JPH03253826A - Automatic photographing device for camera - Google Patents

Abstract

PURPOSE:To take a picture whose scene is changed on a camera side by making a motor-driven zoom mechanism, which changes the focal distance of a photographing lens with the aid of driving a motor, function when consecutive automatic photographing is executed. CONSTITUTION:When a wide switch is turned on, a zoom motor is driven, and a zoom lens is driven in an identical direction shown by an arrow F further from a time point that the wide switch is turned off in the case of consecutive actions. Then, by rotating the zoom motor forward and stopping it, the backlash of a mechanical system is eliminated. In the case of step zoom, the backlash is eliminated by a method when the zoom motor is rotated forward after it is rotated backward from a step zoom stop position in a way shown by the arrow G and returned to the step zoom stop position again. For example, when a telephoto end is selected by operating a TW button 18, the zoom motor is rotated forward in the way shown by the arrow H and the movement of a lens is stopped at the telephoto end. Thus, the different images of a scene are obtained.

Description

[Detailed Description of the Invention] [Industrial Application Field] This invention has a mode such as a self-timer mode that automatically executes multiple shootings, and a zoom means that changes the focal length of a lens using a motor. This invention relates to an automatic photographing device for a camera.

[Prior art and problems to be solved by the invention] Generally, many cameras are equipped with a self-timer photography function, and this function is mainly used when taking pictures of people, including the photographer himself. used.

The conventional self-timer function was intended for single-frame photography in which the shutter is released only once after a predetermined period of time has elapsed since the shutter button was pressed.

However, recently, cameras have been proposed that have the ability to take multiple shots in succession by simply pressing the shutter button once. The purpose of automatic shooting multiple times is considered to be for reprinting or to obtain images from different scenes.

Focusing on the second purpose here, in order to change the scene, it is common for the person who is the subject to change the pose, but if the camera could also take an image with the scene changed. , becomes more preferable.

On the other hand, when shooting with a self-timer, the shutter is released after a predetermined period of time has elapsed after the photographer looks through the viewfinder and frames the photo. It is not necessarily the same as. In particular, when a plurality of images are taken for the above-mentioned second purpose, there is a high possibility that the person who is the subject will move, and there is also a risk that the subject located at the periphery of the screen may be omitted.

=3- [Object of the invention] This invention was made in view of the above problems, and
To provide an automatic photographing device for a camera, which can take photographs of different scenes on the camera side when consecutive automatic photographing is performed multiple times, and furthermore can prevent objects located at the periphery of the screen from being omitted. With the goal.

[Means for Solving the Problems] The present invention operates an electric zoom mechanism that changes the focal length of a photographic lens by driving a motor during continuous automatic photographing, and changes the focal length between one photograph and another photograph. It is characterized by changing.

Furthermore, the above method is characterized in that at least one photographing is performed with the focal length changed to a wider side than the set one.

[Function] According to the above configuration, images of different scenes can be obtained by automatically changing the focal length of the photographing lens on the camera side, and furthermore, when the focal length is changed to the wide side, the image By widening the corners, it is possible to prevent the subject from being omitted from the periphery.

[Embodiment] The present invention will be explained below based on the drawings. 1 to 43 show an embodiment of an automatic photographing device for a camera according to the present invention.

First, the appearance of the camera will be explained according to FIGS. 1 to 3.

In FIG. 1, 1 indicates a camera body, and 2.3 indicates a zoom lens barrel. As shown in FIG. 2, the front side of the camera body 1 is provided with a distance measuring section 4, a finder window 5, a zoom type strobe 6, a light receiving element (CdS), and a self-timer lamp 7. Back cover 8,
Mode button 9, select button 10. A drive button 11, a zoom lever 12, a power button 13, a green lamp 14, a red lamp 15, and a back cover release lever 16 are provided, and the back cover release lever 16 is operated in the direction of the arrow from its upward stop position to its downward stop position. Then, the back cover 8 is opened. When the back cover 8 is open, the back cover release lever 1
6 is at the lowering stop position, and when the back cover 8 is closed, the back cover release lever 16 is raised.

At the top of the camera body 1, as shown in FIG. 1, a shutter button 17, a TW button 18, and an LCD panel 19 are provided. Note that the TW button 18 is a button used to select and designate two positions located at opposite ends of the zoom lens.

The zoom lever 12 is operated from the neutral position in the direction of the arrow indicating the wide side and the telephoto side. This zoom lever 12 is also used to change the exposure method and photographing method, which will be described later, but this will be explained together when the functions of the mode button 9 and drive button 11 are explained.

Next, the circuit configuration of the above-mentioned camera will be explained based on FIG. 4.

The main CPU is the center of this control circuit. A sub-CPU that performs shutter-related processing is connected to this main CPU via a drive IC.

The main CPU performs the following controls based on inputs from information input means such as switches.

6- (1) Control the zoom motor and wind motor via each motor drive circuit.

(2) Controls the lighting and blinking of the green lamp 14 for distance measurement related displays, the red lamp 15 for flash related displays, and the self-timer lamp 7 for self-timer related displays.

(3) Control the display on the LCD panel 19.

(4) Perform charging control of the strobe circuit.

As a means of inputting information to the main CPU,
There are the following:

(1) A main switch that is turned on by operating the power button 13. When this main switch is in the power-on/stop state, pressing the power button 13 once will turn on the power, and even in the power-on state, pressing the power button 13 will turn on the main switch and stop powering on. .

(2) A photometry switch that is turned on by pressing the shutter button 17 one step.

(3) A release switch that is turned on by pressing the shutter button 17 in two steps.

(4) Move the zoom lever 12 from the neutral position to the telephoto side (arrow r
A teleswitch that turns on by pushing it in one direction.

(5) A wide switch that is turned on by tilting the zoom lever 12 from the neutral position to the wide side (in the direction of arrow r2).

(6) A zoom mode switch used to switch the operating state of the zoom lens between step operation and continuous operation. Details of the step motion and continuous motion will be described later.

(7) A mode switch that is turned on by pressing the mode button 9. Note that the mode button 9 is used to set the exposure method.

(8) A drive switch that is turned on by pressing the drive button 11. The drive button 11 is used to change the shooting method.

(9) A select switch that is turned on by pressing the select button 10. The select button 10 is used to select the number of self-timer images, interval start time, interval time, etc. of the photographing method.

(10) Zoom code zco, zct, ZC2°cono zoom - The code τ is used to control the position of the lens, display the focal length, etc., and the details will be described later.

(11) Push down the back cover release lever 16 to turn OFF L
, when the back cover 8 is closed and the lever is raised to the lock position, O
Back cover switch that turns N.

(12) Wind pulse switch for detecting film running. This will also be discussed later.

Next, details of the zoom mode switch, wide switch, and tele switch will be explained.

The zoom-related switch is composed of a brush provided on the zoom lever and a contact point, and although the positional relationship of each contact point is shown in FIG. 5, the switch itself will be explained. The wide switch is ON on the wide side, and the ON1 tele switch is ON on the tele side.

The wide switch and tele switch are OFF when the zoom lever is in the neutral position. The zoom mode switch is ON from the middle of the wide switch through the neutral position to the middle of the tele switch. The zoom mode switch is turned OFF when the wide switch is halfway to the wide side, and when the tele switch is halfway to the tele side.

Step operation and continuous operation are distinguished by 0N10FF of this zoom mode switch. This zoom mode switch, tele switch, and wide switch are turned on and off.
Depending on the combination of FFs, five types of information can be input to the main CPU. This information is used for zoom operations or for shooting/exposure method settings. For example, during a zoom operation, information on forward/reverse rotation of the zoom motor, switching information between step operation and continuous operation is input to the main CPU.

On the other hand, the sub-CPU controls the distance measurement unit using the infrared LED and PSD via the autofocus IC, and also collects distance measurement data based on the output of the autofocus IC and photometry data based on the output of the CdS. Main C
Transfer to PU.

The drive rc controls the shutter circuit and outputs a trigger signal to the strobe circuit based on commands from the sub CPU.

Next, the functions of the mode button 9 and drive button 11 will be explained.

0- The mode button 9 has the function of setting an exposure method.

As shown in FIG. 6, three types of exposure methods are available: auto (automatic strobe flash mode), strobe ON (strobe forced flash mode), and strobe OFF (strobe flash prohibition mode). In Figure 6,
Display marks corresponding to each exposure method are shown, but in the case of auto, there is no display. In addition, one counter EXPMODE (hereinafter, EXPMO
(abbreviated as DE) is prepared, and EXPMODE “OH
" corresponds to auto, "IH" corresponds to strobe 0N1r2J corresponds to strobe OFF. When the mode button 9 is operated, the contents of EXPMODE are changed.

The drive button 11 has a function of setting a shooting method. As shown in FIG. 7, five types of photographing methods are prepared here: (1) frame-by-frame photography, self-timer, self-TV 1 interval, and midway rewind. Although display marks corresponding to each photographing method are also shown in FIG. 7, they are not displayed when single-frame photographing is performed. In addition, a force 1 counter DRIVMODE (hereinafter abbreviated as DRrVMODE) is prepared corresponding to the shooting method, and this (7) DRIVMODE
OOOOB J is a single frame shooting, ``0001BJ is a self-timer, and roloJ is a self-TV.

rollJ is an interval, "IX
1", and the self TW will be described later.

When the drive button 11 is operated, the DRIVMODE is changed. This EXPMOD is displayed on the LCD panel 19.
Display is performed based on E and DRrVMODE, and control during photographing is also performed based on these. Note that if the drive button is held down for 3 seconds or more, the shooting method changes to a mid-rewind mode.

In the interval mode, the interval start time and interval time can be set.

Here, the interval start time is a time for specifying how many minutes (seconds or hours) must pass from the current point in time when the interval mode is set to enter the interval mode. Furthermore, the interval time is the time from shooting to when the next shooting is performed. In the self-timer mode, five types of self-timer number of shots are available.

Next, the display contents of the LCD panel 19 will be explained with reference to FIG. Mode button 9, drive button 1
The exposure method mark and photographing method mark according to No. 1 are displayed in each display area according to their respective aspects, and since the meaning of each mark has already been described, the remaining marks will be explained.

In FIG. 8, "INTJ" means that the imaging method is interval, and "←→" below it is displayed when setting the interval time.

"S" to the left of rlNT,H is displayed when setting the interval start time. At the same time, the [- field under "S" is also displayed. 20 is a battery mark, 21 and 22 are segment display areas, and 21 is a display area for displaying focal length, interval start time, and interval time. rmmJ is a unit mark that lights up when displaying the focal length and means millimeters, "S" is seconds, "m" is minutes,
"h" means the unit of time, and lights up when the time is displayed during interval shooting. Here, 3-[+11] and [n+m] share a segment.

These r s, m, h, mm J are selected according to each aspect.

The display area 22 is for displaying the number of shots, and rEX,1 is a number mark indicating the unit of shooting. The battery mark 20 lights up when the battery is exhausted.

FIG. 9 is an explanatory diagram of the zoom code. The zoom code plate is constructed as a part of the zoom lens barrel, and has a pattern as shown in FIG. The hatched portion of the zoom code plate is configured as a contact point, and the four brushes come into contact with each other. For brushes located at GND, the brush itself is grounded to GND,
It works to drop the zoom code board to GND. Signals are taken out from other brushes, and ZCOSZCI and ZC2 take a signal of "0" when the brushes are in contact, and a signal of "1" when the brushes are not in contact. In this specification, 3-bit information detected from the conduction relationship between these terminals is defined as a zoom code. Further, in this control camera, a lens position code PO8 (hereinafter referred to as POS) and a focal length 14-distance code DIV (hereinafter referred to as DIV) are determined based on the zoom code for zooming control.

