW turns on immediately after T05 when the ascent is completed
(T06) Then, the end of the mirror driving can be determined. T0
Upon receiving 6, the motor stops. Is the motor actually fast?
In order to stop accurately, at the time of stop, reverse brake
And a combination of short brake
However, here the motor is slightly overrun after T06
Think of it as stopped. Of course, with this overrun
Is sufficiently narrow for the top dead center range of the mirror cam.
You. Exposure is performed when the motor stops. In the timing chart, T07 is a mirror
Exposure is T06
It has been completed between T07 and T07, but here
Is omitted. However, it is absorbed by the shutter
The timing of turning off the front curtain and rear curtain magnets
The method of controlling the required exposure time by controlling
It is no different from the method of knowledge. Well, the exposure is over
Then, T07 at which the mirror down operation starts is
It is the same as the power system driven at the time of mirror up
Since the SM cam gear is rotated, the motor is C
What is necessary is to perform W rotation. When the cam starts to rotate, MUSW switches to T22.
Off. MUSW ensures mirror up state
T05 at the top dead center of the mirror cam
The range from T06 to T22 is included in the range from
It is configured as follows. Mirror cam descends from T23
And return to the normal 45 ° down position at T09
You. Here, in the present embodiment, the number of sensors is minimized.
In order to suppress, the timing of mirror down completion is detected
Not in. Therefore, a constant timer is used for control from T22.
Start and stop the motor at T08 at the set time.
And the mirror is down. The timing of T08 is slightly before T09.
Is set, but the motor
In the stopped state, make sure that the T09 state is secured.
Ma is set. [0211] As described above, the release to the mirror are performed.
A series of operations of up, exposure, and mirror down has been completed. In this embodiment, winding is performed next.
You. Since the winding system has a different drive system, clutch switching is required.
It becomes important. T10 is the start of clutch switching, and
The CCW rotation starts. This allows you to use
The clutch cam 42, which has been locked at the
It turns to. The clutch lever 47 is also attached to the cam 42.
It will be more lifted, but at the start timing of T10
Because the shutter mirror system was locked,
The output of the latch photo interrupter is low. Mo
When the clutch lever 47 is lifted by the rotation of the
The output of the photo interrupter passes from L level to M level.
It goes to the H level. The fall after this H level range
Timing means transition to the next locking surface
Become. Since the output level of the winding system is M level
The clutch lever 47 that follows the cam down is at T11
The M level is output from the photo interrupter. to this
The motor stops, but there is a slight overrun
Therefore, the clutch cam 42 is slightly rotated to the rewind side,
The clutch lever 47 is not in contact with the stop surface. T11
Thereafter, at T12, the motor starts CW rotation. This C
In the W rotation, first, the clutch cam 42 is brought into contact with the locking surface of the winding.
Then, the rotation is performed to drive the hoisting system. That is, the spool is wound in the winding direction from T13.
Start rotation. In this embodiment, the film feed amount is detected.
For output (feed detection), use a photo reflector (feed PR).
To directly control the perforation of the film.
Uses a method of counting. Therefore, one frame
-Following, that is, the output of 8 pulses
Output from the photo reflector. The first park from T12
Lus is T14, and the rise of the photoreflector output sequentially
Count the bite. Determines the 8th pulse at T15
Then, the motor stops immediately. Note that the stopping accuracy of the film is actually stable.
Before driving the 8th pulse,
The expression is controlled, but details are omitted here. 1 frame
Preparation for the next shooting is completed on the film side by winding up minutes
did. Finally, the shutter is charged and a series of
Complete the operation. First, at T16, the motor returns to CC
Perform W rotation. This time, from the winding up to the shutter Mira
-Switching operation to the system. The output of the SCPI as in the case described above
The stop timing is determined by
When the clutch rotates from
The level is output. Of course, here the motor is turned CW times
If it is turned over, the film will be rewound. Therefore,
The fixed portion passes through the M level and makes the CW rotation continuous.
As a result, the clutch lever performs the second lift.
At T18, L level is output from SCPI
Let it. However, the clutch cam 42 is overrun.
Yes, because it only pivots to the upper side
Absent. The motor starts CW rotation from T19.
You. By this rotation, the clutch cam 42 is moved to the shutter
Hit the mirror position and rotate the SM cam gear 58
You. The SM cam gear 58 is operated by a mirror before winding.
The cam has been turned down and the cam is
To the storage area. Shutter by charge cam
Is charged and at the timing of its top dead center T20,
Jatter charge is completed. [0219] The completion of charging the shutter is determined by
Because it is a charge SW, the SW is slightly slower than T20
At T21, it is turned on. Motor that receives this judgment
Stops immediately. Of course, the overrun amount in this case
Is sufficiently narrow SCS for the top dead center range of the charge cam
It is configured to be sufficiently narrow even for the ON range of W.
You. Preparation for the next photographing by the above sequence
Has been completed, and the normal shooting sequence has been completed. By the way, in the timing chart of FIG.
Direct output of CPI from low level to high level
Principle of detecting the absolute position by using the change between
Was explained. However, the output of the SCPI is actually processed.
The determination is made by the CPU via a circuit or the like. Below is the circuit structure
The details will be described. FIG. 47 shows a position detector in the camera.
FIG. 2 is an electric circuit diagram showing a configuration of a structural electric circuit. In FIG. 47, reference numeral 191 denotes a clutch lever,
Reference numeral 192 denotes a photo interrupter SCPI for detection, reference numeral
194 is an LED built in the photo interrupter 192
Switch the current flowing through the LED 195 to reduce the brightness of the LED 195.
193 is a phototransistor.
A resistor for converting the photocurrent of the
You. Next, the position detecting method will be described. As described with reference to FIGS. 38 to 41,
Then, when the motor performs the switching operation, the clutch lever 4
7 moves. At this time, the moving portion of the clutch lever 47
Is detected by the concave-shaped detector of the photointerrupter 192.
Move. At this time, the movement of the clutch lever 47
The Xd, Xe and Xf parts shown in FIG.
Will be. Xd, Xe, X of the clutch lever 47
Since the portions f have different transmittances, the transmittance
A corresponding output signal is obtained. That is, as shown in FIG.
Above the light shielding portion Xd of the clutch lever 47.
If the Interrupta 192 (SCPI) is compatible,
The level of the output signal becomes V1. The semi-transmissive portion Xe of the clutch lever 47
The photo interrupter 192 (SCPI)
The output signal level is V2,
The photo interrupt is provided on the entire transmission portion Xf of the switch lever 47.
192 (SCPI), the output signal
The level becomes V3. By the way, in this embodiment, the clutch
The movement of the bar 47 is determined by the photointerrupter 192 (SCP).
Which part of the clutch lever 47 corresponds to I)
To explain, Xd → Xf → Xe → Xf → Xe → Xd is 1
It works as a cycle. Therefore, the clutch lever 47
FIG. 49 shows the output signal waveform when
It has a waveform like that. Here, when the initial position is detected, L
Adjust the current flowing through ED195 to an appropriate value
Then, the waveform of the output signal as shown in FIG. 50 is obtained. This
Falls from the output level V'3 to V'1 at the point
By detecting the barbed portion, the clutch lever 47 is detected.
At the initial position. Next, when detecting states 2 and 3,
The LED current is adjusted again, and the output as shown in FIG.
A force signal waveform is obtained. V3 of this signal waveform
 By counting the fall from "" to V2 "
Thus, the position of the clutch lever can be detected. As described above, the locking mechanism of this embodiment and the
Details of the camera structure and position detection mechanism to which the embodiment is applied
As described above, next, the flowchart of the entire camera will be
I will explain Kens. The flow chart shown in FIG.
Referring to FIG. 45 described above and the circuit block. First, the flow charts shown in FIGS.
Explain the chart. The flow chart shown in FIGS.
The chart shows the main flow. The following is a description in order.
You. [0235] Steps S1 to S38 are power off.
This shows the reset processing. Power at battery insertion
The on-reset operation is performed sequentially from step S1.
You. First, in steps S1 and S2,
The interrupt permission level of the CPU 120 is set. next,
In step S3, interrupt so as not to interrupt by noise.
Is prohibited, and in step S4, the stack
Set the pointer. Next, in step S5, the CPU
Set 120 machine cycles. Next, in steps S7 to S12
Clears the RAM area inside the CPU 120 to “0”
In step S13, input / output of ports and output
Set the state. Next, in step S14, if
Turning on activates the interface IC 138. Ma
In addition, in step S15, each read by the adjuster
CPU 120 so that processing according to the version can be performed.
Is set in the RAM. In steps S16 and S17, L
Initialize the port for the CD 136, and execute step S1.
At 8, it is determined whether an adjuster (not shown) is connected,
If connected, a communication process with the adjuster is performed in step S19.
Do the work. At steps S20 to S23, the operation
The operation SW state is read, and in step S24,
A communication check with the EEPROM 135 is performed, and data is
If abnormal, lock the camera operation. And
In step S25, the data in the EEPROM 135 is
In step S26, the data is read and expanded in the RAM
Then, the temperature is measured. At steps S27 and S28,
It is determined whether the flash light emitting unit 174 is in the up position, and
When the flash light emitting unit 174 is raised, the flag F_ST
CHRG is set to "1" to request strobe charging. Ma
In steps S29 to S32, the power SW
When (PWSW) 153 is turned on, the power-on state
Set the status. Flags F_TSYS1, F_TSY
The meaning of S0 is as shown in Table 1 shown in FIG. When the camera is in the power off state,
The flag F_TSYS1 and 0 are both 00 and the camera LCD table
The indicator disappears, and during low power consumption, the values are 0 and 1, respectively.
LCD display when the device is ready to receive remote control signals
1, 0 during normal LCD display and 1, 1 during normal LCD display, respectively.
Become. At steps S33 and S34,
F_BK when the back cover is open from the open / closed state of the cover
The OPN flag is set to “1”, and in step S35, the mechanical
Initial processing (flow shown in FIGS. 133 to 137)
The battery was removed while the camera was operating mechanically.
The abnormal state is returned to the normal state once in case of emergency. In step S36, the camera flash
Return the mode to the initial state. Auto strobe (AUTO),
When in the red-eye reduction flash mode (AUTO-S),
Leave the Robo mode as it is,
Sometimes, all are set to auto strobe mode (AUTO).
You. At step S38, the LCD display time is set.
Perform settings. After step S39, the battery is inserted.
The main sequence while you are. Steps S39 to S87 are the same as those described above.
9 shows a transition process of the CPU 120. In the step S39, if the power is off,
If so, the process jumps to step S81 to execute the power-off process.
Do. If the power is on, L is set in step S40.
Determines whether the CD display is lit, and turns off the LCD display.
If there is, jump to step S57.
In step S41, the currently displayed port is set. At step S42, data for LCD display is displayed.
Data is set, and in step S43, step S42
The display of the LCD 136 is displayed based on the data set in
Do. In step S44, the back cover switch (B
KSW) 155 if it is open or closed, or step S48.
Jump to In step S45, interrupts are once prohibited, and
In step S46, interrupt enable / disable during LCD display
Set the level. In addition, in step S47,
At step S48, and during strobe charging,
Go to step S88, step S49, step S50
Indicates that the remote control is in standby and the remote control
In step S51, the CPU 120 sets the SLE to S88.
To be able to get up with the operation switch during EP,
Connect the ports on the mon side (Sig143 to Sig145)
"L" level is output. Whether interrupt is once prohibited in step S52
Then, in step S53, the SLE of the CPU 120 with the back cover opened.
Set the interrupt enable / disable level during EP, and
In step S54, an interrupt is permitted. And step S
In 55, care for the film cartridge while the back cover is open
When the static electricity, through the DX contact piece 158 (DXSW),
SLEEP to prevent CPU 120 from running away
State. In step S56, in step S51
“L” level key reading common port (Si
g143 to Sig145) are returned to the “H” level output.
In step S58, the LCD display is turned off, and the
In step S59, the port of the CPU 120 is set to SLEEP
Set for low power consumption. Next, in step S60,
The interrupt branch is prohibited, and in step S61, the display is off.
Set the interrupt enable / disable level of In the step S62, the CPU 120 is turned off.
Slow down machine cycles to save power. And
In the step S63, the CPU 120 is set to the SLEEP state.
Then, in a step S65, the machine cycle of the CPU 120 is performed.
To the highest speed. Next, in step S66, SLE
When rising from EP is power SW 153
In step S67, the back cover SW155 (BKSW)
And in step S68, the rewind button 160
(RWMSW) and the switch 121 on the key matrix
If it is ~ 133, the process jumps to step S70. In the step S69, the timer for counting time is used.
If yes, go to step S87; otherwise, go to step S87.
Jump to S88. In step S70, the module
The switching prohibition flag of the code display is set to "1". And
In step S71, the display time is updated by operating the button.
Is set to "1", and step S7
In step 2, a port is set. In the step S73, the interface i
c138 is activated, and in step S75, the display data
Set the data. In step S76, LC
D display is turned on, and in steps S78-79,
When the flash unit 174 is in the pop-up state, charging is required.
Request. At step S81, the LCD display is turned off.
I do. In step S82, the port setting is changed to the power-off state.
State. In step S83, the interrupt branch is prohibited.
In step S84, the interrupt level in the power-off state is
Set permission / prohibition. In step S85, the CPU
120 is set to the STOP state. In step S87, C
PU120 got up from SLEEP, STOP
Is set to "1". At steps S88 to S93, the
Judge whether switch SWs have been operated and operate
, Set the operated flag to “0” and display on LCD
Update the timer for Further, the self-touch
In the immer mode, while the remote control is waiting, the
Interface ic138 to remote control reception mode
Then, in step S96, the remote control circuit is turned on. In step S97, if the adjuster is connected
If so, communication with the adjuster is performed in step S98. Step
In step S99, the display timer is counted.
When the counter overflows in step S100
Go to step S101, otherwise go to step S11
Jump to 3. In the step S101, the LCD display is off.
If the counter overflows (about 4 hours), CP
Step S110 so as to bring U120 into the STOP state.
At F_PWR on flag, F_TS at step S111
YS0, all F_TSYS1 flags in step S112
To “0”. At step S102, the remote controller
Unta overflow (about 18 minutes) or step
In step S103, the counter is turned on when the remote control is not in standby.
LCD display time when bar flow (about 30 seconds)
LCD display is turned off in step S106.
Set the timer for the middle timer count and step
Display is off in S107 and step S108
F_TSYS1 is set to “0” as shown in FIG.
S0 is set to "1". In step S109, the self mode is released.
Flag F-MODDSLF to “0”
Jump to step S39. In step S113, the change and state of the key
, Power SW 153 (PWSW), panorama S
W154 (PANSW), back cover SW155 (BKS)
W), pop-up SW159 (PUPSW), rewind
SW160 (RWMSW) is detected. Step S11
In step 4, if the button is not pressed, the process proceeds to step S217.
Jump. In steps S115 to S132,
Describes the processing when the rewind button RWMSW160 is pressed.
It is shown. At steps S115 and S116
If the rewind button 160 has not been pressed, step S
Jump to 133. Step S117, Step S
In step 118, if rewinding has already been completed,
Jump to step S133. F_CNTT0,1 are
156. The flag indicating the status of LUM.
You. Here, Table 2 will be described. The camera was loaded with patrone and the back cover was closed.
Automatically feeds film automatically when
If the system is not wound up, it will be regarded as an auto load failure.
Both F_CNTT0,1 become "0". When the film is correctly wound and ready for shooting
, The auto load is completed, F_CNTT0 is “1”,
_CNTT1 becomes "0". For each shutter release
Indicates that the film is to be wound one frame at a time. One-piece winding
When the film end is detected during rewinding
To rewind. F_CNTT0 is “0”, F_
CNDTI becomes "1". All film during rewind
When it detects that it has caught in the patrone,
And complete. F_CNTT0 is “1”, F_CNTT
1 becomes "1". At step S120, the flag operated by the button is
To "1". In step S121, the case of opening the back cover
If no rewind, jump to step S133
I do. In step S122, when the mechanical drive is performed,
Perform initial settings. Disable interrupt branch, set port
Settings, strobe charge interruption, battery check, DC
/ DC is on. In step S123, the clutch
The initial position is determined. In step S124, the
Switch to the rewind position. At steps S125 and S126
Sets F-CNTT0,1 during rewind. S
In step S127, F-CNTT0,1 is subjected to EEPRO
It is stored in M135. In step S128, the motor
Drive and rewind the film. In step S129, the winding
The rewind result is the subroutine of step S128 rewind.
F-CNTT0,1 is set in the
The result is stored in the EEPROM. At step S130, during power-off,
Because it is torso, the mirror is carelessly up and down and the mirror frame
Jump to step S133 to avoid collision
You. In step S131, the sequence is performed during power-on.
Move the clutch to the mirror position (that is, the initial position)
In step S132, the shutter charge operation is performed.
To move the clutch lever to the clutch cam lock position.
Move and stop (from the state of FIG. 18 to the state of FIG. 19). Steps S133 to S164 are performed in
The processing of the back cover SW155 (BKSW) is shown. [0270] In step S133, the back cover SW155 is turned on.
If there is no change, the process jumps to step S165.
If there is a change in the back cover SW155, the process proceeds to step S1.
