JP3349241B2 - Camera with slide cover - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a camera which is used by moving a slide cover at the time of photographing, and more particularly to a camera which can operate a slide cover of a small camera with one hand.

[0002]

2. Description of the Related Art A camera with a slide cover is, for example,
This is known from Japanese Utility Model Publication No. 60-82622. In this camera, a slide cover is manually moved from a closed position to an open position during photographing and from an open position to a closed position during non-photographing.

Recently, there has been proposed a small-sized film cartridge smaller in size than a 135-type film cartridge containing a roll film having a width of 35 mm. For example, Japanese Patent Application Laid-Open No. 5-257234 discloses a spoon in a film patron.
There is disclosed a small-sized film cartridge in which a film shaft is rotated to feed the film from the inside to the outside. This small film patrone is
Compared to the 25 mm diameter of conventional 135-type film patrones,
The diameter has been reduced to 14 to 20 mm, and the area per screen exposed on the film has been reduced to about 860 mm ²
It is 350 mm larger than that of conventional 135-inch film cartridges, and has the advantage that it is not necessary to pull out the tip of the film and set it in the camera, and it does not require any skill for loading. are doing. Many cameras and systems using such a small film patrone have been proposed, and the size of the camera itself has been reduced.

[0004]

The camera with a slide cover disclosed in Japanese Utility Model Publication No. 60-82622 cannot be operated with one hand, so that the slide cover can be opened with the other hand. Action for
It was troublesome. In addition, there is a problem that a shutter chance is missed because of the operation for opening the slide cover.

When a miniaturized film patrone is used, the camera itself is also miniaturized, so that it is generally difficult to hold the camera. Therefore, if the size of the holding unit and the arrangement of the holding unit and other function buttons are not taken into consideration, when holding the lens, a problem such as covering the lens with a finger or causing a red-eye phenomenon occurs, which is extremely difficult to use. There was a problem of becoming a camera.

[0006] This application was made in view of the above problems, a first object, the slide cover - simply by sliding cover operating member for instructing an opening and closing of - closing is possible to allow the It is. A second object of the present invention is to secure a grip portion for holding the camera and to easily open and close the slide cover with one hand holding the camera.

[0007]

[MEANS FOR SOLVING THE PROBLEMS] To achieve the above object
The first camera with a slide cover according to the present invention is a camera.
1st position and non-photographing position of non-photographing
A movable position relative to the second position
Operated with one hand holding the ride cover and camera body
In the first or second position.
Generates an instruction signal for moving the slide cover.
Instruction signal generating means, and move to the first or second position.
At least one of the slide cover and the camera body
Driving means for driving the motor and an output of the instruction signal generating means.
Control means for controlling the drive means based on
It is characterized by having. Book to achieve the above purpose
The second camera with a slide cover of the invention of the present application
A slide cover having a grip portion for holding;
The first position, which is located at the time of non-shooting with respect to the ride cover
And a camera body that moves to a second position located at the time of shooting
And provided on the slide cover,
Is an instruction to position the camera body at the second position
A main body slide switch means for generating a signal;
The camera body is moved to the first or
Driving means for moving to position 2 and
And control means for controlling the driving means.
It is characterized by the following. To achieve the above object, the present invention
The camera with the third slide cover of the second slide
In a camera with a cover, the slide cover
Moving amount detecting means for detecting the moving amount of the camera body.
The control means is provided with an upper part based on the movement amount detecting means.
The driving means is controlled. Achieve the above purpose
4th tortoise with slide cover of the present invention
La is the first position that is located when not photographing and the position that is
Slide cover that can be positioned at one of the second positions
And the camera that can be operated with one hand while holding the camera body.
The first or second camera body with respect to the camera body.
Instruction signal for positioning the slide cover at the position
Instruction signal generating means for generating a signal;
Drive means for driving the slide cover and the camera.
Moving amount detecting means for detecting the relative moving amount with respect to the
And when there is an output from the instruction signal generating means ,
Relative movement amount detected by the movement amount detection means.
Control means for controlling the driving means based on the
It is characterized by having. To achieve the above purpose
The fifth camera with a slide cover in Ming
Of the first position to be positioned and the second position to be
Slide cover and camera body
Move the slide cover relatively to the first or second position.
Moving means to move, shooting position and retractable position where shooting is possible
Lens barrel that can be moved to and the lens barrel
Driving means, connecting the moving means and the driving means
Or disconnect the connection between the moving means and the driving means.
Switching means for switching and the camera body.
Generates an instruction signal for relatively moving the cover
Moving signal generating means for moving the
Position detecting means for detecting the position of the lens barrel;
Signal generating means and the output of the position detecting means,
Control means for controlling the driving means,
Means is that the lens barrel is moved from the retracted position to a predetermined position.
When being extended, the moving means and the driving means
Connected to drive the slide cover and the lens barrel
Transmitting the force, and the lens barrel is turned to the predetermined position.
When it is issued, transmission of the driving force to the slide cover is performed.
The lens barrel is released and driven to the photographable position
It is characterized by doing