PO8 here means that the lens is in the storage position (P
O5-0), be in the lens stop prohibition range H (PO5-1) between wide end and storage position, wide end (PO5-2)
, at the tele end (PO5-41), and in the zoom range (PO8-3) between the wide end and the tele end.The focal length code DIV is divided into 21 parts and used to detect the lens position. rHV in the figure is a hexadecimal number.

In addition, in FIG. 9, the wide end of PO3-2 is also expressed as having a constant width, but this portion actually has no width. That is, PO3-2 occurs only when the lens is set to the wide end. P.O.
The same applies to the telephoto end of 5-4. ZC which is a contact point
2 is used for wide end and telephoto end detection.

On the other hand, in the zoom range, as described above, there are 21 divisions corresponding to the focal length of the photographic lens, but the 20 stages must be divided using 2 bits. Therefore, in this example, a relative code structure is adopted in which zoom codes 5, 4, and 6.7 are repeatedly made to correspond to DIV-IH to 14H with 15- corresponding to them.

With such a configuration, it is not possible to identify a single focal length code that corresponds to the focal length of the lens from only statically detected zoom codes. The focal length code stored in the memory is sequentially rewritten while detecting the current focal length code to determine the current focal length code. Note that the focal length is displayed from 38 mm to 90 mm, and corresponds to each DIV as shown in FIG. 9.

In addition, in Fig. 9, the stop position of the lens when the lens is moved in a step operation state is indicated by "・", but the lens stop position during this step operation is This position was selected so that the focal length display would not change when mechanical backlash was removed.

That is, in the camera of this embodiment, when the zoom motor stops reversing, the zoom motor is rotated forward and then stopped in order to eliminate backlash in the mechanical system. This is because if the distance is changed to the long focal length side, there is a possibility that the operator may feel uncomfortable.

The movement of the zoom lens will be explained with reference to FIG.

■When the lens is in the stored state and the power is turned on, the zoom motor rotates forward and the lens moves toward the wide end as shown by arrow A.

- When the power is turned on and off while the lens is in the zoom range, the zoom motor is reversed and the lens moves as shown by arrow B, thereby retracting the lens. In this case, there is no need to remove backlash because no photograph is taken.

For example, when the wide end is selected by operating the TV button 18, the zoom motor is reversed and the zoom lens is driven, as shown by arrow C, until the wide end is exceeded. The zoom lens is driven 50m5 in the same direction even after the wide end is detected. And 50m
After 5 lapses, the zoom motor is rotated forward and the zoom lens is stopped at the wide end.

17- (1) When the teleswitch is turned on, in the case of continuous zoom, the lens is driven as shown by the arrow until the teleswitch is turned off. In the case of step zoom, the zoom motor is rotated forward and stopped at the next stop position as shown by arrow E.

(2) When the wide switch is turned on, the zoom motor is driven in the case of continuous operation, and the zoom lens is further driven in the same direction by 70 m8 from the time when the wide switch is turned on, as shown by arrow F. Then, the zoom motor is rotated forward for 50 m5 and then stopped.

This eliminates mechanical backlash.

In the case of step zoom, backlash is removed by rotating the motor 50 m5 in the reverse direction from the step zoom stop position as shown by arrow G, then rotating forward, and then returning to the step zoom stop position again.

(2) For example, when the TV button 18 is operated to select the telephoto end, the zoom motor is rotated forward as shown by arrow H, and the movement of the lens is stopped at the telephoto end.

Next, the winder 18 detects the running state of the film. The pulse switch will be explained.

The wind pulse switch, as shown in Figure 11,
It consists of a signal sprocket with a protrusion around the periphery that engages with the perforations of the film and a triangular prism-shaped contact piece pressing part formed on the shaft, and a contact part consisting of a movable contact piece and a fixed contact piece.

The movable contact piece is in elastic contact with the contact piece pressing portion of the signal sprocket, is intermittently displaced to the fixed contact side as the signal sprocket rotates, and repeatedly comes into contact with and separates from the fixed contact piece.

The wind pulse switch inputs a signal of 0 to the main CPU when each contact piece comes into contact and is in a conductive state (ON), and a signal of 1 when the contact pieces are in a non-conductive state (OFF).

Next, process the signal input of the wind pulse switch in the first step.
This will be explained based on FIG.

When processing a signal from a switch that outputs an 0N10FF signal by repeating this type of conduction and non-conduction, chattering may occur when the signal is switched. Conventionally, in order to prevent the effects of such chattering,
Control is used in which the signal is determined to be correct if the same signal continues for a certain period of time, instead of being judged based on instantaneously obtained signals.

In addition to the above control, this camera does not perform signal detection in areas where the signal theoretically does not change between one signal change and the next, making it less susceptible to chattering. . Specifically, the wind pulse signal is
0N10FF is repeated at a constant cycle, and the interval between changes is designed to be 12m5 or more. Therefore, since the signal does not change at least within 10 m5 after the signal changes, signal detection is stopped during this time. Such processing can further reduce the influence of chattering.

Next, the operation of the above camera will be explained based on a flowchart.

- <Reset Process> When the battery is installed, the reset of the main CPU of the camera is canceled, and the program is executed from the reset process shown in FIG. 13.

20- First, all memories are initialized (step RTI). Next, all switch signals are input (
Step RT2). Then, the exposure and shooting method initialization processing shown in FIG. 14 is executed, and EXPMODE, DR
IVEMODE is initialized (step RT3). Through this initialization, each memory has the following contents: photographing method, single-frame photographing, exposure method, number of automatic self-timer shots of 1, interval start time 10 seconds, and interval time 10 seconds.

Next, the zoom initialization process shown in FIG. 15 is executed (step RT4).

In this camera, the zoom code is a relative code as described above, so if the battery is removed and the memory contents are discarded, the camera itself will no longer be able to determine the current position of the photographic lens. In such a case, the zoom initialization process is performed to temporarily return the photographing lens to the storage position, which is the absolute code.

In the zoom initialization process, a zoom code input process is performed (step ZMI), and it is determined whether the zoom code 21- is "2" (step ZM2).

When the zoom code is "2", the lens is already in the storage position, but to confirm that the reset has been applied, rotate the zoom motor forward, wait 100m5 (step ZM3.2M4), and proceed to step ZM5. Execute. If the zoom code is not "2", directly step Z
Move to M5.

Next, in step ZM5, the zoom motor is reversed, and in step ZM6.2M7, while inputting the zoom code, it is determined whether the zoom code is "2".

When it is determined that the zoom code is "2" in step ZM7, the process moves to step ZM8, where zoom motor brake processing is executed, and then POS is initialized (step ZM9), and reset processing is performed. Return to.

Through the above process, the lens is set to the POS-O storage position, the reset process is completed, and the control proceeds to the lock process.

- (Lock Processing) 22- Figure 16 shows the locking process. This process is performed when the camera is switched from the shooting standby state to the storage state by operating the main switch or by automatic storage described later. This is a low power standby process.

Here, it is assumed that the power is turned on and off by operating the main switch, a film is set in the camera, the back cover 8 is closed, and a predetermined number of films are being loaded. In addition, we will begin the explanation by assuming that the camera is in a state where the lens is stored.

First, a 30 minute timer is started (step LO
I). This 30-minute timer is set immediately before the lens is automatically retracted to the locked position using the MVPO5°EXPMOD
Used to clear the contents of ESDRIVMODE after 30 minutes. The lens is automatically retracted and
This is because if the camera is not operated in any way even after more than a minute has passed, it can be assumed that the lens has simply been forgotten to be retracted.

Next, the entire display on the LCD is turned off (step LO2).

3 And the flag? It is determined whether FLEXZ is "0" or "l" (step L03). flag? FLE
XZ is used to determine whether or not a film is attached.

flag? FLEXZ is "0" when no film is set in the camera. Here, we assume that the film is set correctly, so is there a flag? FLEXZ is “
1”.

flag? When FLEXZ is set to “1”,
Film number display processing is executed (step L04)
. In the film number display process, as shown in FIG. 17, it is determined whether the film number counter is equal to or greater than "10" (step FPI). When the number of films counter is ``10'' or more, the number of films is displayed using the display area of ``10'' and the display area of ``1'' (step FP2).

When the film number counter is less than "10", the number of films is displayed in the "10" display area.

Then, the previous state of the main switch (power button) is stored in memory (step LO5).

By the way, the flag? When FLEXZ is "0", step LO5 is directly executed. flag? FLF, XZ is “1
24-, step LO4 is always executed. Therefore, when film is set in the camera, the number of films is displayed on the LCD panel even if the power is turned on or stopped.

Next, the current signals of the main switch and back cover switch are input (step LO6). Then, it is determined whether the 30 minute timer has timed up (step LO7).
). When the 30 minute timer times up, is there a flag?
Set AUTORET to "0" (step L08
). This flag? AUTORET is used to determine whether to return the camera to the operating state before the lens was automatically retracted if the power button is pressed within 30 minutes after the lens is automatically retracted.

Then, it is determined whether or not loading of the film has been completed (step LO9). Is this a flag? L
DEND is used. flag? LDEND is set to "l" when film loading is completed, and is set to "0" when film loading is not completed. In other words, when the camera back switch is OFF,
0”. Flag=25? When LDEND is "0", the process moves to step LO17, but since the explanation here assumes that film loading has ended, the flag? LDEND is rl
J is set, and the process moves to step Roll.

In step L011, it is determined whether the camera back switch is ON or OFF.

Here, the camera back switch is ON, so step L
Move to O12. In step LO12, it is determined whether there has been a change in the main switch. This determination is made by comparing the previous contents of the main switch stored in the memory with the contents of the main switch input this time. If the previous contents of the main switch and the contents of the main switch input this time are the same,
Assuming that there is no change in the main switch, a low current consumption mode process in which the process is put on standby every 500 m5 is executed (step LO13), and the process returns to step LO5. Therefore, the camera CPU continues to operate in the low current consumption mode.

Next, assume that the back cover 8 is opened during operation in this low current consumption mode. When the back cover 8 is opened, the back cover switch 6 is turned off, so in step Loll, it is determined that the back cover switch is OFF. When this back cover switch is set to OP, the process moves to step LO14.

In steps LO14 and LO15, the above-mentioned exposure and photographing method initialization processing and winder system initialization processing are performed.

In this initialization process of the winder system, as shown in FIG. LDEND, 7 lag? FLEXZ,
7 lag? REWEND is set to "0" (steps WSI, WS2, wsa). Further, the film number counter is also cleared, and the LCD panel does not display the number of films (steps WS4, WS5).

Next, in step L016, the flag? AUTORET
is set to "0" and the process moves to step LO12.

If you leave the back cover open, will it turn into a flag? L.D.
Since END is "0", in step LO9,
flag? It is determined that LDEND is "0", and the process moves to step LO17. In step L017, it is again determined whether the camera back switch is ON or OFF.

If the back cover 8 is left open, the CPU will run at low 2 in this state.
7- Operate in current consumption mode. Here, when the back cover 8 is closed, it is determined in step LO17 that the back cover switch is ON, and the loading process (step LO18) shown in FIG. 19 is executed.

Next, it is assumed that the CPU continues to operate in the low current consumption mode, and that the power button 13 is operated at this time. Then, in step LO12, it is determined that there has been a change in the main switch, and the process moves to step LO19. In step LO19, it is determined whether the main switch is turned on or turned off.

Press the power button 13 to turn the main switch from OFF to O.
Since the main switch is determined to be "ON" in step L019, the process proceeds to step LO20. Flag at step LO20? AUTORET is “
It is determined whether it is "0" or "1". flag? A.U.
TORET is set to 1 when the camera is left unattended for 3 minutes and automatically stored in the main processing described later.