At 34, the operated flag is set to "1". Step S
At 135, the state of the back cover SW155 (BKSW) is
"1" indicates that the back cover has changed from open to closed
So, jump to step S154 to auto load
Do. If “0”, the back cover has been changed from closed to open
Indicates that the film can be pulled out and wound up
Operation to remove the lock on the drive system
Perform as follows. In step S136, mechanical drive initialization
Perform In step S137, a film state flag is set.
Is set to “0”, and in step S138, the EEPROM
135. Step S139, Step S14
At 0, the back cover open state is stored in the EEPROM 135.
You. In step S150, the back cover open state flag is set to "1".
To At step S151, the sequence crack
Set the switch to the mirror position (initial position)
Remove. In steps S152 and S153, the
During warm-up, the shutter charge is performed and the clutch
Drive to the stop position of the system and stop. Go to step S165
Jump. Do nothing during power off. [0273] In step S154, mechanical drive initialization is performed.
I do. In steps S155 and S156,
Stores the back cover closed state in the EEPROM 135. S
In step S157, the back cover open state flag is set to “0”.
You. In step S158, the clutch is set to the initial position.
In step S159, the sequence clutch is engaged.
Set to the raised position. In step S160, the film is emptied.
To prepare for shooting. Success of empty feeding, result of failure
Is output to F_CNTT0,1. Step 3
In step S161, the data is stored in the EEPROM 135. In step S162, during power-on,
In step S163, the sequence clutch is moved to the mirror position.
To perform shutter charge in step S164.
To the clutch cam lock position. Steps S165 to S172 are steps
4 shows pop-up processing of a flash light emitting unit. In the step S165, the pop-up SW
If there is no change in 159, jump to step S173.
If there is a change, operation is performed in step S166.
Is set to "1". In step S167, the
If the pull-up SW159 (PUPSW) status is "0"
This indicates that the flash unit has been turned up.
Jump to step S170. If "1", str
Since it is indicated that the light emitting portion of the button has been turned down, step S
In step 168, the flash charging request flag is set to “0” to charge the flash.
Prohibit electricity. In step S169, the flash mode is set.
The mode is turned off, and the process jumps to step S173. S
In step S170, the flash charging request flag is set to "1".
To allow charging. In step S171, the
Release the off mode of B mode. In step S172
Releases the spot metering mode, and proceeds to step S173.
Jump. Step S173 to step S206
Shows the processing of power SW153 (PWSW) from off to on
You. In the step S173, the power switch 153 is turned on.
If there is no change in (PWSW), go to step S113.
Jump. In step S174, the power SW 153
When the state of (PWSW) is “1”, the power SW 153
Indicates that is turned on → off, so go to step S207.
Jump. In step S175, initial setting for mechanical drive is performed.
The EEPROM 135 is determined in step S176.
Data check. In the step S177, the EEPROM 13
The contents of No. 5 are expanded in the RAM of the CPU 120. Steps
In S179, the initial position of the clutch is determined. Stay
In step S180, the zoom retracting flag is set to “0”.
Then, in step S181, the data is stored in the EEPROM 135.
You. In step S182, the zoom is driven to the wide position.
I do. In step S183, the number of zoom drive pulses
The value is converted into a zoom encoder value, and the zoom
The aperture value is calculated from the frame encoder value. In step S185, the lens is retracted during collapse.
The lag F-LNSSNK is set to "0", and step S18 is performed.
In step 6, the data is stored in the EEPROM 135. Step S18
In the figure 7, the number of pulses of the lens extended from the optical infinity position is
Ask. In steps S188 and S189,
Drive to position ∞. In step S190, the operation
All of the SWs 121 to 133 are simulated once and read
Initialize the RAM. At step S192, the flash mode is set.
Reset. AUTO except AUTO, AUTO-S
To In steps S193 and S194, A
Initialize the E mode to enter the program mode. Stay
In step S195, the spot metering mode is cleared.
In step S196, the self mode is cleared. S
In step S197, the remote control release flag is cleared.
I do. In step S198, the release lock flag is set.
clear. In steps S200 and S201
Resets the strobe charging time counter. At step S202, the charge voltage monitor
Clear the data for use. In step S203, the power
The on flag is set, and step S204, step
In S205, the LCD display flags F-TSYS0, 1 are set.
Set. In step S206, the display time timer (about
30 seconds), and the process jumps to step S113. [0284] Steps S207 to S216 are as follows.
Shows ON → OFF processing of power SW153 (PWSW)
You. In step S207, initial setting of mechanical drive is performed.
Make a decision. In step S208, when each lens barrel is collapsed
The first and second lens groups interfere with each other.
Lens group from the optical infinity position
To the nearest side. In step S209, the lens is set down.
The torso flag F-LNSSNK is set to “1”, and step S
At 210, it is stored in the EEPROM 135. In step S211, each lens frame is moved to the collapsed position.
(FIG. 1)
You. In step S212, the zoom retract position flag F-
ZMSNK is set to “1”, and in step S213, EE
It is stored in the PROM 135. In step S214, the
The power-on flag is set to “0”, and step S215
In step S216, F-TSYS0,1 are being powered off
And jumps to step S113. Steps S217 to S226 are performed
Battery was removed during return or power SW 153 (PW
SW) off → on or on → off
This shows rewinding resume processing when rewinding is temporarily suspended. At steps S217 and S218,
Will return if F_CNTT0,1 is not in rewind.
Jump to step S227. In step S219
Performs the initial setting of the mechanical drive. In step S220
Performs the initial position setting of the sequence clutch. Stay
In step S221, the sequence clutch is moved to the rewind drive system.
Switch to. In the step S222, the film is rewound.
Perform In step S223, the rewind result F
-Store CNDT0,1 in EEPROM 135. S
If it is determined in step S224 that the power is on, the process proceeds to step S224.
At 225, the sequence clutch is switched to the mirror position,
In step S226, shutter charge is performed, and
Drive the latch cam to the locked position. Steps S227 to S232 are button
Locking camera operation by operation
When unsuccessful feeding, rewinding complete, or power off
This is the process. At step S227, F_TSYS1 is
When it is “0”, the power is off or the LCD display is off.
In step S39, there is no need to go any further.
Jump. In step S228, F_CNTT1
If the value is "1", rewinding is in progress or rewinding is complete.
Jump to step S39,
Construct a loop of In step S229, F_CN
When DT0 and DT1 are both "0" and autoloading has failed
In step S230, the back cover is closed.
At step S231, step S232, DX
Detects the presence of patrone from contact piece 158 (DXSW)
And check for the presence of a patrone. Place with Patrone
If so, the button operation is locked, so jump to step S39
I do. [0292] In step S233, a strobe charge request signal is issued.
If the lag is "1", the flash is charged in step S234.
Perform electricity. In step S235, the switch group
0 (121 to 126) is detected. SW to detect
Release SW 121, 122 (R1SW, R2SW),
Zoom up SW123 (ZUSW), Zoom down S
W124 (ZDSW), Self SW125 (SELFS
W) and a spot SW 126 (SPOTSW). Steps S239 to S252 are 1
In the process when the 26 spot button (SPOTSW) is pressed
is there. At step S239, switch group 0
If there is no change in any of the switches, step S253
Jump to In step S240, the spot SW1
If there is no change in 26, jump to step S253
You. In step S241, the operated flag is set to “1”.
To In step S242, in the night view mode, the
Since the pot mode is not accepted, the process proceeds to step S251.
Jump. In step S243, the strobe pop
Step up because spot mode is not accepted during upload
Jump to S251. When already in spot mode,
Since the pot is released, the process jumps to step S251. At step S245, interrupt branch is prohibited.
I do. In step S246, the flash charging is interrupted.
You. In step S248, the spot mode flag is set.
Set to "1" for spot mode, step S249
Then, set the F_SPLOCK flag to "0" and
In S250, spot measurement is performed with the auto focus sensor.
Light is emitted and the process jumps to step S252. In step S251, the spot mode mode is set.
Set the lag to "0". In step S252, the switch in F
LED 143 indicating the pot mode is set to the spot mode.
On / off. In step S253, the remote control
During release, go to step S264 and step S254.
While the shutter is half-pressed (only the RISW121 is on),
Jump to step S264. Steps S255 to S260 are
This shows processing when the release button 121 is not pressed. In step S255, auto focus is performed.
Initialize flags related to computation. Step S2
At 57, when the completion of the integration of the AFIC 134 is detected,
Read data from AFIC 134 to determine defocus amount
Calculate and calculate the number of lens drive pulses. Step S2
In 59, F-RELEND is after shutter release
It becomes “1” and the 121 release button is after the shutter release
Is also cleared with a flag that detects that the button has been pressed. S
In step S260, F-AECMPL has finished photometry
This is cleared by a flag for detecting that
Jump to 64. In step S264, the shutter
-Check that the release button 121 is still pressed after release.
If it is detected, the process jumps to step S355 and
To rock. [0300] Steps S266 to S281 are measured.
4 shows light treatment. In step S266, the photometry is completed once.
AE (F-AECMPL flag is "1")
Jump to step S282 to lock
Do not meter. In step S267, the interrupt
Prohibit Kiki. In step S268, the flash is being charged
Refuse. In step S271, the DX cord of the cartridge is
And the DX code is converted to the SV value in step S272.
Convert. At step S273, the photometric SPD 17
A split photometry with 0 is performed. In step S274, the measurement
A BV value is calculated from the light A / D value. In step S275
Performs an average photometric operation. In step S276, the evaluation
Performs a photometric calculation. In step S277, the backlight is determined.
Perform In step S278, the BV value and the SV value
The EV value is calculated, and the AV value, TV value,
Calculates the guide number value for flash emission,
Set the light request flag. At step S281, F_AECMPL
Is set to "1" to indicate the end of photometry. Step S282,
The first time of the remote control release in step S283,
When the release 121 is half-pressed in step S284
In the first time, the operated flag is set in step S285.
Set to “1”. Further, step S286 and step S27
In step 8, if there is a light emission request according to the photometry calculation result,
In step S287, a strobe charging voltage check is performed.
As a result, if the flash drive voltage is reached, the flash fires
The enable flag F FLSEN is set to “1”. Step
In step S288, if light emission is possible, the process proceeds to step S290.
If the flash cannot be fired, set the strobe charge request flag.
Set to “1”. At steps S290 and S291,
When there is a request for strobe light and it cannot be fired
Gives priority to strobe charging and activates auto focus operation.
Instead, the process jumps to step S296. Step S29
In step 3, the strobe charging request flag is set to "0",
In step S294, the strobe charge is interrupted and the step
In S295, the auto focus calculation and the lens drive are performed.
Now. Focusing flag F_iNFOCUS flag at the time of focusing
To “1”. When out of focus, out of focus display flag F_A
Set the FNGDSP flag to "1". AFIC134
If the integration is not finished, do nothing
Come back. In step S296, at the time of flash emission,
Or, while the flash is charging and auto focus operation
The in-focus / out-of-focus result is indicated by the LED 14 in the viewfinder.
3 is turned on or blinked to display. Step S2
At 98, when the remote control is released, go to step S300.
In step S299, the release buttons 121 and 122
If not fully pressed, jump to step S355
You. [0307] Steps S300 to S306 are performed in sequence.
This is a process for determining whether or not shutter release is possible.
You. In step S300, F_AFCMPL
Is set to "0", the metering has not been completed.
The process jumps to step S355 without going to Leeds. S
In step S302, it is determined that F_iNFOCUS is “0”.
Since the camera has not been focused yet, jump to step S355.
Pump. In steps S303 and S304,
There is a request for flash firing, and the flash charging voltage
When the pressure is not reached, the release timing is missed
Then, in order to not release, in step S305
Set the release flag to "0". In step S306
Will release the lock until you release the release button
As described above, the F-RELEND flag is set to “1”, and step S
Jump to 355. [0309] In step S307, the shutter release
The LED 143 in the viewfinder is turned off.
In step S308, the interrupt branch is prohibited. Steps
In S309, a battery check is performed. Steps
In step S310, the DC / DC converter is driven, and the
Jump to step S311. Steps S311 to S339 are performed in steps
At the time of a LF timer or remote control release
In the self-time, the shutter is released 12 seconds after focusing.
When using the remote control or remote control, two seconds after focusing
Perform a shutter release. At step S311, the self mode is not set.
If not, the process jumps to step S340. Step S3
In the 12, remote control release time 2 seconds delay time
To make it, the process jumps to step S332. Step
In step S313, X is detected to detect that the power SW is turned off.
Put power SW ON status data in R6 register
You. [0312] In step S314, the rewind SW 160
Rewind SW to the XR5 register to detect ON of
160 off state data is entered. Step S315
Let's turn on the self LED 170 for 10 seconds
Set the data for 10 seconds to the timer to save
The destruction flag F_2Hz is set to “0”. Step S
At 316, a switching flag F-UTY of 10 seconds / 2 seconds is used.
0 is set to “0”. In step S317, FU
When TY0 is "0", self-L
To turn on the ED 170, the process proceeds to step S319.
Pump. When F_UTY0 is "1", it indicates the remaining 2 seconds
Then, the self LED 170 blinks at a cycle of 2 Hz. At step S318, the blinking flag F-
If 2 Hz is "1", in step S319, the self-LE
D170 is turned on, and if "0", step S319b
Then, the self LED 170 is turned off. Step S32
In step S0, the switch 0 group is read, and step S
In step 321, when the self SW 125 is turned on, the self
It is determined that the merging is stopped, and the process jumps to step S338.
You. At step S322, the power SW 153
Is read, and the result of step S323 is the power S
If W153 is off, the process jumps to step S338.
In step S324, reading of the rewind SW 160 is performed.
The rewind button 160 is turned on.
If so, the process jumps to step S338. Step S32
In step 6, one group of switches 127 to 132 is read.
In step S327, if there is no change in any SW
Jumps to step S329 to continue the process. In step S328, the program SW1
If it is determined that 31 (PSW) has been pressed, the processing is interrupted.
Therefore, the process jumps to step S336. Step S32
At 9, monitor the preset timer value, and
When a bar flow occurs, the F_TiMCNT flag is set.
Set to “1”. To generate an additional 2 Hz blinking cycle
, The timer value is read, and every 250 ms, F-2H
A process of inverting the flag of z is performed. At step S330, F_TiMCNT
Is "0", the process jumps to step S317. F_T
If iMCNT is "1", it means timer overflow
This means that the set time has ended. Step S3
31. If F_UTY0 is "0", the end of 10 seconds
End, and then step to perform 2 seconds timing
Jump to S332. If F_UTYD is "1",
Since it means the end of the two-second clock, shutter release
The process jumps to step S334 to shift to the next step. In step S332, the timer value is set to 2 seconds.
Set the data of. The F_2Hz flag is reset to “0”.
Is In step S333, it is determined that the timer is
F_UTY0 is set to “1” to indicate
Jump to step S317. In steps S334 and S335
Is the shutter release button in the self mode.
The shutter release cancels the self mode,
The shutter release using the remote
Perform a process that does not release the password. In step S336,
The self LED 171 is turned off, and in step S337, the camera
Perform the reset processing of the camera. Clear or reset self mode
Release of remote control release, initialization of AE mode, strobe
Initialize the mode and drive the lens to the optical infinite position.
U. [0319] In step S338, the operated flag is set.
The value is set to “1”, and in step S339, the self LED 171 is set.
Is turned off, and the routine jumps to step S345. Step
In step S340, the self LED 171 is turned off. [0320] In step S341, the shutter release
Processing (described with the flowcharts shown in FIGS. 80 to 83).
Akira). At step S342, F_RELEND
Set the flag to “1” and release your finger from the release button once.
To release the lock. In step S343, F_
Set MODSPT to “0” to reset the spot mode.
To In step S344, the operated flag is set.
Set to “1”. In step S345, F_RMC2R
Set the flag to “0” and clear the remote control release flag
I do. In step S352, F_STCHRG
Set the flag to "1". Strobe charge request flag
Set to “1”. In step S353, AFic134
Is reset to start autofocus integration.
In step S354, the display on the LCD 136 or the file
2Hz to make the LED 143 in the display blink.
Set the timer to keep time. At steps S355 to S357
Indicates where in the main loop the remote control signal interrupt
The first flag of the remote control signal
Set to "0" after passing through the loop twice. [0324] Steps S358 to S376 are not performed.
2 shows processing of the game button (ZUSW) and (ZDSW). In step S358, the release 121
Do not accept inputs from zoom buttons 123 and 124 during half-press
Therefore, the process jumps to step S437. Step S3
At step 59, the zoom drive direction flag is set to the tele direction.
Therefore, F-ZMUP is set to “1”. Step S360
Now, if the zoom up button 123 (ZUSW) is pressed
If so, the process jumps to step S363. Step S3
At 61, the zoom drive direction flag is set to the wide direction.
F_ZMUP is set to “0”. Step S3
At 62, the zoom down button 124 (ZDSW) is pressed.
If so, the process proceeds to step S363.
Jump to step S377. At step S363, the operated flag is set.
To “1”. In step S364, the remote control release
During operation (when the F_RMC2R flag is “1”),
Jump to step S437. In step S365,
Initialize the mechanical drive. In step S366,
Zoom drive is performed while the zoom buttons 123 and 124 are pressed.
Now. In step S367, F_AECMPL is
Reset the metering to “0”. In step S368
If F_RELEND is set to “0” and 1R is pressed
Release is prohibited until. In step S370, the zoom pulse is shifted.
To the encoder value. In step S371,
Open FNo. Is calculated. Step S372-Step
In step S375, the aperture priority mode is set in advance.