[0008] "working" first slide cover of the present invention - with a camera, the camera
Operate the instruction signal generator with one hand holding the main unit
And an instruction signal is input to the control means, and the slide cover
Is located at the first position or the photographing position when the camera body is not photographing.
The driving means moves to the second position located at the time of shadow
Controlled. Second and third slide covers of the present invention
When the camera with the slide cover is operated with the hand holding the grip portion of the slide cover, the control means controls the instruction signal from the slide switch and the movement amount of the camera body. On the basis of the output from the moving amount detecting means, the driving means is controlled so that the camera body moves to the first position at the time of non-photographing or the second position at the time of photographing with respect to the slide cover. . Fourth turtle with slide cover of the present invention
The hand holding the camera body
When the step is operated, an instruction signal is input to the control means. So
And the relative movement between the slide cover and the camera body.
When the slide cover is not taken by the camera body
The first position located at or the second position located at the time of shooting
The driving means is controlled to move to. The present invention
Is the camera with slide cover 5 a moving signal generation means?
When an instruction signal is generated from the lens mirror, the switching means
When the cylinder is extended from the retracted position to the predetermined position,
The slide cover and the lens are connected by connecting the moving means and the drive means.
The driving force is transmitted to the lens barrel and the lens barrel is
When it is extended to the position, the driving force
Release the transmission and drive the lens barrel to the position where shooting is possible
I do.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to the illustrated embodiments. 1 to 4 are diagrams for explaining a first embodiment of the present invention. FIG. 1 is a front perspective view showing a photographing state when the camera is held by one hand, and FIGS. 2A and 2B are state diagrams showing states of a slide cover and a camera body in a photographing state and a non-photographing state. FIG. 3 is a perspective view showing a state of an internal configuration in a shooting state, and FIG. 4 is a block diagram showing a configuration of a control unit.

As shown in FIG. 1, a photographing lens 2 is provided substantially at the center of a camera body 1, and a finder window 3 is provided at an upper portion of the camera body 1. On both sides of the finder window 3, a distance measuring light projecting unit 4 for projecting infrared light toward the object to measure the distance of the object and a distance measuring unit for receiving reflected light reflected from the object. Light receiving section 5
Are arranged.

The camera body 1 includes the camera body 1
On the other hand, a first position covering almost all of the camera body 1 during non-shooting as shown in FIG. 2A, a photographing lens 2 and a finder window 3 of the camera body 1 during shooting as shown in FIG. ,
A slide cover 6 which moves relatively to a second position where the distance-measuring light projecting portion 4 and the distance-measuring light receiving portion 5 are exposed is provided. The slide cover 6 has a grip portion 7 for holding the slide cover 6, a release button 8 disposed at a position where the grip portion 7 can be pressed easily with an index finger while holding the grip portion 7, and a camera. A slide instruction button 9 for outputting an instruction signal for relatively moving the main body 1 to the first position or the second position is provided.

On the front of the slide cover 6, a strobe irradiation window 10 is provided at a position where the finger does not affect the light distribution even if the grip 7 is held.

Next, a configuration for operating the slide cover 6 will be described with reference to FIG. As shown in FIG.
In the vicinity of the end of the camera body 1 on the slide cover 6 side,
A motor 11 is provided, and a driving force from an output shaft 11a of the motor 11 is transmitted to a roller gear 13a through an interlocking gear 12 meshing with a pinion gear 11b.

The roller gear 13a is provided integrally with the roller 13. The roller 13 has a roller gear 1 attached thereto.
3a, a flange 13b provided integrally with the roller gear 13a, a roller 13c provided between the roller gear 13a and the flange 13b, and respective ends of the roller gear 13a and the flange 13b. The roller 13
Shafts 13d and 13e are provided for rotatably supporting the camera body 1 with respect to the camera body 1. The roller gear 13a, the flange portion 13b, and the roller portion 13c
The shafts 13d and 13e may be integrally formed.

A string A14 and a string B15 are wound on the roller portion 13c of the roller 13 on the roller gear 13a side and the flange portion 13b side, respectively. One end of each string is fixed to the roller portion 13c, and the other end is fixed to the inner peripheral surface of the slide cover 6, respectively. The cord A14 is wound around the roller portion 13c when the slide cover 6 is at the closed position where no photographing is performed with respect to the camera body 1, and when the slide cover 6 is at the open position where photographing is performed. Most of the strap is fixed to the inner peripheral surface of the slide cover 6 so as to be in an unwound state, and the string B15 is closed with respect to the camera body 1 when the slide cover 6 is positioned at the time of non-shooting. When it is in the open position, most of it is unwound, and when it is in the open position, which is located at the time of photographing, most of it is in the roller section 1.
3c so as to be wound around 3c.
6 is fixed to the inner peripheral surface. The string A14 and the string B15 are made of a material that does not expand or contract.