Here, it is assumed that the power was turned on and off by the main switch last time, and the flag? Assume that AUTORET is "0"28. flag? If AUTORET is "0", exposure method/photography method initialization processing is executed in step LO21, and then wide movement 1 processing is executed in step LO22. Then, the process moves to main processing. Note that the processing of wide movement 1 will be described later.

flag? If AUTORET is 1, that is, the power button 13 is pressed before 30 minutes have passed after automatic storage. Then, in step LO12, the previous memory of the main switch and the contents of the current main switch are compared, and it is determined that there has been a change in the main switch, and the process moves to step LO19, where it is determined whether the main switch is ON or OFF. It is determined whether Since the main switch is turned on by pressing the power button 13, the process moves to step L020 and the flag? AUTORET is “1”
” or “0”. flag? A.U.
TORET is "1" after 3 minutes and before 30 minutes.
Since it remains set, the flag ? remains set in step LO20. It is determined that AUTORET is rg, and 9 processes of steps LO23 to LO26 are executed. Flag in step L023? A.U.
TORET is set to "0". Step LO24
Then, exposure method display processing is executed. Step LO25
Then, shooting method display processing is executed. Step LO26
Then, lens automatic return processing is executed. This step L
Through the processing from step LO23 to step LO26, the camera:
Returns to the state immediately before the lens was automatically retracted.

- (Loading process) In the loading process, as shown in FIG. 19, the exposure method is set to auto and the shooting method is set to single frame shooting (step LDI).Interval start time,
Interval time initialization is performed and each time is set to 10 seconds (step LD2).

Next, the flag that means loading is finished? LDEND
is set to "1" (step LD3). and,
The wind pulse counter is set to "17" (step LD4). The wind pulse counter is used to feed a predetermined number of sheets of film. Next, wind pulse counting processing, which will be described later, is executed (step LD
5). If the wind pulse count process ends normally, steps LD6 to LD8 of the loading process are executed, but if the wind pulse count process is abnormal, steps LD6 to LD8 of the loading process. processing is not executed.

Here, it is assumed that the wind pulse count process is performed normally. Then, in step LD6, the film number counter is set to "1", the number of film display processing is executed, and the flag ? indicating that film is loaded is set. FL
EXZ is set to “l” (step LD7, LD
8). Then, the process returns to lock processing. Note that an abnormality in the wind pulse count process means a loading error. In this case, you will need to open the back cover 8 again, set the film again, and close the back cover 8 again.

- (Wind Pulse Count Processing) FIG. 20 is a flowchart of the wind pulse counting process called in the above-mentioned loading process and the later-described wind process. In this process, the amount of travel of the film is detected by detecting the wind pulse 31- which is output as the film travels.

When this process starts, in step WPI, a flag indicating the start of pulse counting? WPC9T is cleared and the wind motor is rotated forward in step WP2.

The loop of steps WP3 to WP12 is a process of determining whether the wind pulse count start position appears within 1.5 seconds while determining the wind pulse wp and the state of the camera back switch.

When the back cover switch is ON, is there a flag immediately after starting? Since WPC8T is O, step W
Proceeding from P8 to step WP9, if the wind pulse is 1, the flag is changed in step WPIO111,
After waiting for 10m5, before time up, step WP4
Return to Loading and winding end after the wind pulse becomes 1, so if the previous process ended normally, the above path will be followed. However, it is also possible that the wind pulse is stopped at 0 for some reason, so in this case step wp1o is performed.

Skip wpu, repeat the switch input at a fast cycle, and wait for the wind pulse to become I.

flag? After WPC9T is set to 1, step WP
Step 8 branches to step wp1a, and it is determined whether or not there is a change in the wind pulse.

If there is no change in the wind pulse, step WP4
to form a loop. If the 1.5 second timer times up without any change, the motor is stopped in step WP7, a return value "abort" is set, and the process returns. Further, when the back cover is opened, the winder system initialization process shown in FIG. 18 is executed, and then the wind motor is stopped.

Is this initialization process a film-related flag? LDEND
.

? FLEXZ, ? This process clears REWEND, resets the sheet number counter, and erases the sheet number display.

If there is a change in the wind pulse, step WP
14, it is detected whether it changes from O to 1 or not. If the change is from 0 to 1, the preset 33-wind pulse counter WPC is decremented in step WP16, and wp
If c becomes O, the motor is stopped in step WP17, a return value "normal end" is set, and the process returns.

If the wind pulse count WPC is not O, or if the change in the wind pulse is from 1 to O, wait for Ioms in step wpts, then move to step WP3 and start a new 1.5 second timer. Start.

The process of waiting for 10m8 in steps WPII and WP15 is as follows:
As described above, this is a process for reducing the influence of defective inputs such as chattering by not inputting signals in a region where there is theoretically no change in the signal after the wind pulse is switched.

- (Interrupt processing) Figure 21 shows a flowchart of interrupt processing. This processing is executed based on interrupt signals that occur at intervals of 50m5, and includes display-related processing and soft timer counting. It is intended to carry out the following.

In step IRI, an INT timer used for time measurement during intervals and self-timers is counted, and in step IR2, other timers, such as a 30-minute timer used in lock processing, are counted.

Next, in step IR3, the green lamp and red lamp are blinked. This process is a process for executing blinking of a green lamp for a short distance warning and a blinking of a red lamp for prompting the use of a strobe at 4 Hz in the AEAF process to be described later.

Step IR4 is a process for determining whether the hard timer of 0.5 seconds has timed up, and when the time has expired, the processes from step IR5 onwards are executed. Therefore, the processes from step rR5 onwards are executed once every 10 interrupt processes.

In steps IR5 and IR6, the hard timer is restarted and a plurality of soft timers are counted.

In steps IR7 to IRIO, the display of the remaining time of the interval is permitted, and the remaining time of the interval is displayed when the camera is in automatic shooting mode and the shooting method is interval.

35 In step IRII, the LCD blinking process is performed, and the interval mark, self-timer mark, etc. are blinked at IHz.

The processing of steps IR5 to IRII does not need to be executed very frequently; on the other hand, if it were executed every time an interrupt occurs, the interrupt processing itself would take a long time and could interfere with the main loop. , is executed every 0.5 seconds.

- (Main Processing) FIGS. 22 and 23 show the main processing. This processing is repeatedly executed when the camera enters the shooting standby state by operating the main switch.

First, a 3 minute timer is started (step MAI
). This 3-minute timer is related to automatic lens storage, and is used when storing the lens when there is no change in the camera's operating status for more than 3 minutes. Next, in step MA2, a select mode counter SELEMODE (hereinafter referred to as S
ELEMODE) is set to "o". S.E.
LEMODE is used when setting modes such as self-photography, interval photography, etc. Then, the switch information is stored in the memory (step MA3).

Next, the flag? 5WSEN is set to "0" (step MA4). flag? 5WSEN is used for photometry permission determination.

? 5WSEN-1 means photometry processing permission, ? 5WSE
N-0 means that photometry processing is prohibited. Then, it is determined whether the photographing method is mid-rewind (step MA5). Step M when the shooting method is a shooting method other than mid-rewind
Move to A6. In step MA6, the flag? REV
Determine whether END is "1". This flag?
REVEEND is set to "1" when rewinding is completed, and is "0" when rewinding is not completed. Flag in step MA6? When REWF and ND are "0", it is determined in step MA7 whether the memory of the previous photometry switch is ON. If the previous memory of the photometry switch is OFF, in step MA8, the flag ? Set 5WSEN to rlJ. In step MA7, if the previous memory of the photometry switch is ON, step MA8 is passed and the process moves to step MA9. This is because if you keep pressing the shutter button, you cannot tell whether there is a change in the photometry switch, so you have to wait until the photometry switch is turned off before setting the flag. This is because it was decided to set 5WSEN to "1".

In step MA6, the flag? REWEND is rl
When it is determined that it is J, steps MA7 and MA8 are performed.
is passed and the process moves to step MA9. This is to prohibit photometry processing when the film is rewound.

In step MA5, when it is determined that the shooting mode is midway rewind, steps MA6, MA7, MA
8 and moves to step MA9. Step MA
9. Flag? Set REWEN to "0". flag? REWEN is used to determine permission for mid-way rewinding.

Step MAIO is executed after step MA9.

In step MAIO, it is determined whether the shooting method is midway rewind. When the photographing method is half-rewind, it is determined whether the previous memory of the release switch is ON or OFF (step MAIL). Flag 38 when the previous release switch memory is OFF? REWEN is set to “1” (step M
A12).

Then, step MA13 is executed. If the previous memory of the release switch is ON, step MA12
bus, and the process moves to step MA13. This is because if you keep pressing the shutter button, you cannot tell whether there is a change in the release switch or not. REWE
This is because it was decided to set N to "1". In step MA10, if the shooting method is other than mid-rewind, steps MAII and MA12 are bused, and step M
Move to A13. This is because, when a shooting method other than midway rewinding is used, midway rewinding is prohibited.

Flag in step MA13? Set ZOOMEN to "0". This flag? ZOOMEN is used for zoom permission determination. Then, it is determined whether the previous memory contents of the teleswitch are OFF or ON (step MA14). When the previous memory content of the teleswitch is OFF, it is determined whether the previous memory content of the wide switch is OFF or ON (step MA15). Wide switch is OFF
When F, the flag ? ZO
OMEN is set to "1", then step M/u
7 is executed. Here, the fact that the tele switch is OFF and the wide switch is OFF means that the zoom lever is at the neutral position.

When the previous memory contents of the teleswitch are ON,
Steps MA15 and MA16 are bused to step MA1.
7 is executed. When the previous memory content of the wide switch is ON, the process in step MA17 is executed by passing the process in step MA16.

Therefore, when the zoom lever is in the neutral position, the flag? ZO
OMEN will be set to "l". When you keep pushing the zoom lever towards the tele switch, or when you keep pushing the zoom lever towards the wide switch, the flag? ZOOMEN remains at "0". In step MA17, the flag? Set TWEN to "0". This flag? TWEN is the tele end
Used to determine permission to move to the wide end. Next, step M
At A18, it is determined whether the previous memory contents of TW switch 0 are ON or OFF. The previous memory contents of the TV switch are OFF.
In this case, the flag ? TWEN
Set to rlJ. Then, the process moves to step MA20. If the previous memory content of the TV switch is ON, step MA19 is passed to step MA20.
to move to. This is because if you keep pressing the TW button, you cannot determine whether there is a change in the TW switch, so wait until the TV switch is turned OFF and set the flag. This is because it was decided to set TWEN to "1".

In step MA20, the current state of the switch is input. Then, in step MA21, the previous memory contents and the current switch input contents are compared. When the contents of the previous memory and the contents of the current switch input are different, that is, when there is a change in the switch input, start a 3-minute timer (Step M
AR2), the process moves to step MA23. If there is no change between the previous memory content and the current switch input content, the Stellar 1 bus is passed through MA22 and the process moves to step MA23.

In step MA23, it is determined whether the three-minute timer has timed up. Here, first, a case in which the 3-minute timer times up will be explained.

If the 3 minute timer times up, step M
Flag on A24? AUTORET is set to "1". Then, a strobe charging stop process is executed (step MA25), a lens automatic storage process is executed (step MA26), and the process shifts to a lock process. That is, if three minutes or more pass without operating the power button 13, shutter button 17, zoom lever 12, drive button 11, TW button 18, opening the back cover 8, etc., the lens is automatically retracted. That will happen. The automatic lens storage process in step MA26 will be described later.

Next, a case will be described in which the 3-minute timer has not timed up in the main process.