Aperture value and open FNo. And the open FNo.
Is larger than the set value, the open FNo. Enter
It is. In step S376, light is emitted from the mechanical application position.
Calculate the number of lens drive pulses up to the
Jump to step S437. In the step S377, the switches 121 to
If there is no change in group 0 of step 126, step S38
Jump to 7. Steps S378 to S386 are performed in steps
7 shows the processing of the Wolf switch 125. In step S378, the self SW 125
If there is no change in the state, jump to step S437
You. In step S379, the operated flag is set to “1”.
To In step S380, the camera is already in the self mode.
If there is, jump to step S384. If not
In step S381, F_MODDSLF is set to "1".
To In step S382, the interface
The mode of ic138 is set. In step S383
Is the remote control circuit inside the interface ic138.
Turn on, and jump to step S437. Steps
In S384, the self mode is canceled. Step S3
At 85, the remote control release flag is cleared. Stay
In step S386, the inside of the interface ic138 is
Turn off the remote control circuit and jump to step S437
I do. At step S387, the switch group
127 to 132 are read, and the switch falls.
Is detected. Switch to read is pict switch 12
7 to 130, program SW131 (PSW) and flash
This is a mode switch 132 (STSW). In step S388, the switch group
If there is no change in the state of 127 to 132, step S4
Jump to 21. In step S389, the
Is set to "1". In step S390, the remote
During release, the process jumps to step S403. S
In step S391, the pictogram SW127 does not fall.
If so, the process jumps to step S394. Pict S
If W127 is falling, PC is determined in step S392.
V175 at 2 KHz for 33 msec (see FIG. 140).
Ter). [0334] In step S393, the AE mode is picked up.
Set to the mode of the first step and jump to step S437
You. Steps S394 to S402 are pictograms.
2, PIC mode 3 and Pict 4 AE mode settings. In the step S403, the program SW13
If 1 is pressed, in step S404, PCV175
After the sound generation, the mode is reset in step S405.
AE mode is program mode, strobe is AUTO or
Or AUTO-s mode, self-release, remote control release
Lens release, spot mode release, lens at optical limitless position
I do. Then, the process jumps to step S437. Blog
If the ram SW 131 is not pressed, step S406
Jump to At step S406, the remote control release
During the process, the process jumps to step S437. Remote control release
Otherwise, the process moves to step S407. Step S407
Then, when the flash unit is not popped up,
Jump to step S437. In step S408
Indicates that the flash mode switch 132 is not pressed
Jumps to step S437. [0337] In step S409, the LCD display is turned off.
LCD display is reset with the flash mode switch 132 from the middle.
When opened, the flash mode is not updated.
Jump to step S437. Step S410
In step S412, when the strobe mode is AUTO,
Set the strobe mode to AUTO-S. Step S41
In steps 3 to S415, the strobe mode is set to AUTO-
In the case of S, the flash mode is set to FiLL-iN. S
In steps S416 to S418, the flash mode is set.
When set to FiLL-iN, set the flash mode to AUTO.
I do. In step S419, the flash mode is set to EEPR
It is stored in the OM 135. At step S420, the spot metering mode
Is set to "0", and the routine jumps to step S437. S
In step S421, the falling of the switch group 2 is determined.
To detect. Group 133 is an aperture priority mode switch
(AVSW). In step S422, group 1
If there is no falling edge of 33, jump to step S437
I do. At step S423, the operated flag is set.
To “1”. In step S424, the remote control release
Jump to step S437. Step S4
25, fall of aperture priority mode SW 133 (AVSW)
If no, jump to step S437. S
In step S426, if the mode is not the aperture priority mode, step
Jump to S431. In step S427, the aperture is excellent.
When the LCD display is restarted with the previous mode button (AVSW),
Since the aperture value is not updated, the process proceeds to step S437.
Jump. In step S428, PCV175 is set to 2
The sound is generated at 33 kHz for 33 msec (see FIG. 140).
See). At step S429, the aperture value is increased by 1 EV.
The minimum aperture, for example, FNo. 22 or more
To an open aperture. In step S430, EEPRO
The process jumps to step S437, which is stored in M135.
In step S431, the AE mode is set to the aperture priority mode.
You. In step S432, the PCV 175 is sounded. In steps S433 to S435,
When the aperture value that has been set is equal to the open FNo. If less than
Indicates that the open FNo. Insert Step S4
At 36, it is stored in the EEPROM 135. Next, the flowchart shown in FIGS.
The chart will be described. The flow chart shown in FIGS.
The shutter is released from the mirror up and the shutter is released.
Mirror down, aperture open film winding, shutter
A series of shutter release sequences.
Subroutine. First, in step S500, the result of photometric calculation is set.
If there is no strobe light emission request (F_FLSRQ flag
Is "0"), and the routine jumps to step S508. Also,
In steps S501 and S502, the flash
The mode is not AUTO-S (red-eye reduction mode), or
Stop motion mode (movement
AE mode for fast-moving subjects)
The process jumps to step S504 where no light is emitted. In step S503, red-eye reduction pre-emission is performed.
Is performed, and in step S504, the power is
-Since the SW 153 may be turned off, the power S
If W153 is turned off, jump to step S550
You. [0347] In step S505, is the result of the distance calculation?
Gno. Is calculated. In step S506, the charge
Check whether the charging voltage is a charging voltage that allows light emission. Step
In step S507, the charging voltage and the light emission GNo. Tokara stra
The light emission time of the button is calculated. In step S508, the
Switch the Kens clutch to the mirror position. Step S5
In 09, the printing time of the date module 137 is
It is calculated from the ISO value of the film. In step S510
Is the initial aperture position based on the aperture value and zoom encoder value.
The number of driving pulses of the stepping motor 151 is calculated.
You. In step S511, the first and second curtains of the shutter
Turn on the excitation of the magnet to be attracted and held. Next, steps S512 to S52
Before explaining 0, the F_UT according to Table 3 shown in FIG.
Y3,4 flags, MiRUP and MiRDN subroutine
The relationship between the components will be described. Each subroutine is called F_UTY3,
The processing contents can be switched by the flag of 4. F_UTY3
When the subroutine is set to “1” and CALL is executed,
Perform mirror up or mirror down processing. F_U
Set TY4 flag to "1" and call subroutine
Then, the operation of narrowing down or opening the aperture is performed. To
In this case, both F_UTY3 and F_UTY4 flags
When the subroutine call is set to “1”, each
-While narrowing down while raising or mirror down
Two processes can be performed simultaneously with opening the aperture. At steps S512 and S513, the F-UT
Y3 and Y4 are both set to "1". Next, step S514
If the drive flag is sequentially set to “1”, the mirror
Step S51 is performed in order to separately perform
At 5, F_UTY3 is set to "0". Here, consideration was given to minimizing the image disappearance time.
, Narrow down first, then mirror up.
U. Further, the sequential drive flag is set in the aforementioned step S309.
Set by battery check. That is,
Power supply voltage data written to the EEPROM 135 by the
The battery is checked by the battery
The power supply supplies the energy required to
If supply is not possible, switch aperture and mirror drive separately
This is a flag that gives an instruction to At step S516, F_UTY3,4
Mirror up or narrow down according to the contents of S
In step S517, the sequential drive flag becomes “1”.
If so, narrow down by MiRUUP in step S516
The mirror so that only the mirror is raised.
In step S518, step S519, F_UTY3,4
Is set according to Table 3. In step S520, MiRUP is called.
I do. Next, in step S521, a shutter release is performed.
Perform processing. Next, in step S278, the photometric calculation
The shutter time is played back by the timer, and the first and second curtain run.
Find the line start timing and release the shutter
You. In steps S522 to S530,
Performs mirror down and aperture opening. When driving sequentially
First, lower the mirror and then open the aperture.
U. In steps S531 to S535,
Stores the total number of releases in the EEPROM 135.
That is, data stored in advance is read and 1
Is stored in the EEPROM 135. In steps S536 to S538
Determines whether to wind the film one frame. Sand
That is, 0-bit and 1-bit of 8-bit RAM called D-CNTT
F-CNTT0 and F-CNTT1
156, it is determined according to Table 2 shown in FIG.
You. Only when auto loading is completed,
Perform the frame winding operation. In step S539, the sequence crack
Switch to the hoisting drive system. Next, step S540
Now, the flag F-OWiND indicating that the film is being wound
Is set to “1”, and in step S541, 35EEPRO
Stored in M. [0358] In step S542, one frame of film is wound.
Raise. In this one frame winding subroutine, fill
When one frame is wound, add 1 to the number of film frames. H
F_C if the film is not wound up by one frame within the predetermined time
Set NDT0 to “0” and F-CNTT1 to “1” and reset.
During wind. [0359] In step S543, the sequence crack is executed.
Switch to its initial position. Next, in step S544, F
_OWiND is set to “0” to end winding. Soshi
Then, in step S545, F_OWiND and the film
EEPR for counting, F-CNTT0 and F-CNTT1
It is stored in the OM 135. Next, in step S546, the shutter
Conduct a charge. And step S547-step
In S549, after 100 msec, the mirror motor and the aperture are stopped.
After the excitation of the stepping motor is turned off, step S55
Returns 0. Next, the flowcharts shown in FIGS.
The chart will be described. Note that this flowchart is
The shutter release process is shown. First, in step S551, interrupt branch prohibition is prohibited.
I do. Then, Steps S552 to S558
Then, from the shutter speed to high speed, middle speed, low
Judgment of the fast second, and if it is fast, set F-UTYA to "1".
I do. F-UTY9 is set to "1" at low speed.
At the same time, the power switch 153 is
Data. [0363] In step S559, the TV value is set to the shutter speed.
-Convert the seconds to a convenient timer value for playback.
You. Then, in steps S560 to S562
Initializes the timers 1 and 2 and the timers 3 and 4. Next, step S563, step S56
At 4, shutter time is set in the timers 1 and 2,
In steps S565 to S567, the timer
Thailand that added 3rd and 4th curtain trailing time to shutter time
Insert the marker value. Note that the timers 1 and 2 run on the rear curtain
It is a timer that measures the start, and the timer
Reference numerals 3 and 4 denote timers for counting the start of mirror down. Next, step S575 to step S57
7, the adjustment value for correcting the shutter time is set to EEPRO.
Read from M135, R3 register and R4 register
To be stored. In steps S578 and S579,
Are timers 1 and 2 and timers 3 and 4 respectively.
And start. Then, step S580 to step S580
In step S583, if the R3 register is "0",
Jump to step S584. If not
Decrements the R3 register and repeats until it reaches 0
The shutter speed by shortening the shutter time.
U. [0367] In step S584, front curtain running is started.
You. That is, the magnet holding the front curtain 176 by suction is held.
Then, the front curtain is turned off and the front curtain 176 is driven. Also, second curtain 1
The magnet holding and holding 77 remains on.
You. Next, in step S588, the timers 1, 2
When overflow occurs, the trailing curtain starts running.
Jump to step S609. In step S592, when the time is high speed
Without looking at the XSW 174, you can adjust the time
Jump to step S588. Step S59
At 6, medium speed seconds, at low speed seconds, interface ic
138 After considering that the register inside falls due to noise
Outputs a signal to turn on the magnet that holds the curtain
You. Next, in step S597, light emission is required.
Is not completed in step S598,
Then, in step S599, the XSW 174 is turned on.
If so, to eliminate switch chatter
Then, NOP is made in step S600. After this, again,
In step S601, if XSW 174 is on
For example, in step S602, strobe light emission is performed. In step S603, the light emission completion flag is set.
Set to “1”. Also, in step S604, F_UTY
When 9 is "0", it is the middle speed second, so step S588
Jump to Then, in step S605, the 1 ms source
A software timer is executed, and in step S606, S
ig110 is output. Then, step
In step S607, the state of the power SW 153 is input, and the
In step S608, it is detected that the power SW 153 has been turned off.
Then, the process jumps to step S609. In addition, the power
-If SW153 (PWSW) is on, step
Jump to S588. [0372] Steps S609 to S612 are as follows.
Similar to steps S580 to S583 described above.
In the processing, the timing of the start of the rear curtain
To make the shutter open longer.
ing. In step S613, the trailing curtain 177 is sucked.
Turn off the magnet that is being held, and run the trailing curtain.
Let me start. Then, in step S614, the high
If the speed is fast, the process jumps to step S622. Also,
In steps S615 to S621, the medium speed
At low speed, the XSW 174 turns on during rear curtain operation.
It is conceivable that step S597 to step
Flash light emission is performed as in step S603. In the step S622, the timer 3,
4, the completion of the trailing curtain is predicted, and the timers 3 and 4 are turned off.
Jump to step S614 until the flow overflows
You. In steps S626 to S628,
Stops timers 1 and 2 and timers 3 and 4
Then, the process returns in step S629. Next, the flowcharts shown in FIGS.
The chart will be described. This flow chart is
It is a flowchart which shows a focus operation. First, steps S630 to S63
In mode 2, once the AE mode is landscape,
Auto focus operation after setting the lens to infinity.
Once in infinity or in landscape or night view mode,
Jump to step S637. [0378] In step S633, the lens is moved to the infinite position.
After the driving, in step S634, the operated flag
Is set to “1”, and in step S635, once infinitely
The flag that has been set is set to “1”, and further, the process proceeds to step S636.
Here, the lens infinity flag is set to “1”. And
Jump to step S740. In step S637, once auto-for
Immediately to lock the auto focus when
To return. Then, jump to step S744.
You. Also, in step S638, the low contrast
In the case of
The light flag is "1". And step S
In step 639, if the flash mode is not off, the auxiliary light
Do the light. Otherwise, jump to step S659
You. In steps S644 to S645
When the auxiliary light emission count reaches the predetermined number,
In steps S646 to S651, the flash
Charge the capacitor. And during the strobe charge
Release the shutter release halfway, stop charging and return
You. Then, the process jumps to step S744. At step S652, the auxiliary light is emitted
In step S653, the charging voltage channel is increased.
Check. Step S654, step S654
In 655, the charging voltage must reach the voltage at which light emission is possible.
For example, charging for auxiliary light is performed. Then, step S65
6, set the F_SEK flag to “0” in step S657
Call the AFALG subroutine
Start integration of the focus sensor. In step S658, the strobe light is used.
The auxiliary light is emitted. Then, in step S659,
If the lens scan request flag is "0", step S
Jump to 675. Next, in step S660,
Lenses that move the lens once closer and then further to infinity
Perform a can operation. I won't repeat the lens scan
In step S661, the lens scan request flag is set.
To "0". In step S662, the lens
Set the scan scan completion flag to "1". In step S663, the remote control release
And the result of autofocus calculation is out of focus
Go to step S665, otherwise go to step S665
Jump to 740. At step S665, the lens is moved to the infinite position.
In steps S666 to S670, EE
The lens is moved to the data position based on the adjustment value of the PROM 135.
put out. Then, in step S671, the operation is performed.
Set the flag to "1". Next, step S672 to step S672
In step S674, the focus flag is forcibly set to "1".
Then, the auto focus completion flag is set to “1” and the
Jump to step S744. [0385] In step S675, the AFIC 134
Read these data, calculate the defocus amount, and focus
Alternatively, a determination of out of focus is made. And when dark,
Make a light assist request. In addition, the number of lens drive pulses and drive
Calculate the moving direction. Next, in step S676,
During integration, the F-SEK flag remains "1" and
Jump to step S744. In step S681, the auxiliary light flag is set.
Is 1, the process jumps to step S689,
In S682, as a result of the autofocus calculation,
If the light request flag is "0", the process proceeds to step S689.
Jump. In step S683, the auxiliary light flag is set.
Set to “1” to complement when the next subroutine is called
Emit auxiliary light. Next, in step S684,
The lens scan flag is set to “0”. In steps S685 to S687,
Indicates that the AE mode is in the night view mode
In this case, the auxiliary light flag is set to “0”. And
In step S688, if out of focus, step S7
Jump to 44, otherwise jump to step S713
I do. In step S689, the need for auxiliary light
If there is no focus and the camera is out of focus, jump to step S691.
Pump. In step S690, the auxiliary light is emitted.
If not, the process jumps to step S713.
In addition, when the auxiliary light is out of focus during emission, the process proceeds to step S690b.
Step when the flash mode is off.
Jump to step S691. Not in strobe off mode
Sometimes, the process jumps to step S744. In step S691, the AE mode is
In the case of the night view mode, the process proceeds to step S694.
In step S692, the AE mode is set to the landscape mode.
To step S693, otherwise to AE mode.
Jump to step S707. In step S693, even if infinite
If auto-focus cannot be performed, step S696-
In step S698, focusing is forcibly performed. Also,
If it is not infinite, step S699 to step S699
In S701, an out-of-focus display is performed, and the F_SiNE flag is displayed.
Set the lag to “0” and continue the auto focus operation.
And jumps to step S702. [0392] In step S702, F_LSC
The AN flag is set to “0” and the lens is not scanned.
In step S703, the F_SLMPON flag is set.
Is set to “0”, and no auxiliary light emission is performed. In step S704, lens scan is performed.