FIG. 4 is a block diagram showing the configuration of the control means of the first embodiment. The control circuit 17 comprises a microcomputer and its peripheral circuits, and controls the processing of the sequence of the camera and the relative opening and closing operation between the camera body 1 and the slide cover 6. The control circuit 17 includes a slide instruction switch 18 which is switched by pressing the slide instruction button 9, and a release button 8.
A release switch 19 for generating a two-stage signal by pressing the switch, and a motor drive circuit 20 for controlling the forward / reverse rotation of the motor 11 based on a signal from the control circuit 17.
A position detecting sensor such as a photo interrupter (PI) or a photo reflector (not shown) is connected, and a relative position detecting circuit 21 for detecting a relative position between the camera body 1 and the slide cover 6 is connected.

Next, the operation of the first embodiment will be described below. First, the operation of setting the camera in the non-photographing state shown in FIG. As shown in FIG. 1, the camera in the non-photographing state shown in FIG. 2A holds the grip 7 of the slide cover 6 with one hand. When the slide instruction button 9 is pressed while the camera body 1 is held, the camera body 1 is moved to the slide cover 6.
1 or 2 (b) to expose at least the photographing lens 2, the finder window 3, the distance measuring light projecting unit 4, and the distance measuring light receiving unit 5. I do. When this movement is detected by the relative position detection circuit 21, the power of the camera body 1 is turned on, and photographing is possible.

The relative movement between the camera body 1 and the slide cover 6 is controlled by a control circuit 17. The control circuit 17 drives the motor drive circuit 20 based on a slide instruction signal when the slide instruction button 9 is pressed, and controls the motor 11 based on a signal from the motor drive circuit 20. It is driven to rotate clockwise. The driving force of the motor 11 is transmitted to a pinion gear 11b via an output shaft 11a, and the driving force transmitted to the pinion gear 11b is transmitted to an interlocking gear 12 meshing with the pinion gear 11b.

The driving force transmitted to the interlocking gear 12 is
The power is transmitted to a roller gear 13a fixed to one end of a roller 13 meshed with the interlocking gear 12, and this roller gear 1
The roller 13a, which is rotatably provided with respect to the camera body 1, is rotated clockwise by rotating the 3a clockwise.

By the clockwise rotation of the roller 13, the string B15 wound around the roller 13 is wound, and the camera body 1 moves relatively to the slide cover 6 held. To the shooting position. At this time,
Low so that the relative movement of the camera body 1 goes smoothly.
The winding of the string A14 wound around the la 13 is released.

The stop position of the camera body 1 is detected by a sensor (not shown) connected to the relative position detection circuit 21 and is controlled by sending this detection signal to the control circuit 17. That is, the control circuit 17 controls the motor drive circuit 20 to stop the motor 11 so that the camera body 1 is stopped at a position where the camera body 1 can be photographed relatively to the slide cover 6. .

Next, the operation of shifting from the photographable state to the non-photographable state will be described. When the slide instruction button 9 is pressed again, the control circuit 17 drives the motor drive circuit 20 based on the slide instruction signal due to the press of the slide instruction button 9, and the motor drive circuit 20 The motor 11 is driven to rotate counterclockwise based on this signal. Thus, the driving force from the output shaft 11a is reduced through the pinion gear 11b and the interlocking gear 12.
The roller 13 is transmitted to the gear 13a to rotate the roller 13 with respect to the camera body 1.

In association with the rotation of the roller 13, the string A14, which has been unwound, is wound around the roller 13, and the camera is mounted on the slide cover 6 held by one hand. The non-photographing state position shown in FIG. 2 (a) where the main body 1 is relatively moved so that at least the photographing lens 2, the finder window 3, the distance measuring light projecting unit 4 and the distance measuring light receiving unit 5 are blocked. Move up to. At this time, a string B wound around the roller 13 so that the relative movement of the camera body 1 goes smoothly.
Is unwound.

The stop position of the camera body 1 at this time is detected by a sensor (not shown) connected to the relative position detection circuit 21, and is controlled by sending this detection signal to the control circuit 17. That is, the control circuit 17 stops the motor 42 via the motor drive circuit 20 so as to stop the camera main body 1 at a position where the camera body 1 is not photographed relative to the slide cover 6. When the movement is completed, the control circuit 17 automatically turns off the power of the camera body 1.