If the 3-minute timer has not timed up, in step MA27, the flag ? Determine whether REWEN is "1". If the shooting method is halfway rewind 2-, flag? Since REWEN is "1", the release switch is turned on in step MA2B.
It is determined whether it is OFF or OFF. If the release switch is ON, flash charging stop processing is executed (step MA29), and then rewind processing is executed (step MA29). In addition, in this example,
If the shutter button 17 is operated to turn the release switch from OFF to ON while the drive button 11 is held down for 3 seconds or more, rewinding is performed midway. In addition, drive button 11 and shutter button 1
If a predetermined period of time elapses while pressing and holding 7 at the same time, rewinding may be performed midway. Note that the setting for midway rewinding is performed by an exposure shooting method setting process that will be described later.

Next, in step MA27, the flag? REWEN
If it is determined that is "0", the process moves to step MA31. In step MA31, the flag? Based on LDEND, it is determined whether loading has ended.

If loading has not been completed, it is determined whether the camera back switch is ON or OPP (step MA32). If the back cover is closed, charging to the flash is stopped (step MA33), loading processing is executed (step MA34), and the process returns to the beginning of the main processing (step MA35). If it is determined in step MA32 that the back cover is open, the process directly proceeds to step MA39. When it is determined in step MA31 that loading has ended,
In step MA36, it is determined whether the back cover switch is ON or OFF. When the camera back is opened, the exposure/photographing system and winder system are initialized and the process moves to steps MA37, MA38) and MA39. If it is determined in step MA36 that the back cover is closed, the process moves directly to step MA39.

Therefore, if the main process is being executed with the back cover still closed after film loading is completed, the process proceeds in the order of steps MA31, MA36, and MA39. In addition, in the state immediately after opening the closed camera back, steps MA31, MA36, MA37, MA3
The processing proceeds in the order of 8 and MA39. If the main process is being executed with the back 4-lid open, the process proceeds in the order of steps MA31, MA32, and MA39. Further, when the opened back cover is closed, steps MA31, MA32, MA33, MA
The processing proceeds in the order of MA34 and MA35.

Next, in step MA39, the previous memory contents of the main switch and the current contents of the main switch are compared. Step M if there is a change in the main switch
Move to A40. In step MA40, it is determined whether the main switch is ON or OFF. If the main switch is ON, that is, if it changes from OFF to ON, proceed to step M to stop strobe charging.
A41), lens storage processing (step MA42) is performed, and the process proceeds to lock processing (step MA43). The lens storage process will be described later. When the power is turned off manually, steps MA40, MA41,
Processing proceeds in the order of MA42 and MA43. Note that if the main process is being executed by holding down the power button and you release your hand from the power button in the middle of the main process, the process will proceed to step MA44 via steps MA39 and 5 Ma2O. Become.

In step MA44, exposure method/photography method setting processing is performed. This will be discussed later.

After completing this exposure method/shooting method setting process, step M
The process of A45 is executed. Flag in step MA45? 5EIJ: Determine whether CT is "0" which is "1". This flag? 5ELECT is set during the exposure method/photography method setting process, and is set to "l" when the time of the shooting method is set. flag? 5EL
When ECT is "0", the process moves to step MA46. In step MA46, the flag? TWEN is “1
” or “0”. flag? TWE
When N is rlJ, whether the TW switch is ON or O
It is determined whether it is an FF (step MA47). Then, when the TW switch is ON, strobe charging stop processing is performed (step MA48), telewide movement processing (step MA49) is performed, and the process returns to the beginning of the main processing (
Step MA50). Here, the telewide movement processing is
This is a process of forcibly moving the zoom lens to the telephoto end or wide end by operating the TW button 18, the details of which will be explained when the lens is moved.

In step MA46, the flag? TWEN is “0”
When this is the case, step MA51 is executed. Flag in step MA51? ZOOMEN is “l” or “
0". flag? ZOOMEN says “0
” flag? It is determined whether 5WSEN is "0" (step MA52). flag? 5WS
When EN is also r□, strobe charging control is performed and the process returns to step MA53 and step MA3.

In step MA51, the flag? ZOOMEN is r
When it is determined that the teleswitch is ON or OFF, it is determined whether the teleswitch is ON or OFF (step MA54). When the tele switch is OFF, the wide switch is ON.
or OFF (step MA55)
).

When the wide switch is OFF, step MA52
to move to. Therefore, when the zoom lever is in the neutral position although the zoom is permitted, step MA511M
Main processing will be performed via A54, MA55, and MA52.

47- If the wide switch is ON in step MA55, it is determined whether the zoom lens is at the wide end (step MA56). If the zoom lens is not at the wide end, stop charging the strobe in step MA5.
7) Perform zoom wide processing (step MAS8)
, returns to the top of the main (step MA59). When the zoom lens is at the wide end in step MA56, there is no need to move the zoom lens to the wide end, so the process moves to step MA53 without performing steps MA57 and MA58.

Next, in step MA54, the teleswitch is turned on.
If it is determined that this is the case, it is determined whether the zoom lens is at the telephoto end (step MA60).

When the zoom lens is not at the telephoto end, charging of the strobe is stopped (step MA61), zoom telephoto processing is executed (step MA62), and the process returns to the beginning of the main program (step MA63). In step MA60, when the zoom lens is at the telephoto end, there is no need to move the zoom lens to the telephoto end, so steps MA61° MA62,
Move to step MA53 without processing MA63 48
− Do.

i.e. flag? When the zoom lever is operated toward the tele switch when ZOOMEN is permitted, the zoom lens is moved toward the telephoto side until it reaches the telephoto end. Furthermore, when the zoom lever is moved to the wide-angle switch side, the zoom lens is moved towards the wide-angle side until it reaches the wide-angle end. Note that zoom wide processing and zoom tele processing will also be described later.

In step MA52, the flag? 5WSEN is “1”
”, it is determined whether the photometry switch is ON or OFF (step MA64).

Then, when the photometry switch is ON, strobe charging stop processing is performed (step MA651, and the process moves to AEAF control processing (step MA66); when the photometry switch is OFF, strobe charging control is performed and the process proceeds to step MA3. return.

Next, processing for moving the zoom lens will be explained.

- Lens storage processing, etc.> 49 Fig. 24 shows the processing of lens storage, automatic lens storage, wide movement 1, and telephoto movement.

These processes are called in different places, but the latter half of the process is the same, so they are shown in the same diagram.

This lens storage process is executed when the power is manually turned on/off and when a rewind start is started. For example, it is executed in step MA42 of the main process.

First, "0" is set in the memory MVPO3 (step LMI). Here, MVPO8 is used to store the position to which the lens is moved, and is commonly used for lens automatic storage processing, wide movement 1, and telephoto movement processing.

Next, the contents stored in memory MVPO3 and the current PO
The contents of S are compared (step LM2). This is because the direction in which the lens should be moved differs depending on the processing of automatic lens storage, wide movement 1, and telephoto movement. In the case of manual power-on/stop in step MA42, the current pos content is thicker than MVPO3-0, so zoom motor reversal processing is executed (step L
M3), then lens position detection processing is executed (step LM4). This lens position detection process constantly checks changes in the zoom code while the motor is operating, and
This is done to manage IV.

Then, focal length display is executed (step LM
5). Therefore, while the lens is moving, the focal length is also changed and displayed accordingly. Next, the contents of the current POS and the contents of the MVPPOS are determined (step LM6).

The processing of steps LM4 to LM6 is continued until the contents of the current POS match the contents of the MVPPOS. Then, when the contents of the current POS match the contents of the MVPPOS, a zoom motor brake process (step LM7) is performed, and the process returns to step MA43 of the main process.

This causes the lens to be stored in the storage position.

The lens automatic storage process is called by step MA26 of the main process as described above. In this process, the current contents of DrV are stored in MEMDIV (step LM8). Here, MEMDIV automatically returns the lens 5.
1- Used to determine the return position when moving. and,
Next, 0 is set to MVPOS (step LM9)
. Then, processing similar to the lens storage processing (step LM
2, LM3 to LM7) are performed. This is because there is essentially no difference from the lens storage process except that the lens is automatically returned when the next power-on operation is performed.

The wide movement l process is a process for moving the stored lens toward the wide end, and is called in step LO22 of the lock process as described above. In this wide movement 1 process, first, "2" is set in MVPOS (step LMIO), and in step LM2, the content of MVPOS and the current content of PO5 are determined. In the power-on/stop state, the current content of PO5 is “0”.
'', the process moves to step LMII and normal rotation processing of the zoom motor is performed. Then, lens position detection processing,
Focal length display processing is executed (steps LM4 and LM5).
), steps LM4 to L until the content of MVPOS matches the content of the current POS in step LM6.
Processing M6 is performed. Then, in step LM6, if the contents of MVPOS and the current contents of PO8 match, the process moves to step LM7 and returns to the locking process. This allows the lens to be set at the wide end (PO
S-2) is played out.

Next, in the tele-movement process, "4" is set in MVPOS (step LM12), and the contents of MVPOS (7) are compared with the contents of the current PO8. Since the content of MVPOS is always larger than the current content of PO8, the zoom motor is rotated forward (step LMII), and lens position detection processing and focal length display are executed (steps LM4 and LM
5) Next, the contents of the MVP POS and the pos are compared. The processing of steps LM4 to LM6 is repeated until the contents of MVPOS and PO5 match, and when they match, the zoom motor brake processing (step LM7) is executed.
Return to main processing (step MA50).

Therefore, the lens is forcibly moved toward the telephoto end by the telephoto movement process.

(Lens automatic return processing) FIG. 25 shows the lens automatic return processing called at step LO26 of the lock processing.

In this process, first, a 53-zoom motor normal rotation process is executed in step LRI. Next, step L
In step R2, lens position detection processing is executed, and in step LR3, focal length display processing is executed. Then, in step LR4, the current DIV and MEMDI
The contents stored in V are compared.

The processes of steps LR2, LR3, and LR4 are repeated until the contents of the current DIV match the contents stored in MEMDIV. Then, when the current DIV and the content stored in MEMDIV match in step LR4, the process moves to step LR5, where zoom motor brake processing is executed, and the process returns to lock processing. As a result, the lens can be returned to the DIV position before automatic lens storage.

- (Tele-wide movement process) The tele-wide movement process is performed in step MA49 as described above.
Called in . This tele-wide movement processing is used to determine whether to move the lens to the telephoto side or to the wide side by operating the TW button 18, as shown in FIG. First, in step TWI, it is determined 54- whether DIV is greater than or equal to BH. When DIV is greater than or equal to BH, the process moves to wide movement 2 (step TW2). And step TWI
If DIV is less than BH, the process shifts to tele-movement (step TW3).

Through this process, lens movement to the far side is selected based on the current lens position.

In other words, if the lens is close to wide-angle, the lens will move to the telephoto end, and if the lens is close to telephoto, the lens will move to the wide-angle end.

However, as a modification, tele-wide movement processing may be performed as follows.

■For example! ! As shown in FIG. 127, first, in step TWSI, it is determined whether PO8 is "2". When PO5-2, the process shifts to tele-movement (step TWS2). In step TWSI, PO9-2
If not, it is determined in step TWS3 whether it is PO3-4 or not. PO5-4 at step TWS3
When , shift to wide movement 2 (step TWS4)
. In step TWS3, if it is not PO3-4, it is determined whether DIV is greater than rBHJ by 55- (step TWS5). In step TWS5, if DIV is greater than or equal to rBHJ, the transition is made to tele-movement (step TWS6). ). In step TWS5, when DIv is r BHJ not grooved,
The process moves to wide movement 2 (step TWS7).

According to this example, when the lens is at the telephoto end, the lens is moved toward the wide end, and when the lens is at the wide end, it is moved toward the telephoto end. When the lens is between the wide end and the telephoto end, moving the lens closer to the current lens position is selected. That is, if the lens is close to wide, the lens is moved to the wide end, and if the lens is close to tele, it is moved to the telephoto end.