The lens scan end is set to “1” so as not to perform it. Next
In step S705 and step S706,
In the case of focus, PCV175 is set to 33 ms at a frequency of 2 kHz.
ec vibration, stop for 33msec, further 33msec
Vibrates for c (see FIG. 138) and sounds. And
Jump to step S744. Next, in step S707, the auxiliary light
The flag is set to “0”, and in step S708, the lens
The channel request flag is set to “1”. Then, step S7
From 09 to step S712, lens scan ends
If so, the out-of-focus display flag is set to "1". Also,
Set the lens scan request flag to “0” and set the auxiliary light flag
Is set to "0", and the routine jumps to step S744. [0395] In step S713, an out-of-focus display flag is set.
Is turned off, and in step S714, the step
In step S719, the PCV 175 is sounded, and in step S7
In step 20, the F-SiNE flag is set to "1" and
Jump to step S744. When the camera is out of focus,
In step S715, the F_SEK flag is set to “0” and
Prepare to start integration when calling subroutine
You. In step S716, the lens infinity flag is set.
Is set to “0”, and in step S717, the auto
Lens drive pulse number and drive calculated as a result of focus operation
The lens is driven based on the direction. Next, step S72
A flag indicating whether the lens was actually driven in 1.
If the value is "0", the lens is driven, so that step S
Jump to 726. In steps S722 to S725,
Indicates the applied state at the mechanical stopper position.
Lens scanning and lens scanning
Set the out-of-focus display flag to set the scan end flag to "1".
Set to “1” and set the lens scan flag request flag to “0”
To set the auxiliary light flag to “0”. Then, step
In steps S731 to S739, the remote control
When the near end flag is "1", focus is forcibly set and the lens
To the closest position and jump to step S744
I do. In step S726, the file operated
The lag is set to “1”, and in step S727,
In step S728, the F-SiNE flag is set in step S728.
Set to “1” to end the auto focus. Also,
In step S729, the F_AFNGDSP flag is set to “0”.
To Then, in step S730, PCV175
Is sounded about twice as in step S706, and
Jump to step S744. In steps S 740 -S 743, the auto
The process of resetting the focus sensor and starting integration
No line, focus flag is set to "0". AFALG sub
Auto focus sensor by calling routine
Start the integration reset of
On. [0400] In step S745, the auto-for
Clears flags related to scum operation. That is,
Lens scan request flag, lens scan end flag,
Infinity drive end flag, once auto focus complete flag
Flag, out-of-focus display flag, lens infinity position flag, PCV
Clear the pronunciation end flag. In step S746, the auxiliary light flag is set.
In step S748, the focus flag is set to “0”.
Set to “0”. Also, in step S750, the auxiliary light
Is set to "0", and the process returns in step S751. Next, the flow shown in FIGS. 94 to 102 will be described.
Enable / disable interrupts and interrupt branch processing with reference to the chart
Is shown. First, the flowchart of FIG. 94 will be described.
You. FIG. 94 shows the all interrupt prohibition processing. [0404] In steps S752-S754,
Is a register D_iLR1 for setting an interrupt permission level.
Set the lowest interrupt level to 3 and interrupt
Indicates the process that prohibits branch processing even if
The process returns in step S744. Next, the flow charts shown in FIGS.
Explain the chart. These flowcharts are
The process of switching the interrupt function according to the state is shown. First, INTRUN is the LCD table of the camera.
In the state shown, the back cover is closed, and the INTBKKSLP is
The back cover is open during the LCD display of the camera, INTS
For LP, the display time elapses when the power SW 153 is turned on.
In a state where the display is turned off, INTSTP indicates the power S
Set interrupt enable / disable when W153 is off
Each state is shown. FIG. 158, FIG. 159, and FIG.
Table 4, Table 5, and Table 6 show the specific setting of each state described above.
It shows the contents. Tables 5 and 6 above are the percentages in Table 4.
9 is a bitmap showing the cause of the interruption. In Table 4 above
"Key-on wake-up" is executed by CPU1
20 is RUN status from SLEEP or STOP status
To the specified branch destination by an interrupt.
It is not a fork. "Wake up" is Thailand
At the specified cycle due to the overflow of the system base timer.
RU as well as key-on wakeup
“Allow” to make N state is interrupted by SLEEP, S
It changes from TOP to RUN status and is specified in advance.
Branch to the interrupt branch destination. “X” inhibits interrupts. First, at step S756, all the
Disable interrupts. Next, from step S757 to step
In step S765, an integration completion interrupt level is set, and
Yes, in self mode, remote control in standby mode
The interrupt level of the signal is set and permitted, and step S806 is performed.
Jump to [0409] In steps S766 to S772
Sets the key-on wakeup interrupt level,
Auto focus integration interrupt level setting, self mode
To set the interrupt level of the remote control signal
Perform settings. [0410] In steps S773 to S778,
Is the back cover SW155, power SW153,
Detects the state of the pull-up SW 159 and detects the interrupt edge.
Switch detection direction to rising or falling
I can. [0411] In step S779, key-on wake-up is performed.
Set up interrupt enable flag. Step S780
~ In step S782, remote control standby in self mode
Set the interrupt enable flag of the middle remote control signal. Stay
In step S783, interruption of the timebase timer is permitted.
Then, the process jumps to step S806. [0412] In steps S784 to S787,
Sets and interrupts the key-on wakeup interrupt level.
Is set, and the process proceeds from step S788 to step S788.
In step S791, back cover SW155, strobe pop
How to detect the edge of interrupt by detecting the state of the top SW159
Switch direction. [0413] In steps S792 to S794,
Is the key-on wakeup SW interrupt enable flag
The settings are made, and in step S795, the time base
Set the interrupt permission flag of the device. Step S7
From 96 to step S798, the key-on wake
The interrupt level of the step is set, and in step S799
Sets the interrupt permission flag. [0414] In steps S800 to S803,
Indicates the state of the back cover switch 155 and the power switch 153
And switches the edge detection direction of the interrupt. Step
In step S804, the interrupt enable signal of the rewind switch 160
Set the lag, and in step S805, set the time base
Disable timer interrupts. [0415] In steps S806 and S807,
The interrupt flag is cleared, and in step S809
Clears the serial communication interrupt flag and
In step S810, the AD completion interrupt flag is cleared.
Then, the process returns in step S811. Next, the flowchart shown in FIG. 101 will be described.
I will tell. This flowchart is based on the remote control signal.
9 shows remote controller signal processing at the end of the branch. First, in step S812, multiple interrupts are
Ban. Then, in step S813, the remote
Check whether the interrupt is caused by the reset signal. Here, a different place
If so, the process jumps to step S826. [0418] In step S814, the remote control signal
Is determined to be at the "L" level.
If it is not "L" level, jump to step S815.
Step. Then, in step S815, the remote
The remote control is released after receiving a remote control signal.
In this case, the process jumps to step S826. Next,
In step S816, if not in the self mode, the
Jump to step S826. [0419] Step S817 determines whether or not the signal is a remote control signal.
This is a subroutine for determining whether or not. Judge as remote control signal
Then, the F_RMCOK flag is set to “1”. next,
In step S818, the F_RMCOK flag is
If “0”, the process jumps to step S826. [0420] In step S819, the F_RMCOK flag is
Is set to "0", and in step S820, the remote controller
Is set to "1". Also, in step S821
Sets the remote control 2R first processing flag to “1” and
In step S822, the main routine is executed at least once.
The counter flag to "0". Also step
In S823, the photometry end flag is set to “0”. Soshi
Then, in step S824, the auto focus sensor
An integration start signal is output, and in step S825, the operation
The flag is set to "1". Step S825b
Then, the PCV is sounded. [0421] In step S826, the assignment of the remote control signal is performed.
Prohibit re-entry. In step S827, the remote control
The interrupt enable level of the signal to disable interrupt branches
You. In step S829, the interrupt flag is cleared
Then, the process returns in step S830. Next, the flowchart shown in FIG. 102 will be described.
I will tell. This flowchart is based on the integration of AFCI134.
Indicates the integration time detection processing at the end of the interrupt branch by the completion signal
are doing. First, in step S831, an interrupt
Ban. Next, in step S832, the auto focus
Sensor interrupt complete signal
You. If not, the process jumps to step S843. [0424] In steps S833 to S835,
Saves the contents of the register to the stack area. Stay
In step S836, a timer for measuring the integration time is set.
Pause. In step S837, the timer value is updated.
Store in the accumulator. In step S838, the
Restart the ma. In step S839, the
The data saved in the emulator is stored in the specified RAM area.
To pay. [0425] In steps S840 to S842,
Restores the contents of the registers saved in the stack area.
Let In step S843, the interrupt flag is cleared
Then, the process returns in step S844. Next, FIGS. 141 and 142 will be described.
I do. FIG. 141 shows the LED current of SCPi 147.
When a current of about 10 mA flows, FIG.
47 LED current of about 1 mA, C
The result of A / D conversion by PU is the sequence clutch on the vertical axis
FIG. 5 is a diagram in which the rotation position of the cam is shown on the horizontal axis. In step, the sequence clutch is moved to the initial position.
That is, when driving to the mirror driving system position,
Flow the LED current of SCPi147 about 10mA
Is determined by threshold level 1 when the mirror position is detected.
Detect the fall, apply the brake to the motor and stop
Do. [0428] In this case, the threshold level 1 is adjusted.
Data. Set the sequence clutch to the winding position or
Or, when driving to the rewind position, as shown in FIG.
Wind the SCPi147 LED current by flowing about 1mA.
Judgment by threshold level 2 at position detection,
Is detected, and it is wound up by the number of falls from the initial position,
Drive to the rewind position. Threshold level 2 in this case
Is data that is adjusted similarly to the initial position. FIG. 103 shows the adjustment of the threshold level.
It is a flowchart shown. First, in step S850, a scan
Set appropriate data for Resh1 and Resh2
Good. Next, in step S851, mirror position driving is performed.
Perform In step S852, the threshold 1 is set.
If the fall position cannot be detected, the damage flag
Since it is “1”, the process is restarted in step S583.
Raise and lower the lash 1 and repeat the operation in step S851.
Return. [0431] In step S854, the mirror position drive is correctly performed.
If the movement is successful, adjust the AD value of the light-shielded part of the lever to AD1.
Store as Next, in step S855, the winding
The raising position is driven. Next, in step S856
The SCP current of the SCPi 147 is
Switch to current value. [0432] In step S857, the AD value is close to AD1.
A high value indicates that the judgment threshold is low.
Then, in step S858, the threshold 2 is reset.
And jumps to step S855. In step S859, the winding position is detected.
The SCPi147 LED current is 10 mA
Store the AD value as AD2. In step S860
Threshold 1 is calculated based on the following formula (1).
You. [0434] Threshold 1 = (AD1 + AD2) / 2 ……………
……… (1) Next, in step S861, when the winding position is driven,
The maximum value of the AD value is obtained in advance. Furthermore, when detecting the winding position
Is stored as AD3. And the thread
Computation 2 is calculated based on the following equation (2). [0435] Threshold 2 = (ADMAX + AD3) / 2 ............
............ (2) Next, in step S862, thresholds 1 and 2 are
Write EEPROM. Then, in step S863,
Finish the adjustment. Next, the flow chart shown in FIGS.
The chart will be described. First, the flow charts shown in FIGS.
The chart will be described. These flowcharts are
-Initial drive of sequence scratch, sequence crack
To the mirror drive system position, and to the winding drive system position.
The figure shows the drive and drive to the rewind drive system position. First, steps S871 to S88
7 is a flag for discriminating sequence clutch switching operation.
This is the initial setting for making the setting. As shown in FIG.
Table 7 shows the settings. That is, in F_UTY0,1
Initial drive system, mirror drive system position, winding drive system position
And rewind drive system positions. Change
In addition, F_UTY2 is used for the above four types of driving.
Correspond the processing branch at the time of each adjustment. [0439] In step S888, the motor is driven,
Initial settings necessary for detecting the Pi signal are performed. Step S
889, in step S890, the sequence
At the time of the initial drive, the flow branches to step S906. Ma
In steps S891 to S893, the current
If the position data is a mirror position (data is "1")
Otherwise, the process branches to step S901. [0440] In steps S894 to S895,
Saves the identification data to the stack area and
In step S896, the sequence clutch initial drive is performed.
Perform In steps S897 and S898,
The identification data is returned from the stack area. [0441] In step S899, damage damage
If the lag is "1", the flow branches to step S934 to end the processing.
Move to. In step S900, initialization is performed again.
Now. In steps S901 and S902, Mira
If the position is driven, the flow branches to step S934, and the end process is performed.
Move to the management. [0442] In steps S903 to S905,
Is the mirror position when driving the winding position and rewinding position?
Set the number of drive pulses. When driving the winding position
The number of pulses is “1”, and when driving the rewind position, the number of pulses is
Set to “2”. In steps S906 to S907
Is a timer that measures the period for A / D conversion of the Pi signal
Is set to 1 ms. [0443] In step S908, the sequence crack is executed.
Switch 144 (SCM) to rotate forward and
Rotate the scratch cam in the switching direction. Step S
In step 909, a 1 ms timer is started. S
In step S910, wait until the 1 ms clock ends.
Continue. When the F-T2iF flag becomes “1”, 1
The timing of ms ends. [0444] In step S911, F_T2iF
The flag is cleared, and in step S912, the SCP
A / D conversion of the output signal of i147
Is detected. In step S913, F_GPSD
If the N flag is "1", the SCPi147 signal
Indicates that there was a fall. If there is no fall,
Jump to step S917. [0445] In step S914, F_GPSD
The N flag is set to “0”. In step S915,
The number of drive pulses is reduced by "1". In step S916
When the number of drive pulses becomes “0”, the drive is terminated.
Therefore, the process jumps to step S926. If it is not “0”
Otherwise, the process jumps to step S917. [0446] In steps S917 to S920,
Then, a drive time limiter process is performed. Drive motor
If the processing does not end even after 1 second
Indicates that the SCPi147 output signal is abnormal or mechanical
May be considered, damage processing and release
To lock. Otherwise, branch to step S908
I do. Steps S921 to S925 are executed in
This is the process of branching to an image. First, in step S921, a timer is set
Stop. In step S922, the sequence
The sequence motor 144 for performing the switching is turned off.
In step S923, the torque of the sequence clutch mechanism is
The damage flag indicating the bull is set to “1”. In step S924, during adjustment,
Branch to image processing to prevent release lock
The process branches to step S934. In step S926, a predetermined
Perform end processing when counting several falling,
The brake is applied to the sequence motor 144. brake
The method electrically shows both ends of the sequence motor 144
The short brake that brakes
At a predetermined time in the direction opposite to the direction of rotation of the motor
Reverse braking, which applies a voltage between
Perform using In step S927, the winding position,
At the time of driving the rewind position, the flow branches to step S932.
In step S928, when the mirror position is driven,
The process branches to step S934. [0451] Steps S929 to S931
This shows the processing at the time of initial driving. First, the fact that the initial processing has been executed once
The flag F_GPSiNi flag indicating “1” is set to “1”.
Good. In step S930, in a process described later,
F_U to set position data
Set the TY0 flag to “1” to set the mirror position data.
Good. [0453] In steps S932 and S933,
Calculates ADMAX at the time of adjustment. Step S934
In step S936, the position data of the sequence clutch
Data is “1”, winding position data is “2”, rewind position
The data is "3". Step S937, Step S
In step 938, the timer is stopped, and in step S939
To return. Next, the flowcharts shown in FIGS.
The chart will be described. This flowchart shows the sequence
This shows the initial setting for driving the clutch mechanism.
You. First, in step S940, an interrupt
Set the prohibition level, and in step S941, set the port
To Interface in step S942
Initialize the ic138 and go to step S943.
And other motors may be turned on,
Turn off the data drive circuit. [0456] In steps S944 and S945,
And reads data from the EEPROM 135. Stay
In steps S946 to S955, the EEPRO
Expand the data of M135 into RAM inside CPU 120
You. The XR1 register has a switch for driving the winding and rewinding positions.
Resh judgment level. The XR0 register has initials,
Threshold level for mirror position drive, XR2 register
Set the motor drive voltage at the time of clutch switching.
You. [0457] In steps S956 and S957,
Then, the count value is set in the PRO register for one second.
In steps S958 to S964, the adjustment
Clear the RAM area to "0". Step S965,
In step S966, the motor drive of the XR2 register
The dynamic voltage is set to the interface ic138. [0458] In step S967, the sequence
Clear the latch drive damage flag. Step S
In 968, the SCPi147 signal fall determination
The previous data is cleared to "0". Step S963 ~ S
In step S976, the threshold is determined for each drive position.
Set the value in the R3 register. PiLED by driving position
The current value is set in the interface ic138. [0459] In step S977, the SCPi 14
7 is emitted. In step S978, the SCP
Wait for the light emission stabilization time of i147 LED. Step S979
In step S98, an A / D conversion port is set.
Return with 0. Next, the flow charts shown in FIGS.
The chart will be described. This flowchart is
SCPi147 at the time of sequence clutch switching drive
A / D conversion of the signal to detect the falling of the signal
Show the routine. First, in step S981, a preset
A / D conversion is performed at the specified port. A / D conversion
The result is set in the accumulator. Step S982
, The result of the A / D conversion is stored in the R5 register.
In step S983, after a delay of 100 μsec,
In step S984, A / D conversion is performed again. [0462] In steps S985 to S990,
To calculate the absolute value of the difference between the results of the two A / D conversions.
You. In steps S991 and S992,
It is determined whether the absolute value is equal to or less than a predetermined value. Think with voltage value
Then, a difference of 0.06 V or less is detected within 100 μsec.