As described above, according to the camera with the slide cover of the first embodiment, the slide cover 6 can be automatically opened and closed simply by operating the slide instruction button 9. . Further, the grip portion 7 for holding the camera is secured, and the opening and closing operation of the slide cover 6 can be easily performed with one hand holding the camera. Further, when in the photographing state, the distance between the strobe irradiation window 10 and the photographing lens 2 can be ensured, so that red-eye can be prevented.

FIGS. 5A, 5B and 6 are diagrams for explaining a second embodiment of the present invention. 5A is a state diagram showing a state of the slide cover and the camera body in the photographing state, FIG. 6B is a perspective view showing an internal configuration in the photographing state.

As shown in FIG. 5B, a strobe irradiation window 32 is provided at an end of the camera body 31 so as to be exposed to the outside. A photographing lens 33 is disposed on the camera body 31 adjacent to the strobe irradiation window 32, and a finder window 34 is disposed above the photographing lens 33. On both sides of the finder window 34, a distance measuring light projecting unit 35 for projecting infrared light toward the object to measure the distance of the object, and a distance measuring unit for receiving the reflected light reflected from the object. A light receiving unit 36 is provided.

The camera body 31 has a first position which covers almost the entire camera body 31 except for the strobe irradiation window 32 at the time of non-shooting as shown in FIG. 5B, the slide cover relatively moves to the second position exposing the photographing lens 33, the finder window 34, the distance measuring light projecting unit 35, and the distance measuring light receiving unit 36 at the time of photographing shown in FIG. -37 is provided. The slide cover 37 is provided with a grip portion 38 for holding the slide cover 37 (see the grip portion 7 in FIG. 1), and at a position where the grip portion 38 can be easily pressed with an index finger while holding the grip portion 38. Release button 39 and the slide instruction button 4 for outputting an instruction signal for relatively moving the camera body 31 to the first position or the second position.
0 is provided.

The slide instruction button 40 is different from the pressing type of the first embodiment as shown in FIG.
By sliding with respect to 1, the switch is turned on.

Next, a structure for operating the slide cover 37 will be described with reference to FIG. As shown in FIG. 6, a motor 42 is provided near the end of the camera body 31 on the slide cover 37 side, and an output shaft 43 for transmitting a driving force is connected to the motor 42. Have been. A pinion gear 44 is fixed to the tip of the output shaft 43.
On the other hand, a rack gear 45 meshing with a pinion gear 44 fixed to the motor 42 is provided on the slide cover 37.
By transmitting the forward or reverse driving force of the motor 42 to the rack gear 45, the camera body 31 and the slide cover 37 are relatively moved. I have. Note that a pin rack or a worm gear may be used instead of the rack gear 45.

The control of the motor 42 in this embodiment is performed in the same configuration as that of the first embodiment shown in FIG.

Next, the operation of the second embodiment will be described below. First, the operation of setting the camera in the non-photographing state shown in FIG. As shown in FIG. 1 of the first embodiment, the grip portion 38 of the slide cover 37 of the camera in the non-photographing state of FIG. 5A is held with one hand. (The holding state diagram is omitted.) When the slide instruction button 40 is pressed in the holding state, the camera body 31 is moved to the slide cover.
37, and slide at least the taking lens 3
3. The finder window 34, the distance measuring light projecting unit 35 and the distance measuring light receiving unit 36 are exposed, and move to the photographable position shown in FIG. At this time, since the strobe irradiation window 32 is provided in the camera body 31 from the beginning, it is always exposed to the outside. Then, when the movement is completed, the power of the camera body 31 is turned on, and photographing is possible.

Here, the relative movement between the camera body 31 and the slide cover 37 is controlled by the control circuit 17 (see FIG. 4 illustrating the first embodiment).
The control circuit 17 drives the motor drive circuit 20 based on a slide instruction signal when the slide instruction button 40 is pressed, and controls the motor 42 based on a signal from the motor drive circuit 20. It is driven to rotate counterclockwise. The driving force of the motor 42 is transmitted to a pinion gear 44 via an output shaft 43, and is transmitted to a rack gear 45 meshing with the pinion gear 44.

Thus, the camera body 31 is relatively moved with respect to the slide cover 37 held. The stop position of the camera body 31 is determined by the relative position detection circuit 2.
1, which is detected by a sensor (not shown) connected to
This detection signal is controlled by being sent to the control circuit 17. In other words, the control circuit 17 controls the motor drive circuit 20 to move the motor 42 so that the camera body 31 is relatively moved with respect to the slide cover 37 and stopped at the photographable state. Stop.

Next, the operation of shifting from the photographable state to the non-photographable state will be described. When the slide instruction button 40 is pressed again, the control circuit 17 drives the motor drive circuit 20 based on the slide instruction signal resulting from the press of the slide instruction button 40, and the motor drive circuit 20 The motor 42 is driven to rotate clockwise based on this signal. As a result, the output shaft 43, the pinion gear 44, and the rack gear 45 are driven, and the camera body 31 is moved in a direction opposite to the direction in which the slide cover 37 is brought into a photographable state.