■Also, for example, as shown in Figure 28, PO3-2
If it is PO5-2 in step TWTI, tele movement processing (step TWT2) is selected, and if not, wide movement 2 (step TWT3) is selected. According to this example, when it is at the wide end, it is moved to the telephoto end, and when it is not at the wide end, it is always moved to the wide end.

(2) Further, as shown in FIG. 29, for example, in step TWVI, it is determined whether or not it is PO3-4. In step TWVI, if it is PO3-4, wide movement 2 is selected (step TWV2), otherwise, telescopic movement processing (step rwva) is selected.

According to this example, when it is at the telephoto end, it is moved to the wide end, and when it is not at the telephoto end, it is always moved to the telephoto end.

- (Wide movement 2) FIG. 30 is a flowchart showing wide movement 2 called in the above-mentioned tele-wide movement process.

First, the zoom motor is reversed (step zwg. Next, lens position detection processing and focal length display are executed (
Steps ZW2, ZW3). Next, it is determined whether or not it is PO5-1 (step ZW4). In step ZW4, steps ZW2 to ZW4 are repeated until POS-1.
Repeat the process. Then, wait 50m5 (step 57 ZW5) and rotate the zoom motor forward (step zwc
t).

Then, rotate the zoom motor forward (step ZWS)
, the lens position detection process is executed (step ZW7), and then, in step zW8, it is determined whether or not it is PO3-2. Step ZM7. until PO3-2.
The process of 2M8 is repeated, and when it is determined as PO3-2, the zoom motor brake process is performed and the process returns to the main process (step MA50).

This wide movement 2 process positions the lens at the wide end.

Here, we decided to drive the lens to the PO5-1 position because if the zoom motor is rotated forward, backlash will not occur in the mechanical system that drives the zoom lens, but when the zoom motor is If the lens is reversed, backlash will occur in the mechanical system, so first drive the lens to the PO3-1 position beyond the wide end, then
I decided to return to the wide end of POS-2.

- (Zoom telephoto processing) When the zoom lever is operated to the telephoto side, the zoom motor is rotated in the normal direction (step ZN) as shown in Fig. 31.
I). Then, the next stop position when moving the lens in steps is set in the memory 5TDIv (step Z
N2). When moving telephoto, the DIV toward the telephoto side is stored based on the current DIV. This 5TDIV is a memory used to store the next stop position during step zooming. Next, the flag? 5TEP is set to "1" (step ZN3). flag? 5TEP is used to determine whether step operation or continuous operation is in progress in zoom tele processing or zoom wide processing.

Here, the zoom mode switch is configured so that when this zoom lever is pushed lightly from the neutral position, step operation is selected, and when it is pushed more firmly, continuous operation is selected. 5TRP “1”
, and decided that step motion was selected.

Then, lens position detection processing and focal length display are executed (steps ZN4 and ZN5), and it is determined whether the teleswitch is OFF or ON (step Z
N6). Teleswitch is OFF at step ZN6
59-, performs zoom motor brake processing (step ZN7) and returns to main processing (step M
A63). That is, even if the zoom lever is lightly operated and then released, the movement of the lens is immediately stopped. When the teleswitch is ON, it is determined whether it is PO3-4 (step ZN8). Step ZN
In B, if it is determined that the POS is 4, zoom motor brake processing is performed (step ZN7),
Return to main processing (step MA63). This is because the lens has moved to the telephoto end.

In step ZN8, if it is determined that PO3-4 is not the case, the zoom mode switch is ON or OFF.
(Step ZN9). When the zoom mode switch is OFF, the flag? 5TEP as “
0”. Then, the process returns to the lens position detection process (step ZN4), and as long as the zoom mode switch is in the OFF state, steps ZN4 to ZN6 and step Z
Repeat the processing from N8 to ZNIO. As a result, the zoom lens is continuously extended. In addition, the display of the focal length is also changed in accordance with the extension of the lens.

Then, when the zoom mode switch is turned on, the process moves to step ZNII and the flag? It is determined whether 5TEP is "1" or not. Is there a flag when the zoom lens is extended continuously? Since 5TEP is set to "0", zoom motor brake processing is executed by passing step ZN12 (step ZN13), and the process returns to the main processing (step MA63). As a result, if -degree continuous operation is selected, lens movement can be stopped simply by returning the zoom lever to the step operation position.

In the zoom lever operation, when the tele switch remains ON and the zoom mode switch also remains ON, the process proceeds to step ZNII via the determination processes of steps ZN6, ZN8, and ZN9. This step ZN6, ZN8, ZN9
The processing corresponds to the case when continuous operation mode is not selected, and the flag ? Since 5TEP remains set to "1", the process moves to step ZN12 and the current DI is
Whether the contents of V are equal to the contents of memory 5TDIV 61
− Determine. When the contents of the current DtV and the contents of the memory 5TDIV are different, the process moves to step ZN4, and steps ZN4 to ZN6, steps ZN8, ZN9, and ZN
Repeat the processing of I11ZN12. And step Z
At N12, the current DIV contents and memory 5TDI
When the contents of v become equal, the process moves to step ZN13, performs zoom motor brake processing, and returns to main processing (step MA63).

Here, in the main flow, the flag? ZOOME
Once N is set to "0" (step MA13) and the teleswitch remains ON, step MA1
5. The processing of step MA17 and subsequent steps are executed by busing the processing of MA16, so when step MA51 is reached, the processing of steps MA54 and MA55 is bused.

Therefore, when the step operation of the lens is selected, the next step operation will not be performed unless the user releases the zoom lever and turns off the teleswitch.

-Zoom wide processing> When the zoom lever is operated to the wide side, the zoom motor is reversed (step Z) as shown in Fig. 32-62-.
RI). And since it is a wide movement, the current DIV
The DIV of the next step stop position in the wide direction is set in the memory 5TDIV based on (step ZR2). Next, the flag? 5TEP is set to "1" (step ZR3). Then, lens position detection processing and focal length display are executed (steps ZR4, ZR5), and it is determined whether the wide switch is opp or ON (
Step ZR6). When the wide switch is OFF in step ZR6, the zoom motor is rotated forward after waiting 70 m5 (steps ZR7 and ZR81 to perform processing to eliminate mechanical backlash in the zoom drive system. Then, next , wait 50m5 (step Z
R9) and performs lens position detection processing (step ZRIO
), the process moves to step ZRII and it is determined whether or not it is PO6-1. Here, the reason why we decided to wait 70 m5 and 50 m8 is because it is undesirable that the focal length display increases during the backlash removal process even though the movement is in the wide direction.

In step ZRII, if it is not PO9-1,
63- Display the focal length (step ZR12-), perform zoom motor brake processing (step ZR13), and return to main processing (step MA59). That is, when the zoom lever is operated and then released, backlash removal processing is performed, and unless PO8 is 1 thereafter, movement of the lens is stopped. When it is determined that pos after backlash removal processing is 1, lens position detection processing is executed (step ZR12), and then PO
5-2 is determined (step ZR13).

If not PO5-2, step ZR12, ZR13
The process is repeated, and when it is determined that the current pos content is PO3-2, the zoom motor brake process is executed (step ZR14), and the process returns to the main process (step MA59). This positions the lens at the wide end. Further, even if the zoom lever is lightly operated and then released, the movement of the lens is similarly stopped immediately.

In step ZR6, when the wide switch is ON, it is determined whether it is PO5-1 (step ZR15). If it is determined in step ZR15 that PO3-1 is 64-, the zoom motor normal rotation processing is performed after waiting 50 rounds (steps ZR16 and ZR17). Then, execute the lens position detection process step ZR12),
Next, it is determined whether it is PO3-2 (step ZR13). PO3-2m-If not, step ZR
12, ZR13 (7) process is repeated, and when it is determined that the current pos content is PO3-2, the zoom motor brake process is executed (step ZR14), and the process returns to the main process (step MA59). Step ZR16,
The processing of ZR17, ZR12 to ZR14 means backlash removal at the wide end.

In step ZR15, if it is determined that the PO3-1 is not the zoom mode switch, it is determined whether the zoom mode switch is ON or OFF.
It is determined whether it is F (step ZR18). When the zoom mode switch is OFF, the flag? 5TEP
is set in rQJ (step ZR19). and,
Returning to the lens position detection process (step ZR4), as long as the zoom mode switch remains OFF, step Z
Repeat the processing of R4 to ZR6, ZR15, ZRlB, and ZR19.

This causes the zoom lens to be continuously retracted 65-. In addition, the display of the focal length is also changed in accordance with the movement of the lens. That is, as the lens moves toward the wide side, the numerical value of the focal length is displayed decreasing.

Then, when the zoom mode switch is turned on, the process moves to step ZR20 and the flag? It is determined whether 5TEP is "1" (step ZR20). Is there a flag when the zoom lens is continuously retracted? 5TE
Since P is set to "0", ZR7 to ZR14
Alternatively, the same process as when the wide switches ZR7 to ZR13 are turned off is performed.

When the wide switch is ON and the zoom mode switch is also ON, step ZR6 unless it is PO5-1.
, ZR15, and ZRlB, and step Z
It reaches R20. Konostep ZR6, ZR15, ZRl
B(D processing corresponds to the case where the continuous operation mode is not selected, and the flag ?5TEP remains set to "1", so the process moves to step ZR24 and the contents of the current DIV are transferred to the memory 5TDIV. Determine whether the content of the current DIV is smaller than the memory 5TDIV.
66- inside O, if it is not smaller than the value, move to step ZR4,
Steps ZR4 to ZR6, Steps ZR18, ZR20
゜Repeat the process of ZR24. And step ZR2
4, when the contents of the current DIV become smaller than the contents of the memory 5TDIV, the process moves to step ZR25.

In step ZR25, 50m5 standby processing is performed, and then,
Performs zoom motor forward rotation processing (step ZR26) and lens position detection processing (step ZR27), and then returns to step Z.
Move to R28. In step ZR28, the current DI
It is determined whether V and memory 5TDIV match.

The processes of steps ZR27 and ZR28 are repeated until the current DrV and memory 5TDIV match, and when they match, the zoom motor brake process is performed (step Z
R29), return to main processing (step MA5)
9).

Here, in the main flow, the flag? ZOOME
Once N is set to "0" (step MA13) and the wide switch remains ON, step MA
16 is passed and the processing after step MA17 is executed, so when step MA51 is reached, the processing of step 67 MA54 and MA55 is bused. Therefore, when the step operation of the lens is selected, the next step operation will not be performed unless the user releases the zoom lever and turns off the wide switch.

- (Exposure and shooting method setting process) FIG. 33 is a flowchart showing the exposure and shooting method setting subroutine called in step MA44 of the main process. , drive switch, and select switch.

When this process starts, the flag?? in step ETI? 5
Determine the state of ELECT. This flag is set to 1 if only the select switch among the switches used for setting in the previous setting process was ONL, and is cleared when the select switch is turned OFF after setting the variables described below. It is something that will be done.

flag? If 5ELECT is 0, it is determined that 68- is not present during variable setting, and in steps ET2 to ET5, the exposure method and photographing method are displayed on the LCD panel, and the states of the tele and wide switches are checked. If either the tele switch or the wide switch is ON, it is determined that the zoom is being operated, a 3-second timer used to determine whether to enter rewind mode is started in step ET6, and mode, drive, and select are selected in step ET7. , a flag that means OFF for photometry, telephoto, and wide switch? MDSW
Set OF to 0 and return to main processing. This flag becomes 1 when all the above switches are OFF, and is used to detect the end point of the mode switch and drive switch from OFF to ON.

If both the tele and wide switches are OFF, both the tele and wide switches are OFF in step ET8.
What flag does it mean? MDZMOF is set to 1,
Determine the status of the photometry switch. flag? MDZMOF
is used to detect the end point of the teleswitch or wide switch from OFF to ON in the variable setting process described later. If the photometry switch is ON, the exposure and photographing method are not set in order to enter AEAF processing, and the process returns to main processing via steps ET6 and ET7.