Will do. If this difference is greater than 0.06V
Means that the SCPi147 signal is being switched,
Ignore this sampling result. In steps S993 to S997, the upper
The thread whose A / D value is set in the R3 register in advance
Judge whether the A / D value is above or below the threshold.
If the level is equal to or higher than the
Set GPi flag to “1” and branch to step S1001
I do. When the A / D value is less than the threshold level
Judge as “L” level and set F_GPi flag to “0”
It branches to step S998. Steps S998 to S1000
If the previous SCPi147 output is "L",
The process proceeds to step S1002, and if “H”, the current output is “L”.
Therefore, the falling has been detected. Falling hula
F_GPiDN is set to “1”. The previous output level
Set the meaning F-GPiOLD flag to “0” and
The process branches to step S1002. In step S1001, A / D conversion is performed.
Since the value is at "H" level, no falling detection is performed.
No. Set the F-GPiOLD flag indicating the previous A / D value
Set to “1”. In step S1002, during adjustment
When the adjustment is not being performed, the process proceeds to step S1003.
The process branches to 1025 and returns. At step S1003, the
Step S102 when the initial mirror position is driven
Branch to 5 and return. Steps S1004 to S1024
Is the process to be performed during the winding and rewinding position drive during adjustment.
Reason. That is, the A / D values are sorted,
Is the sampled A / D value arranged in descending order of 8
This is the process to be performed. First, in step S1004, EP
The area start address is set in the register, and step S10
03 to step S1007, the data in the area
Compare A / D value and when it is larger than data in area
Are steps S1008 to S1016,
Shift the descending data sequentially. Steps S1017 to S1018
Then, the A / D value is stored in the empty space as a result of shifting,
The process branches to step S1025. Step S1020-Step
In step S1024, whether the search has been performed to the end of the area
Judge. Next, referring to the flowchart shown in FIG.
Will be described. This flowchart shows the sequence
9 shows a brake process of the switch drive motor. First, in step S1026, the
Short brake is applied to the cans motor 144. Next
In steps S1027 and S128,
After 200 μsec, steps S1029 to S1
At 033, reverse brake is applied for 10 msec.
You. Steps S1034 to S1038
, Apply the short brake for 50 msec.
After that, in step S1039, the sequence motor
144, and returns in the step S1040.
You. Next, referring to the flowchart shown in FIG.
Will be described. This flowchart shows the sorted A /
This is a process for averaging the D values. First, steps S1041 to S1
At 044, initialization is performed. Step S1045
In step S1052, the sum of the area data
calculate. Steps S1053 to S1055
Then, divide the sum by 8 to find the average value, and calculate the ADMAX value
It is stored in a predetermined RAM area, and in step S1056,
To return. Next, FIG. 143, FIG. 144 and FIG.
Referring to the flowchart shown in FIG.
The driving will be described. FIG. 143 shows a state in which the zoom motor 146 is driven.
Moved lens frame cam rotation angle and output with rotation of lens frame
ZMPR output signal and ZMPi output signal
FIG. 9 is a diagram showing a relationship between a trunk position, a wide position, a tele position, and other relations.
You. [0477] The ZMPR signal is the black
And silver seal by PR (Photo Reflector) 172
A reflected signal is output, and the output is sent to the A / D
This signal is read by the port. In the figure, ZMPR signal
The “L” level signal is the part without reflection at the black seal
Minutes. In the “H” level part, the silver seal
This is the part reflected by the part. Extend from the mirror frame
"H" from "L" level just before the optical WIDE
A point where the level changes, "WIDE-1" is provided. Change
, It passes the optical WIDE position and further
Then, just before the optical TELE, from "H" level
"TELE-1" is provided at the point where it switches to "L" level.
You. Extend further to the TELE position.
There is a stopper position to hit the stopper. ZMPi is the rising edge of the output signal of Pi,
Count falling edges. WID from collapse position
The number of edges up to E-1 is 220, WIDE-1 to WI
4 for DE, 22 for WIDE to TELE-1
6, 12 from TELE-1 to TELE, TELE
The stopper position has three edges. Next, the flow charts shown in FIGS.
The chart will be described. This flowchart is
Zoom up button 123 (ZUSW), zoom down button 1
Performed when zoom operation is performed by 24 (ZDSW)
This is a game drive process. Step S1060 is necessary for zoom drive
Initial data settings. Disable interrupt, set port E
The data in the EPROM 135 is expanded in the RAM. zoom
Motor drive voltage setting, zoom PiLED emission, zoom
The current and light emission of the PRLED for the camera are controlled. In step S1061, the zoom direction is set.
How to extend the zoom when the flag F_ZMUP is "1"
When it is "0" in the direction, it is driven in the retraction direction. Step S
1062 to the step S1066, the zoom button
Brake for when 123,124 is held down
The start position is calculated. [0483] Target position = (TELE position)-(stop edge at the time of feeding
Number) ... (3) The number of stop edges during feeding is determined by the short
The number of edges from the start of application to the complete stop
It is. Steps S1067 to S1071
Now, calculate the brake start position in the zoom-down direction.
Now. [0485] Brake start position = (WIDE position) + (
Number of stop edges) (4) In step S1072, the above equation (3) or (4)
Is stored in the WR2,3 register. S
In step S1075, the edge width of the Pi signal is detected.
Start the timer. In step S1074, the zoom
Detect button. Step S1075 to step S107
In step 6, if another key is pressed, the zoom is interrupted and the
Branching to step S1093, the brake is applied. Steps S1077 to S1080
The zoom up button is released during zoom up
If it is detected, the flow branches to step S1093 to zoom.
When down, zoom down only while ZMPR is at “H” level
When the release of the button is detected, the process proceeds to step S193.
Diverge. Zoom down in the range of TELE to TELE-1
Release the finger from the zoom button halfway to stop zooming.
If you try to stop it, you must stop it from TELE-1
Lost. In step S1081, zoom drive is performed.
Zoom edge count and brake open during drive depending on direction
If the start position is compared and exceeds the position, Cy = 0 will be obtained.
It branches to step S1083. In step S1083
Is the ZMPi signal count and the ZMPR172 output signal.
The counter of the output signal of ZMPi173
Perform a wash. The zoom was repeatedly driven to wide tele.
The output of the ZMPR172 is used to calculate the count error
This is an adjustment value adjusted at the time of factory shipment by switching the signal.
Rewrite the counter value of the output signal of ZMPi173
It is solved by doing. In step S1084, after a predetermined time
If the output signal of ZMPi173 does not change even if
Since the damage flag F_DMGZM becomes “1”,
The process branches to step S1086. [0489] In step S1085, zoom drive is performed.
Voltage makes the zoom motor 146 forward or reverse depending on the driving direction
Drive. In step S1093, the zoom motor
Braking 146. The zoom motor 146 is
The brakes do not stop immediately, so even while braking
Edge count ZMPR1 of output signal of ZMPi173
The edge counter is reset by the output signal of 72.
U. Zoom if there is no change in ZMPi signal for more than a predetermined time
It is determined that the motor has stopped, and in step S1094,
Turn off the motor and return in step S1095.
You. Next, the flow charts shown in FIGS.
The chart will be described. This flowchart shows the zoom
Subroutine that drives the lens from any position to the optical wide position
To indicate First, in step S1096, zoom drive is performed.
Make initial settings for. Step S1097 to Step S
1102, on either side of current position or wide position
Judge. From the number of pulses at the wide position,
If the carry becomes “0” by subtracting the number of throughs,
Also collapsed side, if the carry is "1", it is more tele side than wide
to decide. If it is on the retracted side, steps S1103 to
In step S1105, the drive direction is set to the extension direction, and the brake is opened.
The start position is calculated by (wide-stop pulse number). Tele side
If so, steps S1106 to S1109
To set the drive direction to the retraction direction and the stop start position to (wide +
(The number of stop pulses). [0492] In step S1110, the calculated block is calculated.
The rake start position is stored in the WR0,1 registers. Stay
In step S1111, the edge of the output signal of ZMPi173
Start the width detection timer. Step S1112
When the ZMPR signal is "L" in step S1114
Can be widened from the collapsed position only by counting the zoom pulse.
When the wide position is detected when
In this case, the PR signal is
Wide detection is not performed until it becomes "H". Instead Zoo
Limiter to the edge counter considering the failure of the PR circuit
To stop it. In step S1115, the brake start pulse
Set whether the camera is in the wide position or the limiter value. Stay
In step S1116, the current position pulse and the brake start pulse
Compare. In step S1117, beyond the start position
If so, proceed to step S1121 to start braking.
Diverge. In step S1118, the zoom PR signal and the zoom
Pi signal is processed. [0494] In step S1119, the zoom damage flag is set.
If the lag is "1", branch to step S1122
I do. In step S1120, the driving voltage for zooming and the driving
Setting the driving direction of the motor according to the direction Step S1112
Branch to In step S1121, the zoom brake
And return in step S1122. Next, the flowchart shown in FIG. 121 will be described.
I will tell. This flowchart shows how to set the zoom to any position.
It is used at the time of adjustment in the moving process. First, in step S1123, zoom drive is performed.
Make the initial settings for. Step S1124 to Step S1
In 129, the drive target position is set in the WR6 and WR7 registers
Have been. Check whether the drive target position is smaller than tele.
Click. If it is bigger than tele, put tele at target position
You. Steps S1130 to S1133
Then, the current position is compared with the target position. Step S113
In steps 4 to 1137, the setting in the feeding direction is performed.
Now. In steps S1138 to S1140,
Make settings for the retraction direction. In step S1141
Sets the brake start position. Step S1142
Then, the zoom driving subroutine is called. Steps
It returns in S1143. Next, referring to the flowchart shown in FIG.
Will be described. This flowchart shows the brake start position
This is a subroutine for driving up to zoom. First, in step S1144, the zoom pal
Set the time width limiter for the Step S1145
In step S1146, if it exceeds the brake start position,
The process branches to step S1150. In step S1147,
The signal processing of ZMPi 173 and ZMPR 172 is performed. At step S1148, the zoom damage flag is set.
If the lag is "1", branch to step S1151
I do. In step S1149, the motor drive voltage setting mode is set.
Drive is performed, and the process jumps to step S1145.
In step S1150, brake is applied to zoom motor 146.
And returns in step S1151. Next, referring to the flowchart shown in FIG.
Will be described. This flowchart shows how to zoom
This is a process of driving from the installation position to the retracted position. First, in step S1152, the zoom drive
Perform the initial setting of the operation. Step S1153 to Step
In S1158, a brake start target position is calculated.
In steps S1159 to S1160, the current position
If the position is further retracted than the retracted position, step S
In steps S1161 to S1162, the zoom drive is not performed.
No. In step S1163, the process returns. Next, the flow chart shown in FIGS.
The chart will be described. This flowchart is
9 shows a brake process of the arm motor 146. First, in step S1164, ZMPi1
A pulse width limiter timer 73 is started. Stay
In step S1165, the ZMPi173 blade (not shown)
The ZMPi signal continues to be output due to vibration, etc.
Flag F-ZMBOV (over
-Flow flag) to “0”. Steps S1166 to S1167
Save the zoom pulse before braking to XR0,1 in advance
Let it. In steps S1168 to S1169,
The output signal of ZMPi173 keeps coming out forever
The time limiter timer value is set in the R1 register. [0506] In step S1170, the zoom motor 14
Braking 6 Step S1171-Step
In S1172, the change of the output signal of ZMPi173 is determined to be predetermined.
A break to confirm that the time has not been detected and has stopped
Set the key decision limiter value in the R0 register. [0507] In step S1173, the timer is over.
-Detect flow. In step S1174, the timer
Is cleared to "0". Steps
In S1175, the R0 register is decremented. Stay
In step S1176, the value of the R0 register becomes “0”
No output signal of ZMPi173 for a predetermined time
Means that the flow branches to step S1192.
You. Step S1178, Step S1179
Then, the R1 register is decremented. R1 register
When it becomes “0”, the ZMPi 173 is output for a predetermined time or more.
This means that the force signal continues to be output.
The processing branches to step S1181 in order to interrupt the processing. In step S1179, ZMPR 172,
The change of each output signal of the ZMPi 173 is examined.
In step S1180, the process of step S1179 is performed.
As a result, “0” is set to ZMPi1 by the F-ZMPi flag.
The “1” for which no change of 73 was detected is the ZMPi1
This means that a change in the output signal of 73 has been detected. This
If it is "0", the flow branches to step S1173.
If it is "1", the flow branches to step S1170, where R
Reset the 0 register. Steps S1181 to S1189
Therefore, the output signal of the ZMPi 173 does not exceed the predetermined time.
When the signal keeps changing, the zoom pulse counter
Is incorrectly counting.
Current position is assumed from the number of pulses before
There is a need to. Zoom pan retracted before braking
And the number of brake stop pulses are added or subtracted depending on the drive direction.
Perform [0511] In step S1190, the result of the operation is shifted.
It is stored in the RAM that counts the frame pulse. Stay
In step S1191, overflow occurred during braking
Is set to "1".
In step S1192, the zoom motor 146 is turned off.
You. It returns in step S1193. Next, the flow charts shown in FIGS.
The chart will be described. This flowchart is
4 shows a process for performing initial setting of the frame drive. First, in step S 1194, interrupt prohibition is set.
I do. In step S1195, a port is set. Stay
In step S1196, the interface ic138
Set the operation mode of. In step S1197
Turn off all motors 144, 145, 146
I do. [0514] Steps S1198 to S1206
At the adjustment value collapse position of the EEPROM 135, Wi
DE-1, WiDE, TELE-1, TELE, TEL
The zoom pulse at the E end is developed in the RAM. Steps S1207 to S1228
, The adjustment value of the EEPROM 135, the driving of the motor
The judgment threshold value of the voltage value zoom Pi is developed in the RAM.
You. Steps S1229 to S1242
, The adjustment value of the EEPROM 135, the ZMPR17
2 judgment value, ZMPR172 LED current value to RAM
expand. In step S1243, the interface
Set the LED current value of ZMPR172 to source ic138
I do. In step S1244, ZMPR1
Turn on 72 LEDs. Step S1245, Step
In step S1246, the LED of ZMPi173 is turned off.
On. In steps S1246b-d, the interface
-PZ output signal of ZMPi173 to interface IC138
Set the signal threshold level. [0518] In step S1247, zoom drive is performed.
Set the number of return pulses when the motion direction is reversed in RAM
Then, in steps S1248 to S1251,
The number of zoom stop pulses (extending direction,
Direction). In step S1252, it is determined that the brake has ended.
Is set in the ZR5 register. [0519] In step S1253, the zoom is turned on.
To determine that the ZMPi signal is no longer output
Set the emitter value in the ZR6 register. Step S12
At 54, the zoom Pi continues to be output during braking
Sometimes, the limiter value to be forcibly terminated is set to ZR7.
In step S1255, ZMPR172, ZMP
From turning on the LED of i173 until output stabilization
Time with a software timer. Step S12
At 56, clear the brake overflow flag.
A. In step S1257, the ZMPR1
The 72 detection flags are initialized. Step S1258
Initializes the detection flags of ZMPi173
You. In step S1259, the zoom damage flag is set.
Clear to "0". In step S1260,
To return. Next, the flow chart shown in FIGS.
The chart will be described. This flowchart is Z
MPi 173 output signal, ZMPR 172 output signal
The processing is shown. The output signal of ZMPR 172 is as shown in FIG.
As shown in Table 8, the rising and falling of the signal
The zoom pulse is counted according to the zoom drive direction at that time.
Turns off the process of changing the contents of the
Change. The rising edge of the ZMPR172 signal is detected.
When the zoom is in the extended drive mode, the zoom pulse
The data of (WIDE-1) is set to the count value. Zoo
The setting is not made when the system is driven by retraction. [0523] The falling edge of the ZMPR172 signal is detected.
When the zoom is driven forward, (TELE-1)
Set the data of. When the zoom is driven by repetition (W
Set the data of IDE-1). The output signal of ZMPi 173 is as shown in FIG.
As shown in Table 9, the rising of the output signal of ZMPi173
And the falling is counted. No "1" at the time of delivery
At the time of counting up,
To [0525] In step S1261, the ZMPR1
A change in the 72 signal is detected. ZMPR172 signal
If there is a change, the F_ZMPR flag is set to “1”.
You. In step S1262, the F_ZMPR flag
Is "0", the flow branches to step S1274. Stay
In steps S1263 to S1264, switching is performed.
The zoom pulse at the time of recovery is stored in the WR4 register. Steps S1266 to S1273
, When the F_PROD flag is “1”,
Means At the start, when zooming down,
Step S1269 when zooming up
Sets the zoom pulse to WIDE-1. Zoomer
(WIDE-1) is set. In step S1274, the ZMPi1
A change in the output signal at 73 is detected. Detect signal changes
If it is issued, the F-ZMPi flag is set to "1". Stay
In step S1275, the output signal of ZMPi 173 is
If there is no change, the flow branches to step S1284. S
When zooming up in steps S1276-1280
Increments the zoom pulse, but increments
If the result overflows, increment
Absent. Steps S1281 to S1283
, The zoom pulse is decremented when zooming down.
If it is “0” before decrementing,
Do not increment. Jump to step S1295
You. In step S1284, the ZMPi 173 pal
If the width timer does not overflow,
The process branches to step S1296. In step S1285, the overflow
Clear the low flag. In step S1286
Register R0 that counts the pulse width of Pi.