The movement of the camera body 31 is detected by a sensor (not shown) connected to the relative position detection circuit 21, and this detection signal is sent to the control circuit 17. Then, the control circuit 17 controls the motor drive circuit 20 to stop the motor 42, whereby the slide cover-3 is controlled.
The camera body 31 is relatively moved with respect to 7 and stopped at a position where photographing is possible.

As described above, according to the camera with the slide cover of the second embodiment, the slide cover 37 can be easily opened and closed only by operating the slide instruction button 40. Further, the grip 38 having a size capable of holding the camera with one hand can be secured, and the opening and closing operation of the slide cover 37 can be easily performed with one hand holding the camera. Further, since the relative movement between the slide cover 37 and the camera body 31 can be realized only by the simple configuration of the pinion gear 44 and the rack 45, the assemblability and reliability are improved as compared with the first embodiment. To be peeled off.

FIGS. 7A, 7B and 8 are diagrams for explaining a third embodiment of the present invention. FIG. 7A shows a non-photographing state, and FIG.
FIG. 8 is a state diagram showing the state of the slide cover and the camera body in the photographing state, and FIG. 8 is a perspective view showing the state in which the movement of the slide cover and the retracting operation of the photographing lens are linked.

As shown in FIGS. 7A and 7B, the camera body 5
In FIG. 1, a distance-measuring light projecting section 52 for projecting infrared light toward the subject in order to measure the distance to the subject is disposed so as to be exposed to the outside. A photographing lens 53 is provided adjacent to the distance measuring light projecting section 52, and a finder window 54 and a distance measuring light receiving section 55 for receiving the reflected light reflected from the subject are disposed above the photographing lens 53. Have been. On the camera body 51 on the opposite side of the distance measuring light emitting section 52, a strobe irradiation window 56 is provided.

The camera body 51 has a first position which is a non-photographing position shown in FIG. 7A and a second position which is a photographing position shown in FIG. And a slide cover 57 that can slide. When the slide cover 57 is at the first position, the finder window 54 provided on the camera body 51 and the distance-measuring light-receiving section 55 are exposed to the outside. The camera body 5
1, a notch 57a for exposing the strobe irradiation window 56 to the outside, and a grip 58 (see FIG. 1) for holding the slide cover 57 are provided. Therefore, when the slide cover 57 is at the first position, only the photographing lens 53 and the strobe irradiation window 56 are covered. When the slide cover 57 is at the second position, the distance measuring light projecting section 52 and the photographing lens 53 are covered. , The viewfinder window 54, the distance measuring light receiving section 55, and the strobe irradiation window 56 are all exposed.

On the slide cover 57, a release button 59 disposed at a position where it is easy to press with the index finger while holding the grip portion 58, and the camera body 51 are relatively positioned at the first position or at the first position. A slide instruction button 60 for outputting an instruction signal for moving to the second position is provided.

Next, a structure for operating the slide cover 57 in conjunction with the movement of the photographing lens 53 will be described with reference to FIG. FIG. 8 shows a state where the photographing lens 53 is at a position where photographing is possible and the slide cover 57 is at a closed position.

As shown in FIG. 8, the camera body 51 includes:
A motor 61 is provided, and an output shaft 62 for transmitting a driving force is connected to the motor 61. Output shaft 62
The pinion gear 63 is fixed to the tip of the. This pinion gear 63 is a first two-stage gear 64 which is a reduction gear.
The small gear 64b of the two-stage gear 64 is meshed with the large gear 64a of the second gear 65.
a.

On the central axis of the first two-stage gear 64,
A rotating shaft 66 that rotates together with the two-stage gear 64 is provided so as to extend therefrom.
A slit disk 67 is fixedly shared with the central axis of the step gear 64. At the outer diameter of the slit disk 67, a photo-interrupter 68 having a “U” shape for detecting the rotation amount of the slit disk 67 is disposed so as to cover the slit. The photo interrupter 68 detects the position of the photographing lens 53.

The small gear 65 of the second two-stage gear 65
b is meshed with the first transmission gear 69, and a lead screw 71 for transmitting a driving force to the lens barrel 70 is provided on the central axis of the first transmission gear 69 so as to extend therefrom. ing. The lens barrel 70 has a projection 70a at a part of its outer diameter. The lead screw 71 is a female thread provided on the projection 70a so as to suspend the lens barrel 70. Is engaged.

Adjacent to the transmission gear 69, a large gear 72
and a planetary gear 72 comprising a small gear 72b. The large gear 72a meshes with the sun gear 73, and the small gear 72b is provided on one surface side (back side of the paper) of the large gear 72a and the sun gear 73 in conjunction with the extension of the lens barrel 70. A carrier 74 having a switching lever 74a for controlling the connection between the carrier 74 and the first transmission gear 69 is provided.