If all three switches mentioned above are OFF, proceed to step ETlO1ET11, determine the state of the mode switch and drive switch, and if both are OFF, cancel the mid-rewind mode in step ET12. After displaying the photographing method in step ET13, the 3-second timer is activated again in step ET14.

In steps ET15 to ET17, depending on the state of the select switch, if this is ONL, is it a flag? 5ELEC
T for 1, flag? Set ZMSWOF to 0, OFF L,
If so, is it a flag? Set MDSWOF to 1 and return to main processing.

flag? When 5ELECT is set to 1, it is determined that a variable setting operation is being executed, and zoom-related processing is skipped in the main processing. This is because the tele and wide switches are shared for zoom-related and variable settings, so it is necessary to limit the settings to only one of them.

70 Now, if the tele, wide, and photometry switches are OFF and the mode switch is ONL, the process proceeds from step ETIO to ETlB, and a 3-second timer is started.

Next, in step ET19, the flag? Only when MDSWOF is 1, that is, when both the mode and drive switches were OP in the previous setting process, the process moves to steps ET20 to ET26 and the settings are changed.

Therefore, the settings cannot be changed unless the switch is turned OFF once.

If any switch was OH in the previous setting,
This is because if the settings are changed, the settings will change continuously by continuing to press the switch, making it inconvenient to use.

Now, in step ET20, the mode switch is turned on.
If it is determined that the
At ET22, the counter EXPMODE is incremented, limit processing is performed, and the exposure method is displayed. When the mode switch is OFF, it means that the drive switch is ON, and in steps ET24 to Ii: T26, the counters DRIVE and MODE are incremented, limit processing, and the photographing method is displayed. In either case, the flag MDSWO is set in step ET9 to indicate that the mode and drive switch has been turned ON.
After setting F to 0, the process returns to the main process.

Note that limit processing is performed when the value of counter EXPMODE is 2H or counter DRIVEMODE (7).
EX when the value is further incremented from 0OIIB
PMODE OH.

This is the process of setting DRIVEMODE to 0OOOB.

If it is determined in step gT10 and step ETII that the mode switch is OFF and the drive switch is ON, the state of the select switch is determined in step ET27. When the select switch is ON,
Proceed to step ET1B. Select switch is OFF
If L/, steps ET6, ET14, E
It is determined whether or not the 3-second timer started at TIB has timed up, and the process proceeds to step ET19 until the timer has timed up. When the 3-second timer expires, the shooting method is set to mid-rewind.

=72 (Variable setting process) Figure 34 shows step ET of the above exposure and shooting method settings.
12 is a flowchart showing variable setting processing that branches from I. This process is executed when only the select switch was in the OH position during the previous exposure and shooting method setting process, and three variables are set: the number of self-timer images, the interval start time, and the interval time.

The values of each variable, memory data, and display on the LCD panel are as shown in the table below.

Table 1 Self-timer number of sheets Data display 1
0HIEX2
1H2EX3
2H3EX4 3H4EX
5 4H5EX3- 2nd! ! Interval start time Interval time Data display 10 seconds
OH10s 20 seconds IH20g 30 seconds 2H30s 40 seconds
3H40s 50 seconds 4H50s 1 minute 5H1m 2 minutes 6H2m 3 minutes 7H3m 4 minutes 8H4m 9 hours ICH9h 10 hours IDH10h 12 hours IEH12h24 hours
IPH24h Step Psi is the variable selection process shown in FIG.

Variable selection is a process of selecting which memory data to change among the three memory data of the self-timer number, interval start time, and interval time.

The selection of each data to be changed is done using the variable SELEMO.
Corresponding to the value of DE, SELEMODE-0 is no variable,
SELEMODE-1 is the number of self-timer sheets, SELE
MODE-2 corresponds to the interval start time, and 4 SELEMODE-3 corresponds to the interval time.

In the variable selection process, if the shooting method is self-timer, set SELEMODE-1 and return value "variable"
is set and returns to the variable setting process. If the shooting method is interval, SRLHMODE-
If 2, change this to 3, otherwise SE
Set LEMODE-2, set the return value "variable present", and return. If the photographing method is neither self-timer nor interval, there is no need to set variables, so the return value "No variable" is set as SELEMODE-0 and the process returns to the variable setting process.

In the variable setting process, if the return value of the variable selection process is "variable present", the LCD is displayed in steps PS2 and PS3.
The display is stored in memory, the entire display is temporarily turned off, and the variable display process shown in FIG. 36 is executed.

Variable display processing is performed using the variable SELEM set in variable selection.
It executes the display of selected memory data based on the ODE. When this process starts, the exposure and photographing method displays are temporarily turned off, and if SELEMODE-1 is 75, the number of self-timer shots is displayed, and the self-timer mark is lit to prompt the user to set the number of shots.

If it is SELEMODE-2, the interval start time is displayed, and the INT mark indicating the interval mode, the S mark indicating the start time, and "-OFF" are lit.

This camera can specify the start of interval photography in relative time intervals. Conventional cameras had an interval setting in which the shooting start time was specified as an absolute time, so a time table different from the interval time setting was required, and a clock function had to be provided. By specifying the start time as a relative time, the camera of this embodiment can use the same time table as the interval time, and is not required to have a clock function.

If it is SELEMODE-3, the interval time is displayed, and the INT mark and the "←→" mark indicating the interval time are lit.

When the variable display is completed, in steps P55 to PS12, on the condition that both the tele and wide switches 76-ch were OFF in the previous setting process, the variable data selected when the tele switch was ON is added. The variable data is subtracted when the wide switch is turned on. If both the tele and wide switches are off, is it a flag?
MDZMOF is set to 1, and conversely, either switch is ONL.
If so, display variables after setting and set flags? MDZ
Set MOF to 0.

The processes in steps P814 to PS17 are executed regardless of the presence or absence of variables.

flag? If MDZMOF is 0, that is, if either the tele switch or the wide switch was ONL last time,
Alternatively, if a variable has been changed, it is determined that the settings are being changed and the process returns to the main process without returning to the display.

flag? Even if MDZMOF is 1, if the select switch is ONL, the process similarly returns to the main process.

If step PS14 is reached without a variable, the flag ? Since MDZMOF is 1, the select switch is OFF.
If it is FF, the flag TSELECT@O is set and the process returns to the main processing. Even if there are variables, this 7
7 If both the tele and wide switches are determined to be opp during processing, is the flag set if the select switch is OFF? 5ELECT is set to 0 and the LC is stored in memory.
After returning the D display, return to the main processing.

Here, the specific operating procedure of the variable setting process will be explained using an example.

Assuming that the tele, wide, and metering switches are OFF, the exposure method changes by one when the mode switch changes from OFF to ONL. In order to further change the exposure method, it is necessary to turn the mode switch off once and then turn it on again. By repeating this 0N10FF,
There are 3 exposure methods: auto, strobe ON, and strobe OFF.
Switches between the two methods sequentially.

When the drive switch is changed from OFF to ON, the photographing method changes by one. Drive switch 0N10F
F allows single-frame shooting, self-timer, self-TV,
The interval changes sequentially between the four methods.

When the shooting method is changed from single-frame shooting to self-timer, the drive switch is turned OFF and then the select switch is turned ON to enter variable setting and enter the self-timer number setting state. The number of self-timer shots can be changed by operating the tele switch or wide switch while the select switch is set to ONI. Changes are made by looking at the end point of the tele/wide switch from OFF to ON, so even if the switch continues to be ON, the data is changed by only one step.

If the select switch is turned on during the process, the set state will be canceled.

When the shooting method is changed from self-TV to interval, the drive switch is turned off and then the select switch is turned on to enter the interval start time setting mode. Here, by operating the tele and wide switches while keeping the select switch ON,
You can set the interval start time. If you turn off the select switch once, the setting status will be canceled, but if you turn it on again, you will be in the interval time setting mode 79-.
The interval time can be set by operating the wide switch. Turn the select switch OFF
When F is pressed, the setting state ends.

Note that the interval start time and interval time can be set repeatedly.

After the above settings, by turning on the release switch, the self-timer or interval is executed based on the setting data.

Also, if only the drive switch is kept on, a 3 second timer will count up, and when the timer is up, the game will go into rewind mode. In mid-rewind mode, turn the drive switch ON.

If you turn on the photometry switch, the film will be rewound.

- (AEAF Control Processing) Next, the shutter control-related AEAF@l@ processing will be explained based on FIGS. 37 to 38. This processing is performed when the photometry switch changes from OFF to ON in the main It is executed from the AEAP control 3 terminal after winding if the shooting method is set to SE80-LF TIMER or SELF-TV, or after interval control if the shooting method is interval. .

In steps EFI to EF3, distance measurement data is input, lens latch (LL) calculation is performed, and if the distance to the subject is a distance that the photographing lens can focus on, the green lamp is turned on, and if the distance to the subject is a distance that cannot be focused. If so, the green lamp will flash to warn you. Although detailed description will be omitted, the LL calculation is a calculation that determines the amount of lens movement for focusing on the subject based on the distance measurement result.

When the AEAF control process is executed from the terminal of the AEAP control 3, that is, when the shooting method is interval, self-timer, or self-TV and the second or subsequent shots are taken, distance measurement and LL calculation are not performed. Therefore, in these cases, the previous LL data will be used as is,
The focus will be the same as the first photo.

This is to prevent out-of-focus when the object to be photographed moves from the distance measurement area at the center of the screen.

1 Next, in step EF4, the DX code indicating the ISO sensitivity of the film is input, and this value is converted to the Sv value used for exposure calculation based on the correspondence shown in Table 3. A correction value ΔEvsmin of the lowest speed shutter control value when is set to auto, and a correction value ΔEvsfl of the strobe light emission switching shutter #control value Evifl are set.

Table 3' DX2 3 4 1SOSv ΔEvsmi
n ΔEvsf+1 1 1 25
3.0 0.00 0.01 1
0 50 4.0 0.00
0.01 0 1 100 5.0
0.00 0.01 0 0 20
0 6.0 0.25 0.50
1 1 400 7.0 0.50
1.00 1 0 800 8
．． 0 0.50 1.00 0 1
1600 9.0 0. EiO1,00
00320010,00,501,0When the film sensitivity is set to high, the camera of this example does not use the increase in sensitivity only to lower the automatic flash switching brightness, but also reduces image quality due to camera shake. Also used to prevent deterioration. Therefore, when the film sensitivity is high, the light emission switching shutter control value Evsf
By increasing l, the reduction in automatic flash switching brightness is suppressed to about half of the conventional level, and the corresponding exposure is used to increase the minimum shutter speed.

ΔEvsmln and ΔEvsfl are correction values of the light emission switching shutter control value Evsfl of the lowest speed shutter control value Evsmin based on the sensitivity 150100.

Tables 4 and 5 show the light emission switching brightness and the lower limit of the AE interlocking range of the camera of the present invention, with Table 4 showing the values on the wide side and Table 5 showing the values on the tele side. . (however,
Brightness value Lv=subject brightness 33v+5 is defined. ) 83 Table 4 Wide ISO1001SO2001SO
400 light emission switching brightness (Lv) 9.00 8
．． 50 8.00 Light emission switching value (Ev@fl)
9.00 9.50 10.00AE interlocking range lower limit (Lv) 9.00 8.25 7.50
Minimum speed shutter control value (Evsmin) 9,00 9.25
9.50 Shutter speed 1145 seconds 1154
Seconds 1164 seconds Table 5 Tele ISO1001SO2001SO4
00 Light emission switching brightness (Lv) 10.75 10.
25 9.75 Emission switching value (Evsfl) 9
．． 50 10.00 10.50AE interlocking range lower limit (Lv) 10.75 10.00 9.25
Minimum speed shutter control value (Evsm(n) 9.50 9.75
10.00 Shutter speed 1164 seconds 1176
Seconds 1190 seconds With the above settings, the lowest speed shutter control value Evsmin changes according to the film sensitivity, so when using a film with high sensitivity, the effects of camera shake can be more effectively prevented. .