To reset. In step S1287, R0
When it becomes "0", there is no change in the Pi signal for a predetermined time.
To the mechanical stopper or to ZMPi173 circuit
Judgment is made as to whether or not there is the above, and damage processing is performed. No good
In step S1288, the motor is turned off. In step S1289, damage damage
Set the lag to "1". Step S1290 to Step S
In 1294, the damage when zooming down was sunk
Set the zoom pulse to “0” because hitting is considered.
You. When zooming in, it is possible that the stopper hits
Therefore, the zoom pulse is used as the stopper position data.
Jump to step S1296. Step S129
In 5, there was a change in the output signal of ZMPi173.
In that case, reset the clock timer. Step S12
At 96, the process returns. Next, FIG. 144 will be described. This figure
144 performs A / D conversion of the output signal of ZMPR 172
"H" threshold stored in R6 and R7 registers
The hysteresis on the "L" threshold
"H" and "L" indicate that a judgment is made. [0532] For example, if the previous determination result is "H" (F_PR
OLD flag is "1") and this AD result is from R7
Judge as "L" (set F_PROD to "0")
If it does, it is determined to be falling. Change flag
(F_ZMPR) is set to “1”. Next, referring to the flowchart shown in FIG.
Will be described. This flowchart is based on the ZMPR17
2 shows the determination process. First, in step S1297, F-
Clear the ZMPR flag to “0”. Step S129
At 8, the signal of the ZMPR 172 is A / D converted.
The A / D result enters the accumulator. Step S129
In step 9, the accumulator and “L” level value are entered.
Compare with the R7 register. Smaller than R7 register
In this case, the flow branches to step S1305. R7 register
In the above case, the accumulator and “H” level value
Compared with the R6 register. Medium when less than R6 register
Nothing is performed because it is at the intermediate level.
Pump. In step S1301, the previous determination
If the result is "H", step as no change
The flow branches to S1310. If the previous time was "L",
Since there is a possibility, in step S1302,
A / D conversion is performed, and in step S1303, R6
Check if it is R6 or more by comparing with the resistor. When less than R6
Will start over. Jump to step S1298. R6
In the above case, the rise has been detected.
In step S1304, the previous determination result F-PROLD
To “1”. It branches to step S139. In step S1305, the previous judgment
Is "L", the flow branches to step S1310. Steps
In S1306, A / D is performed again for confirmation. Stay
In step S1307, if it is smaller than R7, the fall is
Has been detected. Step if greater than R7
The flow branches to S1298. In step S1308,
The previous determination (F-PROLD) is set to "0". Step
In step S1309, the change in the signal of ZMPR172 is
The F-ZMPR flag 9 is set to "1"
The process returns in step S1310. Next, referring to the flowchart shown in FIG.
Will be described. This flowchart is based on the ZMPi1
73 shows the processing for detecting the rise and fall of the 73 signal.
It is something. In step S1311, the changed file
Clear the lag to "0". In step S1312
If the output signal of ZMPi 173 is "L", step S
Branch to 1317. Here, if “H”, step S
At 1313, the previous 173ZHPi signal (FP
If (iOLD) is “H”, the flow advances to step S1322 to “L”
Then, in step S1314, to prevent noise
After waiting 50 μsec (software timer),
In step S1315, the output signal of ZMPi173
Is "L", the flow branches to step S1312 to start over.
You. If the output signal of ZMPi 173 is "H", 173
This means that the rising edge of the Pi signal has been detected. In step S1316, the previous Pi
The signal (F_PiOLD) is set to “1”. Step S1
Jump to 321. In step S1317, the last Pi
If the signal is "L", the flow branches to step S1322, where "H"
Then, in step S1318, after 50 μsec, the step
In step S1319, if the Pi signal is “H”,
In order to correct, the process branches to step S1312. Step S1
At 319, if the ZMPi signal is "L", the ZMPi signal
This means that the falling edge of the signal has been detected. In step S1320, the previous ZM
The Pi signal is set to “0”. In step S1321
To indicate that there is a change in the ZMPi signal, F-ZM
The Pi flag is set to "1". At step S1322,
Turn. Next, the flow chart shown in FIGS. 133 to 137 will be described.
The chart will be described. This flowchart is
If the mechanism is not in normal condition when the battery is inserted into the camera,
If the battery is removed during shooting,
This shows processing related to the initials. First, in step S1323, the zoom
Perform initial setting of system drive. In step S1324
Then, the zoom is driven to the initial position. Unknown zoom position
At once, switch the ZMPR172 signal by widening
Reset the ZMPi173 pulse count value
Do. Mirror up / down, shutter charge
After initializing, move the zoom to the collapsed position. [0544] In step S1325, power is turned off.
If so, the flow branches to step S1338. Power o
Zoom in to make the lens infinity
You. In step S1326, the sequence clutch
Is driven at the initial position. Step S1327,
In step S1328, the lens retracted flag is set.
“1”, the zoom collapsed flag is set to “0”, and the zoom is collapsed.
Indicates not in position. [0545] In step S1329, the EEPRO
Write to M135. In step S1330,
Drive to the wide position. In step S1331,
To calculate the zoom encoder value from the zoom pulse.
You. In step S1332, the zoom encoder value
The aperture value is calculated from In step S1333
From the zoom encoder value to the mechanical stopper position of the lens.
The optical infinite position is calculated from the position. In step S1334, the lens is retracted.
Set the flag to “0” and check that the lens is not
And In step S1335, the EEPROM
Write 135. Step S1336, Step S1
At 337, the first and second lens groups are dried before the collapse.
Position that does not interfere (predetermined pulse from optical infinite position
Since a group of lenses has been extended to
Drive to infinite position. In step S1338, the mirror and the aperture are
The initial setting of the drive is performed. Turn on Pi152 for aperture
I do. In step S1339, the aperture Pi 152
Is "H", the aperture is at the initial position,
Branch to step S1346 where initial is not performed
You. Steps S1340 and S1341
, A maximum value is set for the aperture drive pulse. Steps
S1342, in step S1343, F_UTY
3 is set to “0”, F_UTY4 is set to “1”, and mirror drive
A setting is made so that only the aperture drive is performed in the subroutine. S
In step S1344, the F_DPRN flag is set.
137 date module when mirror is erroneously set to “0”
Not output the imprint signal (S110)
You. Step S1345: Mirror down processing
And open the aperture. In step S1346
After a software timer of 100 msec,
In step S1347, the aperture stepping motor 15
Turn off chip enable of driver circuit 150
Then, the excitation of the stepping motor 151 is turned off. Steps S1348 to S167
Is a mechanical initial related to film driving. In step S1348, as shown in FIG.
According to Table 2, when F-CNTT1 is "0",
Since load failed or completed, branch to step S1357
You. In step S1349, F_CNDT0 is
If it is “1”, rewind is complete, so do nothing
Then, the flow branches to step S1366. Step S135
At 0, the initial position drive of the sequence clutch
Is completed, the flow branches to step S1352. End
If not, in step S1351, the sequence
The initial position of the scratch is driven. In step S1352, the sequence
Switch the clutch to the rewind position. Step S1353
, Rewinding is performed. In step S1354
When the power is on, the mirror frame and rear lens interfere with the mirror
At step S1355, the
Drive the sequence scratch to the mirror position and execute step S1.
At 356, a shutter charge is performed. power
If it is not on, the process branches to step S1366. In step S1357, F_CND
If T0 is "0", autoloading has failed.
Branch to step S1366, F_CNDTO
If it is “1”, in step S1358,
To see if. When the F-OWiND flag is "1"
As the film is being wound up, the next shot will overlap
It is necessary to wind one frame to prevent it. In step S1359, the sequence
If the initial position drive of the clutch has been completed,
Branch to step S1361, if not finished, step
In S1360, initials of the sequence clutch
Position driving is performed. In step S1361, the
Drive the cans clutch to the winding position. Step S1
At 362, one frame is wound up. Step S136
In 3, if the power is on, the mirror frame and rear ball are Mira
In step S1364, the
Switch the sequence scratch to the mirror position, and
At 1365, shutter charge is performed. In step S1366, during winding
The flag F_OWiND is set to “0”, and step S136
7, the result of other processing F_CNDTO, F_C
Since the NDT1 may have changed, the EEPROM 135
Write to. In step S1368, the process returns. Next, the flowcharts shown in FIGS. 135 to 136 will be described.
The chart will be described. This flowchart is
Mechanical zoom when battery is removed during zoom operation
It shows initials. If the zoom and lens are in the retracted position on the way,
If this is the case, the lens should be
To avoid interference between the rear lens and the mirror, zoom
Initialize the mirror only when it is at the id position.
U. First, in step S1369, the zoom
If the collapsed flag F-ZMSNK is "1",
Zoom is in the retracted position, so the initial zoom
Is not performed, and the flow branches to step S1391. Steps
In S1371, the ZMPR172 signal is “H”.
If it is in the range of (WiDE-1) to (TELE-1)
Do not search for the zoom position.
No. The flow branches to step S1394. ZMPR172
If the signal is "0", (collapse position) to (WIDE-1)
And one of (TELE-1) to (stopper position)
is there. Steps S1372 to S1383
In (collapse position) to (WiDE-1) or (TEL
E-1) to determine any of (TELE end)
Once (stopper position)-(TELE-1) pulse
Move it in the direction of collapse to adjust the change of ZMPR172 signal.
Judge all. However, if you are near the collapse position
In this case, it is necessary to move the
There is also a risk of hitting a falling mirror. So,
Process by lowering the drive voltage of the motor
ing. Steps S1372 to S1384
Input the (stopper position) data to the zoom pulse
It is. In steps S1375 to S1376
Then, the brake start target position is set to (TELE-1).
In steps S1377 to S1380, the
The data drive voltage is set to the voltage applied to the collapsed body. Steps
In S1381, the zoom is driven to the target position. S
Step S1382-Step S1383 Changed voltage data
Return the data to the original data. In step S1384, the ZMPR1
If the 72 signal is “H”, the zoom pulse is (TE
LE-1) is set to the data and the position is found.
Become. The flow branches to step S1394. Zoom PR
If "L", the zoom position is the retracted position (WiDE-
Since it is within the range of the position 1), zoom out and zoom in.
The rising signal of the program PR is detected. Step S138
5. In step S1386, the zoom pulse is
Set to “0”. In step S1387, the zoom is set to W
Drive toward IDE. In step S1388
To convert the zoom pulse into a zoom encoder value. S
In step S1389, the process is started from the zoom encoder value.
Calculate the aperture value. In step S1390,
From the infinite mechanical stopper position of the lens
The number of lens drive pulses up to the optical infinity position is obtained. Stay
Jump to step S1394. In step S1391, the lens is retracted.
If the position flag F-LNSSNK is "1", the camera
Means that the battery was removed in the power off state
The flow branches to step S1404. In step S1392, the zoom retracts.
The middle flag F-ZMSNK is "1" and the lens collapse
When F-LNSSNK is "0",
Since there is no possibility on the balance, (Table 10 shown in FIG. 164, FIG.
(See Table 11 at 65)
It is set to “1”, and in step S1393,
Perform processing and release lock. [0565] In step S1394, the mirror and serial
Perform the mecha initial of the jatter. Step S139
In 5a-c, once the first lens unit is infinite mechanical stopper
-When the lens is collapsed, the first lens and second lens are
Extend the lens group to a position where it does not interfere. Step S1
Set the 396a, b lens retractable flag to "1"
The collapse position flag is set to "0", and step S139 is executed.
At 7, data is written to the EEPROM 135. [0566] Steps S1398 to S1400
In, input the data of (TELE end) to the zoom pulse
In step S1401, the zoom is moved to the collapsed position.
Drive toward. In step S1402, the zoom
The system collapse position flag is set to "1", and step S1403E is set.
Write data to EPROM. Step S1404
And return. Next, referring to the flowchart shown in FIG.
Will be described. This flowchart is for mirror, shutter
It is a mechanic. First, in step S1405, Mira
Mirror up when the up switch 157 is "0"
Since it means inside, the flow branches to step S1407. Stay
In step S1406, a shutter charge switch
When 156 (SCSW) is “0”, the shutter
Since the backup status indicates a normal status, step S14 is performed.
Jump to 17. Shutter charge switch 15
When 6 is "1", the mirror is down, but the shutter
Since the charge has not yet been performed, go to step S1414.
Branch and charge the shutter. In step S1407, the shutter
Mirror up when charge switch 156 is "1"
Since the state remains, the process branches to step S1409 and
Down. Shutter charge switch 156
Is “0”, the mirror up switch 157 (MUS
W), due to the configuration of the shutter charge switch 156
This is an unacceptable combination, so the mirror damage flag FD
Set MGMiR to “1”, go to damage processing and go to camera
Lock the operation of. [0570] In step S1409, the sequence
If the initial position drive of the clutch is not performed,
In step S1410, the sequence clutch
The initial position drive is performed. Steps S1411-S1413
, Set the F-UTY3 and F-UTY4 flags
Set to “1” and “0” and perform only the mirror down operation.
Make settings to make the mirror move, and in step S1413, lower the mirror.
Do. In step S1414, the sequence class
If the initial position drive operation of the switch is not performed,
In step S1415, the sequence clutch
The initial position drive is performed. In step S1416
To charge the shutter. Step S1417
And return. As described above, the locking device of the first embodiment
If you use the structure, in single-lens reflex cameras
Is a body that uses two motors and a complicated clutch mechanism.
Only one motor and one sensor are used for mechanical drive
Can be done with a small clutch
You. This greatly reduces the size and cost of the entire camera.
It can make a significant contribution. Next, a locking mechanism according to a second embodiment of the present invention will be described.
Will be described. FIG. 145 shows the locking mechanism of the second embodiment.
FIG. 4 is an enlarged view of a main part showing a clutch lever to be engaged. In the first embodiment, the clutch cam is locked.
Lever and its detector are shown as an integrally molded member.
However, the lever can be separated, as shown in FIG.
The example will be described with reference to FIG. In this embodiment, the clutch
The cam section and each drive system are the same as in the first embodiment.
FIG. 145 shows an example in which the configuration of only the chiller is changed.
Only the switch lever will be described. The clutch lever 201 has a spring in the direction of the arrow.
It is a member that is urged and a part of it is not shown
The indicated clutch cam comes into contact. On the top of the clutch lever
Two pins are arranged, and the detection plate 202 is moved through the pins.
The adhesive is fixed to the clutch lever 201. The detection plate 20
2 is a plate molded by a mold, not shown.
Detection SE point by photo interrupter (PI)
Is being monitored. The detection plate swings the clutch lever 201.
The range of Xg to Xh to Xi is moved to the SE point
Corresponding. The range of Xg to Xi is not limited.
This will be described with reference to FIG. FIG. 146 is a section taken along the line α-α ′ in FIG. 145.
It is shown. Therefore, the thickness of the mold detection plate is X
The g part is L1, the Xh part is L2, and the Xi part is a hole.
It is clear that. The material of the detection plate 202 has a certain degree of light-shielding properties.
Material having a transmittance of about 25% with a thickness L2
It is controlled to be. Also, with the thickness of L1
Means that the transmittance is almost 0, and the transmittance is i
100%. That is, the detection unit S is a clutch lever
0% or 25% depending on the lift status
Is changed to 100%. This detects the absolute position, etc.
Since the method of performing this is equivalent to the first embodiment, it is omitted here.
I do. [0580] As described above, the clutch lever and the detector are separated.
By constructing the body, a result equivalent to that of the first embodiment is obtained.
However, if this configuration is used, the detection plate
Since it is not directly related to the switch lever, stress
Metallized or reinforced material for the clutch lever inside
Can be used, and the detection plate itself generates stress.
Because there is no place to generate
Material strength is not required if only the formality is considered, so it is stable
It is possible to supply the detected unit at low cost. Next, FIG. 147 to FIG.
A description will be given of a modification in which the protruding portion is separated. FIG. 147 shows a modification of the second embodiment.
Main part enlarged view showing the clutch lever in the locking mechanism
It is. In FIG. 147, the clutch lever 203
Is equivalent to FIG. 145.
It is assumed to be equivalent to the embodiment. [0584] The detection plate 204
Is fixed at the sensing part,
In this embodiment, the detection element is not a PI but a photo reflector.
-(PR). FIG. 149 is a perspective view of a main part.
As shown, a certain clearance is provided on one side of the detection plate 204.
Are arranged. The photoreflector has its terminals
The data is input to the processing circuit by a member (not shown). According to the lift state of the clutch lever 203,
The range monitored by the detection unit is Xj to X in FIG.
It changes in the range of k to XL. Shows the configuration of Xj to XL sections
Therefore, FIG. 148 shows a β-β ′ cross section. As is clear from FIG. 148, in this example,
The thickness L of the detection plate 204 is uniform, and an appropriate
The PR 205 is disposed at an appropriate distance x. Now, the PR (photo reflector) is detected
The output changes depending on the difference in the reflectance of the body.
Therefore, if Xj, Xk, and XL are the same reflectance, this detection
It is not possible to detect the position of the board. Therefore, the book
The detection plate is printed in the range of Xj to XL, and the Xj portion is
Reflectance is about 10%, Xk part is about 50%, XL part
It is configured to be about 90%. Of course, the detection plate
If a material with a smooth surface is used for the material 204, the XL part
Does not require printing, and the Xj part is
Make sure there is no reflective member behind
In this case, printing of the Xj portion is not required. Further control the reflectance
The method of rolling is not limited to printing.