A switching pin 74b is provided at the tip of the switching lever 74a.
Moves on the inclined surface 75a of the switching projection 75 provided on the lens barrel 70, whereby the planetary gear 72
Is moved to a position where the small gear 72b is connected to the first transmission gear 69 and a position where the connection is released.

Also, the lens barrel and the switching lever-7
A return spring 76 for urging the switching lever 74a clockwise with respect to the lens barrel is provided between the return lever 4a and the switching lever 74a.

The sun gear 73 includes a second transmission gear 77
, And the second transmission gear 77 is engaged with the third transmission gear 78. Then, the third transmission gear 78
Are engaged with the first slip gear 79.

On the other hand, a rack gear 80 is provided on the inner surface of the slide cover 57, and this rack gear 80 meshes with a second slip gear 81. The first slip gear 79 is provided with a key groove (not shown), and a key shaft 82 is fitted into the key groove. It is rotatably inserted into a hole provided in the second slip gear 81. The driving force from the motor 61 is transmitted to the rack gear 80 by the frictional force between the first slip gear 79 and the second slip gear 81.

The camera body 51 includes a slide cover 57.
Stoppers 83a and 83b for defining the movement position of the camera body 51 and the slide cover 5 are provided.
After the movement position of the rack gear 7 is determined, the first slip gear 79 and the second slip gear 81 idle so that the driving force is not transmitted to the rack gear 80, and the transmission of the driving force is released. It has become.

The control of the motor 61 in this embodiment is performed in substantially the same manner as in the first embodiment, but as described above, in the third embodiment, the camera body 51 and the Since the stoppers 83a and 83b for defining the moving position of the slide cover 57 and the first slip gear 79 and the second slip gear 81 for transmitting the driving force by the frictional force are provided, the relative positions shown in FIG. Detection circuit 21
Is not necessary. Therefore, the motor 61 is controlled by a configuration excluding the relative position detection circuit 21.

Next, the operation of the third embodiment will be described below. The operation of setting the camera in the non-photographing state in FIG. 7A to the photographable state in FIG. 7B will be described. As shown in FIG. 1 of the first embodiment, the grip portion 58 of the slide cover 57 is held with one hand. (The holding state diagram is omitted.) When the slide instruction button 60 is pressed in the holding state, the camera body 5 is pressed.
7 slides with respect to the slide cover 57, and FIG.
Move to the position where each part required for imaging shown in (b) can be exposed. When this movement is completed, the camera body 51
Is turned on, and shooting is possible. At this time, the lens barrel is driven earlier than the slide cover 57 and is extended in the optical axis direction. However, the lens barrel is synchronized with the movement of the slide cover 57 and is controlled so as not to contact the slide cover 57. ing. The stop position of the lens barrel is controlled by the output from the photo-interrupter 68 so as to be the photographing preparation position.

Here, the relative movement between the camera body 51 and the slide cover 57 is controlled by the control circuit 17 (see FIG. 4 illustrating the first embodiment).
The control circuit 17 drives the motor drive circuit 20 based on a slide instruction signal when the slide instruction button 60 is pressed, and controls the motor 61 based on a signal from the motor drive circuit 20. It is driven to rotate counterclockwise.

The driving force of the motor 61 is transmitted to the pinion gear 63 via the output shaft 62, and the first two-stage gear 64
The first transmission gear 69 is transmitted via the second two-stage gear 65 so as to rotate clockwise. The driving force transmitted to the first transmission gear 69 rotates the lead screw 71 fixed to the first transmission gear 69 in the clockwise direction to move the lens barrel 70 to a photographable position and to rotate the planetary gear. 7
2, transmitted to the first slip gear 79 via the sun gear 73, the second transmission gear 77, and the third transmission gear 78.

The driving force transmitted to the first slip gear 79 is transmitted to the second slip gear 81 connected to the first slip gear 79 by frictional force, and the slide cover having the rack gear 80 is provided. 57 to stopper 84
Move in the direction of a.

Since the first slip gear 79 and the second slip gear 81 are frictionally connected, even after the slide cover 57 comes into contact with the stopper 84a, the first slip gear 79 does not The driving force of the motor 61 is transmitted.

On the other hand, when the lead screw 71 fixed to the first transmission gear 69 is rotated clockwise, the lens barrel 70 is extended to the photographable position. After a while after the slide cover 57 contacts the stopper 84a,
When the lens barrel 70 is extended by a predetermined distance, the switching pin 74b is moved by the slope 75a on the switching projection 75 provided on the lens barrel 70. As a result, the switching lever 74a is pushed up counterclockwise against the return spring 76, and the meshing state between the planetary gear 72 and the first transmission gear 69 is released.