4- In addition, when performing the control shown in the table above, the lowest speed shutter control value Evsmin and the light emission switching shutter control value E
vsfl do not take the same value, and Evsn+in <E
In the region where vsfl, the strobe light emission range and the AE interlocking range partially overlap. In this case, FM
FM at an aperture value that is about IEv smaller than the aperture value calculated by calculation.
By controlling the exposure, it is possible to obtain a preferable exposure without excessively overexposing the image.

In step EF5, the correction amount α for the aperture F number, the light emission switching shutter control value Evsf1 when the exposure method is auto, and the lowest speed shutter control value Evsmin are calculated from the lens focal length code DIV according to the correspondence shown in Table 6.
, the amount of change ΔGNo in the strobe guide number with respect to the wide end is determined.

Table 6 DIV aI WIDE
End 0018 2 0 1/8 3 0 1/8 4 0 2/8 5 0 2/8 6 0 3/8 7 0 3/8 80 4/8 9 0 4/8 A 05/8 0515 C06/8 D O6/8 E 0 7/8 p O7/8 10 1 010 11 1 0/8 12 1 1/8 13 1 1/8 14 1 2/8 15 Position E end 1218 And the above data Evsmln, Evsfl ΔGNo.

9 0/8 0/8 9 0/8 0/8 9 0/8 0/8 9 0/8 1/8 9 0/8 1/8 9 0/8 1/8 9 0/8 1/8 9 0/8 1/8 9 0/8 21B 9 0/8 2/8 9 0/8 2/8 9 0/8 2/8 9 0/8 2/8 9 1/8 3/8 9 1/8 3/8 9 2/8 3/8 9 2/8 3/8 9 3/8 3/8 9 3/8 4/8 9 4/8 4/8 9 478 478 is input from the sub CPU in step RF6. Based on the photometric data, AEFM (automatic exposure, flashmatic) calculation processing shown in FIG. 39 is performed in step EF7,
M data is set.

5-6 In steps EF8 to EFL3, the calculated FM
If the data indicates strobe firing, it is determined whether the charging voltage of the strobe capacitor has reached a level that allows strobe firing, and if it has reached the level that allows strobe firing, the red lamp is lit and strobe firing is completed. is displayed, and if it is impossible, the process enters steps EF14 to EF18 to wait for charging.

However, the flag? If AUTOREL is 1 and the imaging method is interval, the voltage is not checked.

This is because during interval photography, charging control is performed every time one photograph is taken, as shown in interval control in FIG. Also, the flag? When AUTOREL is 1, it is assumed that the photographer is away from the camera, so no red lamp is displayed. By the way, the flag? AUTOREL is set to 1 when taking the second and subsequent shots in each of the interval, self-timer, and self-twist shooting methods, and is mainly used to pass the metering switch and release switch status judgment for entering the release sequence and automatically This is used to cause the camera to take pictures.

87- If it is determined in step EF8 that the strobe is not emitting light, there is no need for charging, so steps EF9 to EF13 are skipped, and the process proceeds to step EF21 and subsequent steps.

The charging wait processing in steps EF14 to EP18 is a flag? When AUTOREL is 1, that is, if the photographing method is self-timer or self-TV and the second or later photograph is to be taken, an interruption determination is made; otherwise, the metering switch determination is repeated and charging control is repeated until charging is completed. If charging is completed, the process is executed again from step EP8, and if the return value of the interruption determination is YES during charging, or if the photometry switch is turned off, step EF is executed.
19. At EF20, turn off the green lamp and red lamp, stop charging, and transfer control to the main.

In steps EF21 to EP23, the set LLlA
E.

Outputs each FM data to the sub CPU.

Then, when taking the second and subsequent pictures in each of the interval, self-timer, and self-TW shooting methods, the process skips the photometry and release switch determination and jumps to "S" in FIG. 88.38. Step EF25.
In the EF26, wait for the release switch to be turned on with the condition that the metering switch remains on.
When the release switch is turned on, the process proceeds to "R" in Figure 38, and if the metering switch is turned off before the release switch is turned on, the red and green lamps are turned off in step EF27 and the process returns to main processing. and jump.

Steps EF28 to EF54 in FIG. 38 are processes for waiting for a time until release when the shooting method is other than one frame. If the shooting method is 1 frame, step EPS5 is executed directly from EF28 and EF36 without going through these processes.
Processing continues.

As mentioned above, since the second and subsequent shots are taken from the "S" terminal, steps EF29 to EF35 are used for the first shot in interval shooting mode, and steps EF37 to EF42 are used for the first shot in self-timer and self-TW mode. is executed.

First, if the shooting method is interval, step E
At F29 to EF32, set the INT timer to the INT timer and set the flag? AUTOREL
1. Set the interval mark to blink to indicate that it is in operation, and allow the remaining interval time to be displayed. In step EF33, the maximum number of images to be taken in an interval is set to 40 in the exposure counter EXPC.

Here, if the start time is 10 seconds, the following process will wait for the start time, but if it is 10 seconds or more, step E
Proceeding from F34 to step EF35, the green lamp and red lamp are turned off, and the process branches to the interval control shown in FIG. 42.

If the shooting method is self-timer or self-TW, the INT timer is set to 10 seconds in steps EF37 to EF39, and the flag ? AUTOREL 1
The self-timer mark will flash to indicate that it is in operation. Next, if the shooting method is self-timer, set the specified number of self-timer shots in the exposure counter EXPC, and if shooting with self-TV, set 2 to EXPC.
Set the number of sheets.

In addition, in the case of interval shooting, if the time until shooting is within 10 seconds, there is little need to change the photometry data.
If more time has passed, there is a high possibility that the subject brightness has changed, and it is safer to perform metering again. We are planning to do so.

Steps EF43 to EF46. The EF70 waits for the INT timer to time up while keeping the self-timer lamp lit while repeating the interruption determination, and when the remaining time on the INT timer becomes less than 3 seconds, it flashes the self-timer lamp to notify that shooting will begin. . If the return value of the interruption determination is YES, step EF4
At step 7, the red lamp and green lamp are turned off and control is transferred to the main control.

Steps EF48 to EF54 are IN depending on the shooting method.
This is a process to reset the T timer. In the case of a self-timer, if the initially set number of self-timer images is 3 or more, it is set to 2 seconds, and if it is 2 or less, it is set to 5 seconds. In the case of self-twist, the number of shots is fixed at two, so it is set to 5 seconds. In the case of In91-Tarpal, in order to avoid the display returning to a number other than 0 due to the time-up of the INT timer, the remaining time display is prohibited and 0 seconds is forcibly displayed.
Set the interval time to the INT timer.

The reason for changing the time until the second and subsequent shots depending on the number of shots taken by the self-timer as described above is that when taking multiple photos with the self-timer, the purpose is to print more copies or to change the scene. This is because it is thought to be summarized into two patterns: to obtain photographs, and the intervals required for each purpose are considered to be different.

That is, if the purpose is to print more copies, the same scene may be used, so the shooting time interval may be short, but if the scene is to be changed, it may take some time to rearrange the image.

Therefore, if the purpose can be determined, the interval time until the next photographing can be changed in accordance with the purpose. Here, considering that the number of shots taken at a time when fishing by boat is relatively high when the purpose is to print more copies, and the number of shots taken at once is small when the purpose is to change the scene, the number of shots taken by the self-timer is 3. If you have more than 2 copies, set the interval to 2 seconds, assuming that the purpose is to print more copies, and if you have 2 copies, set the interval to 5 seconds, assuming that the purpose is to change the scene.
It is set to seconds.

The release sequence of steps EF55 to EF62 is executed immediately after the release switch is turned on if the photographing method is one frame, or after the INT timer times up in the case of other methods. Here, first, the red lamp, green lamp,
After turning off the self-timer lamp and outputting a shutter start signal to the sub CPU, confirm that a shutter operation end signal is input from the sub CPU.

If the shooting method is single-frame shooting, the process directly proceeds to the wind process; in other cases, the exposure counter is decremented and then the process proceeds to the wind process.

However, if this counter becomes 0, the subroutine for automatic exposure cancellation is executed, and then the process proceeds to wind processing.

(AEFM Calculation Process) -93= Figure 39 shows the AEFM calculation subroutine called at step EF7 during the AEAF control process.

This process sets the exposure data to be output to the sub-CPU, determines whether the strobe emits light or not, and determines the aperture value Avs when flashing.

In step AMI, flag? Clear BVmin,
Set FM data to non-emission.

Next, in steps AM2 to AM4, if the photometric value Bv is less than or equal to the lower limit value 1.0, a flag? Assuming BVmin to be 1, the photometric value Bv is rounded to 1.0, and the upper limit is limited to 12.0.

In step AM5, film sensitivity Sv and photometric data B are
An exposure value Eve is calculated from v and a correction value α of the open F-number based on the wide end.

In steps AM6 to AM8, the exposure method is strobe ON.
In the case of , if it is auto and the photometric value is below the lower limit,
Alternatively, if the exposure value is less than the light emission switching shutter control value, perform the FM calculation in steps AM9 to AM13, and otherwise perform step AM with the strobe not emitting light.
Proceed to step 14. Note that the light emission switching shutter control value Evsfl of the step 94-bu AM8 is a value after correction to which the above-mentioned correction value ΔEvsfl is added.

In step AM9, the AFstep determined based on the distance measurement data is set to the aperture value A corresponding to the reference guide number.
Convert to vs. Then, in step AMIO,
Add the change in guide number ΔGNo due to the strobe's own zooming to Avs, and the change in film sensitivity (Sv-5) based on l5O100 to obtain the open f-number based on the wide end based on the change in lens focal length. Avs is obtained by subtracting the correction amount α.

In steps AMII to AM13, the lower and upper limits of the Avtr value are limited between 3.5 and 8.0, and the Avs value is set as FM data.

In steps AM14 to AM16, the upper and lower limits of the exposure value Eve are limited, and these are set as AE data and AMAF
Return to control processing. The lowest speed shutter control value Rvsmin in step AM15 is the above-mentioned correction value ΔEvm.
This is a value corrected by adding m+n.

- Interruption Determination Process, Automatic Release Cancellation Process>95- FIG. 40 is a flowchart showing the interruption determination process. This process is self-timer and self-TV.

This is a process to interrupt automatic interval shooting.
executed in a loop. In automatic shooting, after entering each sequence, shooting is performed automatically without any instructions from the photographer, so this process is necessary in case you want to interrupt this in the middle of the sequence.

In steps DCI to DC4, if the loading is not completed, the return value is YES if either the back cover switch or the main switch is ON, and both are OFF.
If loading is completed, the return value is YES, and even if the camera back switch is OFF, or the camera back switch is ON, if the main switch is ON, the return value is YES, and the camera back switch is ON. If it is ON and the main switch is OFF, the answer is No.

If the return value is YES in the interruption determination or if automatic release release processing is to be performed, steps DC5 to D
At the CIO, the auto release state is canceled, the self-timer lamp is turned off, and if the shooting method is self-timer or self-TV, the self-timer mark displayed on the LCD changes from blinking to indicate that it is in operation. It switches to lighting to indicate the standby state, and similarly, in the case of an interval, it switches the interval mark from blinking to lighting, and changes the time display to focal length display.

- Wind processing> FIG. 41 shows the wind processing that branches after photographing in AEAF control. This process involves winding the film one frame after photographing.