The detection plate itself can be
The effect can also be obtained by color molding. As described above, according to this embodiment,
Measure the reflectance of the detector by printing or attaching tape.
Control of the detection plate
It can be set arbitrarily, and PR is the space on one side of the detection plate.
Configuration using only the source
It is possible. Next, a locking mechanism according to a third embodiment of the present invention will be described.
Will be described. FIG. 150 shows the locking mechanism of the third embodiment.
FIG. [0591] The motor 301 has a pinion 302
Is a motor that can rotate forward and reverse. Pinion above
Reference numeral 302 denotes a gear 31 via a reduction gear train (not shown).
1 and the rotational force of the motor 301 is
-311. Gear 31
A sun gear 312 with a common support shaft is integrated at the top of 1
Is formed. The ratchet wheel 315 has a thick circle.
It has a board shape and is provided with a notch 315f at one location on the outer periphery.
Have been. One side wall of the notch 315f is a vertical wall 315c.
And the other side wall is tapered downward.
A cam surface 315b is formed. [0593] At the center of the ratchet wheel 315
Is formed with a cylindrical insertion hole 315d,
In the center of the upper surface of the jet wheel 315, the insertion hole 31 is provided.
The cylindrical portion 315e having the same inner diameter as 5d is
It is vertically provided integrally with the wheel 315. And
The sun gear 312 pivots into the insertion hole 315d.
It is designed to fit in. The cylindrical portion 315e is
A notch is formed in a part of the peripheral surface, and
The sun gear 312 is located on the upper surface of the ratchet wheel 315.
Pin which is vertically provided at a position facing the notch near one end of
Fits on a planetary gear 313 that is rotatably mounted on 315a.
Are adapted. The planetary gear 313 is connected to the ratchet wheel 313.
Some friction between the top of the eel 315 (
Abbreviation), and as described above, the sun gear 31
2 are meshed with each other, so that the ratchet wheel 315
Will also rotate. [0595] Horizontal distance from the sun gear 312 is equal.
As shown in FIG. 151,
The shafts 220 and 240 and the shafts 230 and 250 (FIG. 15)
0 is not shown). These axes have
The drive system gears 221, 231, 241, 251 are respectively
The shaft is attached to the shaft. These drive system gears will be described later.
Connected to various drive shaft systems
It is the driving source of The notch 3 of the ratchet wheel 315
Click from below on one location on the 15f rotating arc.
The upper 360 is suspended. FIG. 152 shows the click stopper 36.
The ratchet wheel 315 is extended circumferentially at the center of 0
FIG. FIG. 152 shows the planetary gear 3
13, the drive system gear 221 as shown in FIG.
When the ratchet wheel 315 is engaged with the ratchet wheel 315,
The relationship with the lick stopper 360 is shown. The click stopper 360 is a guide
The holder 361 is slidably held in the vertical direction.
And the base 362 and the lower surface of the click stopper 360
Is biased upward by a spring 363 disposed between
ing. Then, the ratchet wheel 315 rotates
Then, the click stopper 360 reaches the notch.
So as to be pushed upward by the biasing spring 363.
Has become. [0599] The click stopper 360 is
To the lower part of the shaft for locking the wheel 315
The first flange 360a having a slightly larger diameter is
The guide holder 361 is located further below the flange 360a.
Second flange portion 360 having an outer diameter substantially equal to the inner diameter of
b. [0600] On the lower surface of the second flange portion 360b,
FIG. 152 in which the above-described spring 361 is in contact is shown in FIG.
50, it is stated that it is in the meshing state corresponding to FIG.
However, in this embodiment, the gear 221 is a shutter (not shown).
-This is the first gear of the mirror system, and the initial
It is a standby position. A gear 231 is a first-stage gear of a hoisting system.
Then, a spool (not shown) is rotated in the winding direction. Gear
241 is a first stage gear of a rewinding system, and a fork (not shown)
Rotate the gear in the rewind direction. These gears 221,
231 and 241 all drive the same mechanism as in the first embodiment
Is what you do. In the first embodiment, the sequence clutch
, The drive system is switched to three types.
One system is provided to enable switching to four systems. The gear 251 is the first gear of the delivery system.
Yes, sending out is a self-financing that has been proposed in recent years.
Compatible with patrone that has a mechanism to send out lum
It was done. That is, the delivery system is a patrone
Of the series that can rotate the inner shaft in the film feeding direction.
Therefore, a fork gear (not shown) is connected to the gear 241 by a planetary gear.
Is rotated in a direction opposite to the direction in which the gears mesh. Now, based on FIG. 152 to FIG.
The operation at the time of switching the scratch will be described. In FIG. 151, the sun gear 312 is indicated by an arrow.
When turned in the direction of the mark, the latching surface of the ratchet wheel
Due to the friction provided on the star gear,
152 and is turned in the direction of the arrow in FIG.
You. The ratchet wheel 315 moves in the direction of the arrow.
The cam surface 315b contacts the stopper 360 with the movement
You. The stopper 360 is urged upward by a spring.
However, the cam surface 315b makes the stopper 360 resist this spring force.
Has a slope suitable for moving it down.
The stopper 360 gradually moves downward with the movement of the
Move to. FIG. 153 shows this state.
The rotation is further advanced from the state of FIG.
The relationship of the files reaches the state shown in FIG. This state is on the cam surface
Lift is completed, and a stopper 360 is provided on the lowermost surface of the wheel.
Are in contact with each other, and the spring 363 is most charged.
It has been done. In this state, if the motor 301 is
If you do, the wheel will be a new locking surface for the stopper 360
The wheel has a notch again because it has not yet reached
The planetary gear is in the initial position.
Mesh. In actual control, the motor continues to rotate further
You. Then, the relationship between the stopper and the wheel is as shown in FIG.
You. The stopper 360 passes through the lowermost surface of the wheel,
It falls into the lockable position. The wheel 315 is shown in FIG.
As you can see, some of them are notched and the other three are at the bottom.
It has a flat surface at a position lower than the surface by a height t.
That is, the position of the stopper 360 in the state of FIG.
Depends on the relationship between the stopper 360 and the guide holder 361.
It is determined, but in the state of FIG.
The position of the stopper 360 is regulated by the portion. of course
The stopper is the wheel even during the switching period of FIGS. 153 and 154.
Against the spring. The motor is reversed in the driving direction in the state of FIG.
If you rotate it, the locking surface 315g is locked and the planet
The gear meshes with the gear 231 and rotates the spool in the winding direction.
Move. As described above, the relationship between the wheel and the stopper
Power can be alternatively transmitted to four drive systems
That is. Now, in the configuration of this camera, the initial position
The stopper 360 is in the free state only when the
When the other position (3 places) is locked,
Because it is regulated by a flat surface that is higher than the surface,
If the state of this stopper can be detected, the initial position
Can be detected in absolute position. In FIG. 152, reference numeral 371 denotes a guide hole.
Monitor the inside of the opening provided in a part of the rudder 361
It is a detection element arranged so that it may be. In this embodiment, the detecting element is a photoreflector.
(PR), a flexible printer (not shown)
The output is input to the processing circuit by a lint board or the like.
You. [0615] The photoreflector PR is an LED.
Obtain output by reflecting the amount of light projected on the test object
Now, FIG. 152, FIG. 154, and FIG.
In comparison, in the initial position state of FIG.
X1 between the second flange portions 360b facing the
Clearance occurs. However, in the switching state of FIG.
When the paper is pressed down, the photo reflector
The portion facing the PR is the same as the locking shaft of the stopper 360
And the clearance is x3. The state of the other locking surface in FIG.
The first reflector of the intermediate diameter is opposed to the photo reflector PR.
This is the flange portion 360a, and the clearance is x2. Here, the settings of x1, x2, and x3 are
X2 is about 50% of the output of x1 at the distance x1
3 is set so as to obtain an output of about 10%. As is clear from the above, the output corresponding to x1 is obtained.
Since the force is output only within the range that can lock the initial position,
By checking this PR output even after switching or during driving
Absolute position detection becomes possible. The wheel was continuously rotated in the switching direction.
FIG. 156 shows the photoreflector PR output in this case. However
The output here is the PI in the first embodiment shown in FIG.
Or the voltage value input to the CPU shown in FIG.
Shall be shown. In FIG. 156, the output waveform is
Wheel with constant current supplied to the LED of the collector PR
Is rotated, the clearance between the
The output of the reflector PR is x1 → V3, x2 → V
2, x3 → V1. That is, V3 corresponds to only the initial position.
Detects the rise of V1 to V3 corresponding to the cage switching section
By doing so, control to the initial position becomes possible. [0623] Also, the other locking positions are the rising from the initial position.
It can be controlled by counting the beam pulses. The detailed work when actually used for a camera etc.
Although the description is omitted here, the detection is performed in the first embodiment.
Similarly, the supply current on the LED side of the photo reflector PR is turned off.
It is preferable to perform more stable detection than to change
Not even. As described above, if this embodiment is used,
It moves in the same direction as the rotation axis of the sequence clutch.
Locking surface and stopper even for pin type stopper
Absolute position detection is possible only by detecting the relative position of
And can provide a very small and inexpensive mechanism.
You. As described above, each of the above embodiments is used.
For example, in a locking mechanism having a plurality of locking positions,
The relationship between the position and other locking positions
Change the position and monitor with a single sensor.
With a very simple configuration, the absolute position can be detected and locked.
What the mechanism can provide. In the embodiment, the above embodiment is replaced with a camera.
Although the examples used in the above are disclosed, of course,
Not limited to cameras, multiple locking positions
Extremely effective for any mechanism that has
It is. [0628] Furthermore, the level of the initial position is changed to another locking position.
Because the level is not output when shifting to the
That can provide an extremely strong and stable locking mechanism
It is. [0629] According to the present invention, as described above,
Simple configuration, high stability, reliable detection of absolute position
ToFor driving force transmissionCan provide a locking mechanism
Wear.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a top view of a camera to which a locking mechanism according to a first embodiment of the present invention is applied. FIG. 2 is a front view of the camera shown in FIG. 1; FIG. 3 is a bottom view of the camera shown in FIG. 1; FIG. 4 is a right side view showing a state in which a strobe is stored in the camera shown in FIG. 1; FIG. 5 is a rear view of the camera shown in FIG. 1; FIG. 6 is a right side view showing a state where flash photography is performed by the camera shown in FIG. 1; FIG. 7 is an enlarged top view of a main part showing a mode setting member in the camera shown in FIG. 1; FIG. 8 is a top view in center section of the camera shown in FIG. 1; FIG. 9 shows a WIDE end of a photographing optical system in the camera;
That is, it is a side view showing a state where the focal length f = 28 mm. FIG. 10 is a side view showing a standard state of a photographing optical system in the camera, that is, a state in which a focal length f is 70 mm. FIG. 11 is a diagram showing a TELE of a photographing optical system in the camera.
FIG. 4 is a side view showing an end, that is, a state where a focal distance f is 110 mm. FIG. 12 is a side view showing a collapsed state of a photographing optical system in the camera. FIG. 13 is an exploded internal perspective view of the camera. FIG. 14 is a block diagram showing power distribution in a power unit in the locking mechanism of the first embodiment. FIG. 15 is a perspective view showing the principle of a sequence clutch in the locking mechanism of the first embodiment. FIG. 16 is a model diagram showing a clutch unit in the locking mechanism of the first embodiment. FIG. 17 is a model diagram showing a clutch part in the locking mechanism of the first embodiment. FIG. 18 is a model diagram showing a clutch part in the locking mechanism of the first embodiment. FIG. 19 is a model diagram showing a clutch unit in the locking mechanism of the first embodiment. FIG. 20 is an enlarged sectional view showing a planetary gear according to the first embodiment. FIG. 21 is an enlarged sectional view showing another example of the planetary gear in the first embodiment. FIG. 22 is an exploded perspective view of a gear train from a motor to a clutch unit in the first embodiment. FIG. 23 is an exploded perspective view showing a gear train of a shutter / mirror system in the first embodiment. FIG. 24 is a side view showing the SM cam gear in the first embodiment. FIG. 25 is a cross-sectional view taken along the line AA ′ in FIG. 24, showing a cam for driving a mirror. FIG. 26 is a cross-sectional view showing the shutter charging cam, taken along the line BB ′ in FIG. 24; FIG. 27 shows a state where the SM cam gear and the mirror lever in the first embodiment are in a normal stop position (mirror down position).