Thereafter, the control circuit 17 calculates the position of the lens barrel 70 based on a signal transmitted from the photo interrupter 68 for detecting the number of rotations of the slit disk 67. Circuit 17
By driving the motor drive circuit 20, the motor 61 is stopped.

Next, the operation of shifting from the photographable state to the non-photographable state will be described. When the slide instruction button 60 is pressed again, the control circuit 17 drives the motor drive circuit 20 based on the slide instruction signal, and
The motor 61 is driven to rotate clockwise based on a signal from the motor drive circuit 20. Accordingly, each gear is driven and the lead screw 7 fixed to the first transmission gear 69 is formed.
1 is rotated counterclockwise to drive the lens barrel 70 to the retracted position. After the lens barrel 70 is retracted by a predetermined distance, a switching projection 7 provided on the lens barrel 70 is provided.
The switching pin 7 is formed by the inclined surface 75a on the
4b is moved, and the switching lever 74a rotates. The rotation of the switching lever 74a causes the planetary gear 72 and the first
Is in mesh with the transmission gear 69.

The planetary gear 72 and the first transmission gear 6
9 are engaged with each other and the retracting operation is completed, the driving force of the first transmission gear 69 is changed to the sun gear 73 and the second transmission gear 7.
7, transmitted to the second slip gear 81 via the third transmission gear 78 and the first slip gear 79. Then, the slide cover 57 is relatively moved to a position in a non-photographing state with respect to the camera body 51.

Since the first slip gear 79 and the second slip gear 81 are frictionally connected, even after the slide cover 57 comes into contact with the stopper 84b, the first slip gear 79 does not The driving force of the motor 61 is transmitted. As a result, it is possible to absorb the meshing time difference due to the switching of the planetary gear.

The stopping of the motor 61 is performed based on the signal of the photo interrupter 68 for detecting the rotation speed of the slit disk 67 in the same manner as in the operation of shifting from the non-shooting state to the shooting state.

In the third embodiment, the relative position detecting means 2
1 is basically not necessary, but the relative position detecting means 21
Is used to detect that the slide cover 57 is not completely open or closed with respect to the camera body 51. When the slide cover 57 is not completely open or closed, Alternatively, the closing operation may be retried.

The slide cover is provided with a notch 57 for exposing the strobe 56 at the time of photographing.
The size of the slide cover is large enough to be gripped by one hand, and the camera body is provided with all members necessary for photographing from the beginning, so that the slide cover moves only during photographing. You may do it.

As described above, according to the camera with the slide cover of the third embodiment, the slide command button 60 and the release button 59 are provided on the slide cover, so that not only the operation is simple but also the slide command. The slide cover 57 can be opened and closed simply by operating the button 6. Further, even in a camera in which the camera itself is miniaturized by using a small film cartridge, a grip portion 58 for holding the camera is secured, and the slide cover 5 is held with one hand holding the camera.
7 can be easily opened and closed. Furthermore, the slide cover
Since 57 and the retracting operation can be controlled by one motor, the number of parts can be reduced, assemblability can be improved, and the opening and closing movement of the slide cover and the retracting operation are linked. Shooting can be performed simultaneously with opening the slide cover.

In the first to third embodiments, when the slide instruction button is operated while the slide cover is held, the camera body relatively moves. However, the camera body is held. The slide instruction button may be operably arranged in this state, and the slide cover may be moved with respect to the camera body.

Hereinafter, other inventions related to the present invention will be additionally described. Supplementary note 1 A protective cover that can be located at one of a first position located at the time of non-photographing and a second position located at the time of photographing.
A cover moving signal generating means for generating an instruction signal for positioning the protection cover at the first or second position with respect to the camera body; and driving the protection cover or the camera body. Driving means, and control means for operating the driving means based on the instruction signal generating means,
The drive unit is provided with a first gear unit provided on the camera body, and is provided on the slide cover and meshes with the first gear unit. 2. A camera with a slide cover according to claim 1, further comprising a second gear means, and a motor provided on the camera body or the slide cover. 2. A camera with a slide cover according to claim 1, further comprising a moving amount detecting means for detecting a relative moving amount of the main body, wherein said control means controls said driving means based on said moving amount detecting means. Appendix 4
A protective cover which can be positioned at one of the position of the camera and the second position which is located at the time of photographing;
Moving means for relatively moving the lens barrel to the first or second position, a lens barrel movable to a photographable position and a retracted position, a driving means for driving the lens barrel, and the lens barrel The driving force for connecting the moving means and the driving means in conjunction with the movement of the moving means to the retracted position, and releasing the connection between the moving means and the driving means in conjunction with the movement from the retracted position to the photographing position. Switching means, movement signal generating means for generating an instruction signal for relatively moving the protection cover with respect to the camera body, and position detection means for detecting the position of the protection cover with respect to the camera body. And a control means for controlling the driving means based on the outputs of the movement signal generating means and the position detecting means.