Is step WDI a flag? It is determined from the state of FLEXZ whether or not a film has been set, and if there is a film, the wind pulse counter WPC is set to 4 in steps WD2 to WD5 and the above-mentioned wind pulse counting process is executed to ensure normal operation. If the process is completed, the number of sheets counter is incremented and the number of sheets is displayed on the LCD panel.

If the return value of the wind pulse count process is "stop", step 97 is entered in steps WD6 to WD7, and if the camera back is open, the process returns to the main process, and if the camera back is closed, the process shown in FIG. 40 is performed. After executing automatic release release, the process branches to rewind processing.

If steps WD2 to WD5 are skipped because there is no film, or if the wind pulse count process ends normally, the process returns to main processing if the shooting method is single-frame shooting, or returns to AEAF control if the shooting method is self-timer. If it is a self-TV, wide movement 2 processing is performed to set the lens at the wide end, and then AEAF control is entered. Further, if the imaging method is interval, the process branches to interval control, which will be described later.

- (Interval control) Fig. 42 shows a flowchart of interval control that is executed after branching from wind processing.This processing is performed after two large shots when the shooting method is set to interval. This is a process that waits while measuring the set interval time for shooting.In cases other than intervals, the process is normally executed in a loop within the main process, but
In the case of interval 98 pulses, the processing is executed in a loop between the AEAF control processing and the interval control processing without going through the main processing.

When this process starts, in steps INI to INS,
Set the INT timer to the remaining time of the interval, that is, if the time until the next shooting is less than 5 seconds when the strobe is off, set it to 5 seconds, and for other methods, set it to 11 seconds if it is less than 11 seconds. do.

This is the minimum waiting time required for the camera system, and if necessary before entering the loop described later,
This is the process of resetting the T timer.

Note that in shooting methods other than strobe OFF, there is a possibility that the strobe will emit light, so extra time is taken to charge the strobe capacitor.

In step IN6, display of the remaining interval time in the above-mentioned interrupt processing is enabled, and in steps IN7 to l
The interruption determination is repeated by the loop of Nl0 until the remaining time of the interval becomes less than 5 seconds or 11 seconds determined by each imaging method.

If the result of the suspension judgment is YES, that is, the suspension is suspended9- If so, the process branches to the main flow and is executed.

The loop from steps INII to IN17 is a process that repeats the interruption determination until the remaining time of the interval becomes less than 3 seconds, and if the exposure method is other than strobe OFF, the strobe charging control is repeatedly executed, and the remaining time of the interval is When the time is less than 5 seconds, strobe charging is stopped. Therefore, when using an exposure method other than strobe OFF, charging control is performed for 6 seconds.

The strobe charging control in step IN14 is a process of starting charging if the charging voltage of the strobe capacitor has not reached a predetermined level, and does not perform any operation if the voltage has reached a predetermined value.

If the remaining time of the interval is less than 3 seconds, the above A
The EAF control process is executed from the terminal of ``rAEAF control 3'', and if the result of the interruption determination is YES before that, the process branches to the main flow.

(Rewind processing) Figure 43 shows branching from wind processing or
- It is a flowchart which shows the rewind process which branches from step MA30 of an in process. This process is executed when the film is wound to the end, or when rewinding is specified by a predetermined operation, and is the process of returning the film to the cartridge.

In steps RW2 to RW4, the lens is returned to the storage position, the wind motor is reversed, and the wind pulse counter WPC is set to 4, which corresponds to one frame winding.

Next, in step RW5, a flag indicating the start of the 2-second timer is set. Clear 2START and step R
After starting the 3.5 second timer in W6,
A loop of steps RW7 to RW21 is entered.

In this loop, the input of the back cover switch and wind pulse WP is repeated, and the number of sheets counter is subtracted and displayed every four times the wind pulse rises, and if there is no pulse change within a predetermined time, or the back cover is opened. You can exit if you are The time limit is 2 seconds, but the motor continues to rotate for 3.5 seconds after the wind motor is reversed, regardless of the state of the camera back or the wind pulse. This is because wind pulses may not be generated due to slack in the film or the like at the beginning of the motor rotation, so the motor is rotated a little longer.

Until the 3.5 second timer times up, the process proceeds from step RW7 to step RWIO, where switch input is performed and used for determination in steps RWII and RW12.

Assuming that the camera back is closed, step R
A loop of steps RW13, RW7, and steps RWIO to RW13 is formed until it is determined in W12 that there is a change in the wind pulse WP. After the 3.5 second timer times up, step RW8, RW
At 9, a 2 second timer is started and a flag? 2S
Set TART to 1, step RWIO~RW14
A loop is formed.

If there is a change in the wind pulse, the process proceeds from step RW12 to step RW15, and the change is turned OFF.
Is it a change (rise) from to ON, or is it ON?
It is determined whether the change is from to OFF.

102 Furthermore, if the change in the wind pulse is a rising edge, the wind pulse counter wPc is decremented in step RW16, and it is determined whether the wind pulse counter wPc has become O or not. If it becomes 0, it is determined that the film has been rewound by one frame, and in steps RW17 to RW19, the number of sheets is subtracted, the number of sheets is displayed, and the wind pulse counter is reset.

Step RW20 is a process that is executed in any case when there is a change in the wind pulse, and as described in the above-mentioned wind pulse count process, signal input is not performed in a region where there is theoretically no change in the signal. This is a process to reduce the influence of bad inputs such as chattering.

Before starting the two-second timer, the process returns from step RW21 to step RW7, and after starting, the process returns to step RW8 to restart the two-second timer.

If the camera back is opened during the above loop, in steps RW22 to RW24, if the 35 second timer has timed up, after the winder initialization process,
The wind motor is stopped and the process proceeds to step RW30.

If there is no change in the wind pulse until the 2-second timer times up, it is determined that there is no film or that the film has been completely rewound, and the process starts at step RW25.

In steps RW25 to RW29, after the wind motor is stopped, if there is film, a flag indicating the end of rewinding is set? Set REVEEND to 1 and set the number of sheets counter to 0.
to display the number of sheets. If there is no film, steps RW27 to RW29 are skipped and the process proceeds to step RW30.

Steps RW30 to RW32 are processes for rotating the wind motor that has stopped once in the normal direction for 0.5 seconds to release the drive system engaged with the spool shaft and free the spool shaft for the next loading. .

When the rewind process ends, the process returns to the lock process and continues.

[Effects] As explained above, according to the automatic photographing device of the camera of the present invention, it is possible to take photographs with different scenes on the camera side during a series of automatic photographs, and furthermore, the focal length can be changed to the wide side. When changed to , it is possible to widen the angle of view and prevent objects from being omitted in the peripheral areas.

[Brief explanation of drawings]

1 to 3 show the external appearance of the camera, with FIG. 1 being a plan view, FIG. 2 being a front view, and FIG. 3 being a rear view. Fig. 4 is a block diagram of the control circuit, Fig. 5 is an explanatory diagram of the contact configuration of the zoom switch, Fig. 6 is a display correspondence diagram of the exposure method, Fig. 7 is a display correspondence diagram of the shooting method, and Fig. 8 is an LCD diagram. An explanatory diagram of the panel segments, Fig. 9 is a developed diagram of the code plate and a diagram of the correspondence between the code plate and each code, Fig. 10 is an explanatory diagram showing an example of zooming operation, and Fig. 11 is an explanatory diagram of the wind pulse switch. , FIG. 12 is an explanatory diagram showing an example of the output of the wind pulse. 13 to 43 are flowcharts showing the functions of the camera of this embodiment, in which FIG. 13 shows the reset 105 process, FIG. 14 shows the exposure and shooting method initialization process, and FIG. 15 shows the zoom initialization process. , Figure 16 shows the locking process,
Fig. 17 shows sheet count display processing, Fig. 18 shows winder system initialization processing, Fig. 19 shows loading processing, Fig. 20 shows wind pulse count processing, Fig. 21 shows interrupt processing, and Fig. 22 shows
Figure 23 shows the main process, Figure 24 shows the lens storage process, etc., Figure 25 shows the lens automatic return process, and Figures 26 to 29.
The figure shows tele wide processing, Fig. 30 shows wide movement 2 processing, Fig. 31 shows zoom tele processing, Fig. 32 shows zoom wide processing, Fig. 33 shows exposure and shooting method setting processing, Fig. 34 shows variable setting processing, and Fig. 35 The figure shows variable selection processing, Fig. 36 shows variable display processing, Figs. 37 and 38 show AEAF control processing, Fig. 39 shows AEFM calculation processing, Fig. 40 shows interruption processing, and Fig. 4
1 shows wind processing, FIG. 42 shows interval control processing, and FIG. 43 shows rewind processing. 106- JP-A-3-253826 (29) 13 Fig. 4 Fig. 18 Fig. 9 JP-A-3-253826 (37) JP-A-3-253826 (41) 25 Fig. 6 Fig. 7 Fig. 35 SELEMODE interval time Procedural amendment (method) Procedural amendment (voluntary) 1990 Patent Application No. 53094 Name of invention Relationship to the case of person who corrects automatic photographing device of camera Applicant name (052) Asahi Optical Co., Ltd. Agent Address: 135 Phone: 820-1811 Address: 1-14-3 Monzennakacho, Koto-ku, Tokyo June 11, 2010 (
Date of dispatch: June 26, 2016) All drawings subject to amendment April 18, 1991 1990 Patent Application No. 53094 2, Name of invention: Automatic photographing device for camera 3, Person making the amendment Case Relationship with Applicant Name (052) Asahi Optical Industry Co., Ltd. 4, Agent
135 Telephone 3820-1811 Address 1-14-35 Monzennakacho, Koto-ku, Tokyo Insert the following sentence on a new line after the specification to be amended. "The main switch, mode switch, select switch, and drive switch are ON only while each button is pressed, and OFF when the button is released.
do. ” (2) “Self TW” in lines 16 to 17 of page 11 of the statement should be replaced with “Self TW (a mode that takes two pictures with the self-timer, the first one being The photograph is taken at the focal length set by the user, and the second photograph is automatically taken with the lens set to the wide end) (3) Page 12 of the statement, line 16 - Line 19 says, ``Here, it is the time...''.''Here, the interval start time is the time from when the release switch is turned ON in interval mode until the first shot is taken.''"It'stime," he corrected. (4) On page 23, line 14 of the specification, the phrase "immediately before automatic storage" is amended to read "immediately before automatic storage." (5) In the first line of page 35 of the specification, the word "other" is corrected to "other that counts time-up every 50 m5." (6) On page 35 of the specification, line 13, after the statement ``This will be executed.'', the line is changed to ``The 0.5 second hard timer will be started during the reset process.''
(not shown). ” is inserted. (7) In the 15th line of page 35 of the specification, the phrase ``a plurality of'' is corrected to ``ro, a plurality of times that count time-ups every 5 seconds''. (8) r on page 70 line 13 of the statement 77M3WOF
”, r? Correct with MDSWOF, +. that's all

Claims (3)

[Claims] (1) A zoom means for changing the focal length of the photographic lens; an automatic photographing means for automatically taking a set number of photographs; and a means for automatically photographing a set number of times; and a zoom control means for controlling the zoom means to change the focal length between the camera and the camera. (2) The zoom control means is configured such that during a series of automatic shooting, shooting is performed with the focal length set before starting automatic shooting and with the focal length changed to a wide side. 2. The automatic photographing device for a camera according to claim 1, further comprising a zoom means. (3) The automatic photographing means automatically performs two photographs, and the zoom control means maintains the focal length in the state set before starting automatic photographing during the first photographing, and 2. The automatic photographing device for a camera according to claim 1, wherein the zoom means is controlled to set the focal length to a wide end at the time of second photographing.