FIG. 4 is an explanatory diagram showing the relationship when the information is in the state of FIG. FIG. 28 is an explanatory diagram showing a relationship when the SM cam gear and the mirror lever in the first embodiment are at the mirror up position. FIG. 29 is a perspective view of a main part of a mirror system in the first embodiment. FIG. 30 is an explanatory diagram in which each lever is modeled for the mirror operation of the mirror system in the first embodiment. FIG. 31 is an explanatory diagram in which each lever is modeled for the mirror operation of the mirror system in the first embodiment. FIG. 32 is a schematic view of a focal plane shutter used in the camera shown in FIG. 1 as viewed from the subject side. FIG. 33 is a top view of the vicinity of the BB 'section in FIG. 24, as viewed from above the camera. FIG. 34 is a top view of the vicinity of the BB 'section in FIG. 24, as viewed from above the camera. FIG. 35 is a bottom view of the timing board in FIG. 23 as viewed from below. FIG. 36 is a developed perspective view showing a gear train of a hoisting system in the first embodiment. FIG. 37 is a developed perspective view showing a gear train of a rewinding system in the first embodiment. FIG. 38 is an explanatory diagram showing a relationship between a clutch cam and a clutch lever in the first embodiment. FIG. 39 is an explanatory diagram showing a relationship between a clutch cam and a clutch lever in the first embodiment. FIG. 40 is an explanatory diagram showing a relationship between a clutch cam and a clutch lever in the first embodiment. FIG. 41 is an explanatory diagram showing a relationship between a clutch cam and a clutch lever in the first embodiment. FIG. 42 is a sectional view showing a section taken along the line CC ′ of the clutch lever shown in FIG. FIG. 43 is a developed view in which a circumference including a cam surface of the clutch cam in the first embodiment is developed. FIG. 44 is a perspective view showing a clutch lever and a photo interrupter SCPI in the first embodiment. FIG. 45 is a block diagram showing an application example of the position detecting device in the locking mechanism of the first embodiment. FIG. 46 is a timing chart illustrating a clutch mechanism during a photographing operation in the locking mechanism of the first embodiment. FIG. 47 is an electric circuit diagram showing a configuration of an electric circuit of a position detection mechanism in the camera. FIG. 48 is a diagram showing an output signal waveform of the photointerrupter SCPI in the first embodiment. FIG. 49 is a diagram showing an output signal waveform of the photo interrupter SCPI in the first embodiment. FIG. 50 is a diagram showing an output signal waveform of the photo interrupter SCPI in the first embodiment. FIG. 51 is a diagram showing an output signal waveform of the photo interrupter SCPI in the first embodiment. FIG. 52 is a flowchart showing a part of a main flow operation of the camera to which the locking mechanism of the first embodiment is applied. FIG. 53 is a flowchart showing a part of a main flow operation of the camera to which the locking mechanism of the first embodiment is applied. FIG. 54 is a flowchart showing a part of a main flow operation of the camera to which the locking mechanism of the first embodiment is applied. FIG. 55 is a flowchart showing a part of a main flow operation of the camera to which the locking mechanism of the first embodiment is applied. FIG. 56 is a flowchart showing a part of a main flow operation of the camera to which the locking mechanism of the first embodiment is applied. FIG. 57 is a flowchart showing a part of a main flow operation of the camera to which the locking mechanism of the first embodiment is applied. FIG. 58 is a flowchart showing a part of a main flow operation of the camera to which the locking mechanism of the first embodiment is applied. FIG. 59 is a flowchart showing a part of a main flow operation of the camera to which the locking mechanism of the first embodiment is applied. FIG. 60 is a flowchart showing a part of a main flow operation of the camera to which the locking mechanism of the first embodiment is applied. FIG. 61 is a flowchart showing a part of a main flow operation of the camera to which the locking mechanism of the first embodiment is applied. FIG. 62 is a flowchart showing a part of a main flow operation of the camera to which the locking mechanism of the first embodiment is applied. FIG. 63 is a flowchart showing a part of a main flow operation of the camera to which the locking mechanism of the first embodiment is applied. FIG. 64 is a flowchart showing a part of a main flow operation of the camera to which the locking mechanism of the first embodiment is applied. FIG. 65 is a flowchart showing a part of a main flow operation of the camera to which the locking mechanism of the first embodiment is applied. FIG. 66 is a flowchart showing a part of a main flow operation of the camera to which the locking mechanism of the first embodiment is applied. FIG. 67 is a flowchart showing a part of a main flow operation of the camera to which the locking mechanism of the first embodiment is applied. FIG. 68 is a flowchart showing a part of a main flow operation of the camera to which the locking mechanism of the first embodiment is applied. FIG. 69 is a flowchart showing a part of a main flow operation of the camera to which the locking mechanism of the first embodiment is applied. FIG. 70 is a flowchart showing a part of a main flow operation of the camera to which the locking mechanism of the first embodiment is applied. FIG. 71 is a flowchart showing a part of a main flow operation of the camera to which the locking mechanism of the first embodiment is applied. FIG. 72 is a flowchart showing a part of a main flow operation of the camera to which the locking mechanism of the first embodiment is applied. FIG. 73 is a flowchart showing a part of a main flow operation of the camera to which the locking mechanism of the first embodiment is applied. FIG. 74 is a flowchart showing a part of a main flow operation of the camera to which the locking mechanism of the first embodiment is applied. FIG. 75 is a flowchart showing a part of a main flow operation of the camera to which the locking mechanism of the first embodiment is applied. FIG. 76 is a flowchart showing a part of a main flow operation of the camera to which the locking mechanism of the first embodiment is applied. FIG. 77 is a part of a subroutine that constitutes a series of shutter release sequences of mirror up, aperture down, shutter release mirror down, aperture open film winding, and shutter charge in the camera to which the locking mechanism of the first embodiment is applied. It is a flowchart which shows. FIG. 78 is a part of a subroutine that constitutes a series of shutter release sequence of mirror up, aperture down, shutter release mirror down, aperture open film winding, and shutter charge in the camera to which the locking mechanism of the first embodiment is applied. It is a flowchart which shows. FIG. 79 is a part of a subroutine that constitutes a series of shutter release sequences of a camera to which the locking mechanism of the first embodiment is applied, from mirror up to aperture stop, shutter release mirror down, aperture open film winding, and shutter charge. It is a flowchart which shows. FIG. 80 is a flowchart showing a part of a shutter release processing operation of the camera to which the locking mechanism of the first embodiment is applied. FIG. 81 is a flowchart showing a part of a shutter release processing operation of the camera to which the locking mechanism of the first embodiment is applied. FIG. 82 is a flowchart showing a part of a shutter release processing operation of the camera to which the locking mechanism of the first embodiment is applied. FIG. 83 is a flowchart showing a part of a shutter release processing operation of the camera to which the locking mechanism of the first embodiment is applied. FIG. 84 is a flowchart showing a part of the autofocus operation of the camera to which the locking mechanism of the first embodiment is applied. FIG. 85 is a flowchart showing a part of the autofocus operation of the camera to which the locking mechanism of the first embodiment is applied. FIG. 86 is a flowchart showing a part of the autofocus operation of the camera to which the locking mechanism of the first embodiment is applied. FIG. 87 is a flowchart showing a part of the autofocus operation of the camera to which the locking mechanism of the first embodiment is applied. FIG. 88 is a flowchart showing a part of the autofocus operation of the camera to which the locking mechanism of the first embodiment is applied. FIG. 89 is a flowchart showing a part of the autofocus operation of the camera to which the locking mechanism of the first embodiment is applied. FIG. 90 is a flowchart showing a part of the autofocus operation of the camera to which the locking mechanism of the first embodiment is applied. FIG. 91 is a flowchart showing a part of an autofocus operation of the camera to which the locking mechanism of the first embodiment is applied. FIG. 92 is a flowchart showing a part of the autofocus operation of the camera to which the locking mechanism of the first embodiment is applied. FIG. 93 is a flowchart showing a part of an autofocus operation of the camera to which the locking mechanism of the first embodiment is applied. FIG. 94 is a flowchart showing an all-interruption prohibition processing operation in the camera to which the locking mechanism of the first embodiment is applied. FIG. 95 is a flowchart showing a part of an interrupt branch processing operation in the camera to which the locking mechanism of the first embodiment is applied. FIG. 96 is a flowchart showing a part of the interrupt branch processing operation in the camera to which the locking mechanism of the first embodiment is applied. FIG. 97 is a flowchart showing a part of the interrupt branch processing operation in the camera to which the locking mechanism of the first embodiment is applied. FIG. 98 is a flowchart showing a part of the interrupt branch processing operation in the camera to which the locking mechanism of the first embodiment is applied. FIG. 99 is a flowchart showing a part of an interrupt branch processing operation in the camera to which the locking mechanism of the first embodiment is applied. FIG. 100 is a flowchart showing a part of an interrupt branch processing operation in the camera to which the locking mechanism of the first embodiment is applied. FIG. 101 is a flowchart showing a remote control signal processing operation at a point where the remote control signal is interrupted and branched in a camera to which the locking mechanism of the first embodiment is applied. FIG. 102 is a flowchart showing an integration time detection processing operation in the camera to which the locking mechanism of the first embodiment is applied. FIG. 103 is a flowchart showing a threshold level adjustment processing operation at the time of position detection in a camera to which the locking mechanism of the first embodiment is applied. 104 shows an initial drive of a sequence clutch in a camera to which the locking mechanism of the first embodiment is applied,
9 is a flowchart showing a part of each processing operation of driving a sequence clutch to a mirror driving system position, driving to a winding driving system position, and driving to a rewind driving system position. FIG. 105 is a diagram illustrating an initial drive of a sequence clutch in a camera to which the locking mechanism according to the first embodiment is applied;
9 is a flowchart showing a part of each processing operation of driving a sequence clutch to a mirror driving system position, driving to a winding driving system position, and driving to a rewind driving system position. FIG. 106 shows an initial drive of a sequence clutch in a camera to which the locking mechanism of the first embodiment is applied,
9 is a flowchart showing a part of each processing operation of driving a sequence clutch to a mirror driving system position, driving to a winding driving system position, and driving to a rewind driving system position. FIG. 107 shows an initial drive of a sequence clutch in a camera to which the locking mechanism of the first embodiment is applied;
9 is a flowchart showing a part of each processing operation of driving a sequence clutch to a mirror driving system position, driving to a winding driving system position, and driving to a rewind driving system position. 108 shows an initial drive of a sequence clutch in a camera to which the locking mechanism of the first embodiment is applied,
9 is a flowchart showing a part of each processing operation of driving a sequence clutch to a mirror driving system position, driving to a winding driving system position, and driving to a rewind driving system position. FIG. 109 is a flowchart showing a part of an initial setting processing operation for driving a sequence clutch mechanism in a camera to which the locking mechanism of the first embodiment is applied. FIG. 110 is a flowchart showing a part of an initial setting operation for driving a sequence clutch mechanism in a camera to which the locking mechanism of the first embodiment is applied. FIG. 111 illustrates a SC to which the locking mechanism according to the first embodiment is applied when the sequence clutch is switched to be driven.
9 is a flowchart illustrating a part of a subroutine for A / D converting a Pi signal and detecting a falling edge of the signal. FIG. 112 illustrates a SC to which the locking mechanism according to the first embodiment is applied when the sequence clutch is switched and driven.
9 is a flowchart illustrating a part of a subroutine for A / D converting a Pi signal and detecting a falling edge of the signal. FIG. 113 illustrates a SC to which the locking mechanism according to the first embodiment is applied when the sequence clutch is switched and driven.
9 is a flowchart illustrating a part of a subroutine for A / D converting a Pi signal and detecting a falling edge of the signal. FIG. 114 is a flowchart showing a brake processing operation of a sequence clutch drive motor in a camera to which the locking mechanism of the first embodiment is applied. FIG. 115 is a flowchart showing a processing operation for averaging sorted A / D values in a camera to which the locking mechanism of the first embodiment is applied. FIG. 116 is a flowchart showing a part of the zoom drive processing operation in the camera to which the locking mechanism of the first embodiment is applied. FIG. 117 is a flowchart showing a part of a zoom drive processing operation in the camera to which the locking mechanism of the first embodiment is applied. FIG. 118 is a flowchart showing a part of a zoom drive processing operation in the camera to which the locking mechanism of the first embodiment is applied. FIG. 119 is a flowchart showing a part of a subroutine for driving a zoom from an arbitrary position to an optical wide position in a camera to which the locking mechanism of the first embodiment is applied. FIG. 120 is a flowchart showing a part of a subroutine for driving a zoom from an arbitrary position to an optical wide position in a camera to which the locking mechanism of the first embodiment is applied. FIG. 121 is a flowchart showing a subroutine used at the time of adjustment in processing for driving a zoom to an arbitrary position in a camera to which the locking mechanism of the first embodiment is applied. FIG. 122 is a flowchart showing a subroutine for performing zoom driving to a brake start position in a camera to which the locking mechanism of the first embodiment is applied. FIG. 123 is a flowchart showing processing for driving a zoom from an arbitrary position to a collapsed position in a camera to which the locking mechanism of the first embodiment is applied. FIG. 124 is a flowchart showing a part of a zoom motor braking process in the camera to which the locking mechanism of the first embodiment is applied. FIG. 125 is a flowchart showing a part of a brake process of a zoom motor in a camera to which the locking mechanism of the first embodiment is applied. FIG. 126 is a flowchart showing a part of processing for performing initial setting of zoom drive in a camera to which the locking mechanism of the first embodiment is applied. FIG. 127 is a flowchart showing a part of a process for performing initial setting of zoom drive in a camera to which the locking mechanism of the first embodiment is applied. FIG. 128 is a flowchart showing a part of processing of an output signal of ZMPi and an output signal of ZMPR in the camera to which the locking mechanism of the first embodiment is applied. FIG. 129 is a flowchart showing a part of processing of an output signal of ZMPi and an output signal of ZMPR in the camera to which the locking mechanism of the first embodiment is applied. FIG. 130 is a flowchart showing a part of processing of an output signal of ZMPi and an output signal of ZMPR in the camera to which the locking mechanism of the first embodiment is applied. FIG. 131 is a flowchart showing ZMPR determination processing in a camera to which the locking mechanism of the first embodiment is applied. FIG. 132 is a flowchart showing processing for detecting the rise and fall of the ZMPi signal in the camera to which the locking mechanism of the first embodiment is applied. FIG. 133 is a flowchart showing a part of a process related to a mechanical initial in the camera to which the locking mechanism of the first embodiment is applied. FIG. 134 is a flowchart showing a part of a process related to a mechanical initial in the camera to which the locking mechanism of the first embodiment is applied. FIG. 135 is a flowchart showing a part of processing relating to zoom initials in a camera to which the locking mechanism of the first embodiment is applied. FIG. 136 is a flowchart showing a part of processing relating to zoom initials in a camera to which the locking mechanism of the first embodiment is applied. FIG. 137 is a flowchart showing processing relating to initials of a mirror and a shutter in a camera to which the locking mechanism of the first embodiment is applied. FIG. 138 is a diagram showing an example of a PCV sounding cycle in a camera to which the locking mechanism of the first embodiment is applied. FIG. 139 is a diagram showing another example of the sounding period of the PCV in the camera to which the locking mechanism of the first embodiment is applied. FIG. 140 is a diagram showing another example of the sounding period of the PCV in the camera to which the locking mechanism of the first embodiment is applied. FIG. 141 shows the result of A / D conversion of the output voltage of SCPi by the CPU in the camera to which the locking mechanism of the first embodiment is applied, the vertical axis, and the rotational position of the sequence clutch cam on the horizontal axis. FIG. FIG. 142 shows the result of A / D conversion of the SCPi output voltage by the CPU in the camera to which the locking mechanism of the first embodiment is applied, and the horizontal axis shows the rotational position of the sequence clutch cam. FIG. FIG. 143 is a view showing a camera to which the locking mechanism of the first embodiment is applied, a lens frame cam rotation angle driven by a zoom motor, a ZMPR output signal output with the rotation of the lens frame, and a ZMPi output. Signal and further collapse position, wide,
It is a diagram showing a tele position and other relationships. FIG. 144 is a diagram showing how the output signal of the ZMPR is A / D converted to determine “H” or “L” in the camera to which the locking mechanism of the first embodiment is applied. FIG. 145 is an enlarged view of a main part showing a clutch lever in a locking mechanism according to a second embodiment of the present invention. FIG. 146 is a sectional view showing an α-α ′ section in FIG. 145; FIG. 147 is an enlarged view of a main part showing a clutch lever in a locking mechanism according to a modification of the second embodiment. FIG. 148 is a cross-sectional view showing a β-β ′ cross section in FIG. 147. FIG. 149 is a perspective view showing a photo reflector in the locking mechanism of the second embodiment. FIG. 150 is a perspective view showing a locking mechanism according to a third embodiment of the present invention. FIG. 151 is a top view of the locking mechanism of the third embodiment. FIG. 152 is a developed view in which a ratchet wheel is circumferentially developed at the center of a click stopper in the locking mechanism of the third embodiment. FIG. 153 is a development view in which a ratchet wheel is circumferentially developed at the center of a click stopper in the locking mechanism of the third embodiment. FIG. 154 is a developed view in which a ratchet wheel is circumferentially developed at the center of a click stopper in the locking mechanism of the third embodiment. FIG. 155 is a developed view in which a ratchet wheel is circumferentially developed at the center of a click stopper in the locking mechanism of the third embodiment. FIG. 156 is a diagram showing output signals of a photo reflector in the locking mechanism of the third embodiment. FIG. 157 is a table 1 illustrating flags F_TSYS0, 1 and an operation state of the camera in the camera to which the locking mechanism of the first embodiment is applied. FIG. 158 is a table 2 illustrating flags F_CNTT0,1 and a film state inside the camera in the camera to which the locking mechanism of the first embodiment is applied. FIG. 159 shows a mirror-up / mirror-down subroutine and a flag F_UTY for controlling the subroutine in the camera to which the locking mechanism of the first embodiment is applied.
Table 3 is a table for explaining a relationship between Nos. 3 and 4 and mirror and aperture driving. FIG. 160 is Table 4 explaining interrupt factors and factors permitted depending on the state of the camera in the camera to which the locking mechanism of the first embodiment is applied. FIG. 161 is a bitmap showing interrupt factors in Table 4 in a camera to which the locking mechanism of the first embodiment is applied. FIG. 162 is a bitmap showing interrupt factors in Table 4 in the camera to which the locking mechanism of the first embodiment is applied. FIG. 163 is a perspective view showing a camera to which the locking mechanism according to the first embodiment is applied;
9 is a table 7 showing internal flag settings. FIG. 164 is a table 8 showing a relationship between a change in the zoom photo-reflector and the zoom photo-interrupter at the time of zoom driving and a zoom pulse counter in the camera to which the locking mechanism of the first embodiment is applied. FIG. 165 is a table 9 showing a relationship between a change in the zoom photo-reflector and the zoom photo-interrupter at the time of zoom driving and a zoom pulse counter in the camera to which the locking mechanism of the first embodiment is applied. FIG. 166 is a collapsed position where a lens is housed in a camera to which the locking mechanism of the first embodiment is applied,
The state of being extended to the wide position at the time of shooting and the flag F_ZM
Table 10 showing the relationship between SNK and the flag F_LNSSNK
It is. FIG. 167 shows a retracted position where a lens is housed in the camera to which the locking mechanism of the first embodiment is applied,
The state of being extended to the wide position at the time of shooting and the flag F_ZM
Table 11 showing the relationship between the SNK and the flag F_LNSSNK
It is. [Explanation of Signs] 1 ... photographing lens 2 ... release button 11 ... mirror frame 12 ... mirror box 13 ... shutter unit 14 ... motor 15 ... patrone 16 ... spool chamber 22 ... power unit 26 ... shutter charge lever 27 ... mirror drive lever 31 41, sun gears 32, 43 planetary gears 33, 45 shutter-mirror drive system first-stage gears 34, 46 ... winding drive system first-stage gears 35, 44 ... rewind drive system first-stage gears 36, 42 ... clutch cams 37, 47 … Clutch lever SCPI… Photo interrupter

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-3-208033 (JP, A) JP-A-59-232322 (JP, A) JP-A-59-232324 (JP, A) JP-A-59-232324 228231 (JP, A) Actually open 1979-201916 (JP, U) (58) Fields investigated (Int. Cl. ⁷ , DB name) G03B 17/00 F16H 1/00-3/78 F16H 19/00- 37/16 F15H 48/00-49/00

Claims (1)

(57) [Claim 1] A single drive source for driving one of a plurality of driven parts and for selectively driving one of the plurality of driven parts; A first gear that constantly receives and rotates the driving force of the source, and constantly rotates while meshing with the first gear, and meshes with one of the gears of the plurality of driven parts, at a position of the plurality of driven parts. A second gear that can move to a corresponding plurality of positions, and that can move by itself according to the driving force received by the second gear, and that the driving force of the driving source is transmitted through the second gear. In order to select and transmit the plurality of driven parts, the second gear is rotatably supported, and the second gear is driven when the second gear is driven in one direction by the drive source. there together rotated be in any of the plurality of locations, themselves become immovable, the second gear above As the second gear with the above one direction Dogen is the second gear when subjected to driving in the opposite direction in the other direction to rotate to move to the one of the plurality of positions, even his mobile A second gear supporting member that can be used, and the plurality of second gear supporting members for disabling movement of the second gear supporting member when the second gear is driven in one direction by the driving source. A locked portion provided at a position corresponding to each of the positions, and a locking portion that is displaced at each of the plurality of locked portions and locks the locked portion, and The amount of displacement of the locking portion at one predetermined locked portion of the plurality of locked portions is different from the amount of displacement at another locked portion, and the second gear is driven by the drive source. A locking unit that does not lock the locking portion and the locked portion when driven in the other direction opposite to the one direction. A set of detection members having a single light-emitting portion and a single light-receiving portion for detecting the displacement of the locking portion , provided on the locking means, and according to the position of the locking portion A light amount control unit that transmits or reflects an amount of light from the light emitting unit and inputs at least three light amount information to the light receiving unit; the predetermined locked portion; and another locked portion, Control means for controlling the movement position of the second gear support member by detecting only the detection member by judging the light amount from the light amount control unit to determine that the locking portion is displaced. And locking mechanism.