[0069]

As described above, according to the present invention,
Move the slide cover with one hand holding the camera body.
Instruction signal generating means for generating an instruction signal for operating
The slide cover can be easily opened and closed because it can be operated .
Also, since the grip portion can be reliably secured, the slide instruction button or the release button can be operated while the grip portion is held. In addition, opening and closing the slide cover
Movement and collapsing movement are linked, so the slide cover
You can shoot at the same time.

[Brief description of the drawings]

FIG. 1 is a perspective view of a camera with a slide cover showing a first embodiment of the present invention.

FIGS. 2A and 2B are front views of a camera with a slide cover showing the first embodiment of the present invention, wherein FIG.
(b) is a diagram showing a state in which shooting is possible.

FIG. 3 is a perspective view showing the internal configuration of a camera with a slide cover showing the first embodiment of the present invention.

FIG. 4 is a block diagram showing a control system according to the first to third embodiments of the present invention.

FIG. 5 is a front view of a camera with a slide cover according to a second embodiment of the present invention, wherein FIG.
(b) is a diagram showing a state in which shooting is possible.

FIG. 6 is a perspective view of a camera with a slide cover showing a second embodiment of the present invention.

FIGS. 7A and 7B are front views of a camera with a slide cover according to a third embodiment of the present invention, wherein FIG.
(b) is a diagram showing a state in which shooting is possible.

FIG. 8 is a perspective view showing the internal configuration of a camera with a slide cover according to a third embodiment of the present invention.

[Explanation of symbols]

 1, 31, 51 Camera main body 17 Control circuit 6, 37, 57 Slide cover 20 Motor drive circuit 9, 40, 60 Slide instruction button 11, 42, 61 Motor 21 Relative position detection circuit

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. ⁷ , DB name) G03B 11/04 G03B 17/04 G03B 17/56

Claims (5)

(57) [Claims] A slide cover which is movable relative to a camera body between a first position which is located at the time of non-photographing and a second position which is located at the time of photographing; Is placed so that it can be operated with one hand
There are, in the first or second position, the slide cover -
An instruction signal generation means for generating an instruction signal for moving, the the first or second position, the slide cover - and driving means for driving at least one of the above camera body, the instruction signal generating means And a control means for controlling the driving means based on the output of the camera. 2. A slide cover having a grip portion for holding a camera, and a first cover positioned at the time of non-photographing with respect to the slide cover.
And a camera body that moves to a second position that is located at the time of shooting, and an instruction signal that is provided on the slide cover and that causes the camera body to be positioned at the first or second position. Main body slide switch means, drive means for moving the camera body to the first or second position with respect to the slide cover, and control means for controlling the drive means based on the instruction signal. A camera with a slide cover, comprising: 3. The apparatus according to claim 1, further comprising a moving amount detecting means for detecting a moving amount of the camera body with respect to the slide cover, wherein the control means controls the driving means based on the moving amount detecting means. 3. The camera with a slide cover according to claim 2. 4. A first position which is located at the time of non-photographing and a position at the time of photographing.
Slide cover that can be positioned at one of the second position
-And operably arranged with one hand holding the camera body
There are, for the above camera body, the first or second position
An instruction signal for positioning the slide cover on the
Instruction signal generating means for generating, driving means for driving the slide cover, and relative movement between the slide cover and the camera body
When there is an output from the moving amount detecting means for detecting the amount and the instruction signal generating means,
Based on the relative movement detected by the movement detector.
With turtles - slide cover which is characterized by comprising a control means for controlling said drive means have
La. 5. A camera according to claim 1, wherein said first position is located at the time of non-photographing and said first position is at the time of photographing
Slide cover that can be positioned at one of the second position
And the first or second slide cover with respect to the camera body.
Moving means for relatively moving to the position of the lens, and a lens mirror movable to a photographing position and a retracted position where photographing is possible.
A tube, a driving unit for driving the lens barrel , or connecting the moving unit and the driving unit, or
Switching to release the connection between the moving means and the driving means
The slide cover is moved relatively to the means and the camera body.
Moving signal generating means for generating an instruction signal for moving
When, to detect the position of the lens barrel with respect to the camera body
Based on the output of the movement signal generating means and the position detecting means.
And control means for controlling the driving means , wherein the switching means sets the lens barrel to a predetermined position from the retracted position.
When moving out to the position of
Moving means connected to the slide cover and the lens mirror
The driving force is transmitted to the tube and the lens barrel is moved to the predetermined position.
When the slide cover is extended to the position
Cancel the transmission of force to reach the position where the lens barrel can shoot
Slide cover characterized by being driven
With camera.