JP2995734B2 - Film cartridge and camera using the same - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a film cartridge in which a winding axis of a film cartridge is set at a predetermined phase position when the film is not used, and a camera using the film cartridge.

2. Description of the Related Art In a conventional 135-type film cartridge shown in FIGS. 20 and 21, the rotational phase position of a film winding shaft in a state where a film 8 is not used varies, and the cartridge 2 is attached to the cartridge of the camera body 1. In many cases, when the cartridge 2 is stored in the storage room 10, the winding shaft of the patrone 2 is connected to the camera body 1.
Does not immediately engage with the rewinding fork to be engaged with the winding shaft, and when the rewinding fork is rotated after loading the patrone, the rewinding fork and the winding shaft are engaged for the first time, and the rewinding is performed. The drive of the fork was transmitted to the winding shaft to perform the rewinding operation.

SUMMARY OF THE INVENTION Accordingly, in the above-described structure, it may take time to load a film cartridge due to a difference between the rotational phase position of the take-up shaft of the patrone and the rotational phase position of the rewind fork of the camera body. When the return fork rotates, there is a problem that the engagement is incomplete and a malfunction or failure occurs.

SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to solve the above-mentioned problems, and to provide a film cartridge capable of performing a loading operation quickly and effectively preventing malfunction and failure, and a camera using the same. Is to do.

Means for Solving the Problems In order to achieve the above object, the present invention is configured as follows.

That is, the camera of the present invention is a film cartridge including a rotating member that drives a film housed in a case, and an engaging portion of the rotating member is exposed from an opening provided on an end surface of the case, wherein the film is A camera that uses the film cartridge in which the rotating member is set to a first predetermined phase position when not in use; a cartridge storage chamber that stores the film cartridge; A drive member that engages with the engagement portion of the rotating member of the film cartridge stored in the cartridge storage chamber when the film is set at the predetermined phase position; After rewinding to the first
And control means for controlling the rotation of the driving member so as to set the rotating member at a second predetermined phase position different from the predetermined phase position.

Further, the camera of the present invention is a film cartridge including a rotating member for driving a film housed inside the case, and an engaging portion of the rotating member is exposed from an opening provided on an end surface of the case, wherein the film is When the film is not in the unused state, the rotating member is set to the first predetermined phase position.
A camera using a film cartridge set at a second predetermined phase position different from the predetermined phase position of: a cartridge storage chamber that stores the film cartridge; and the engagement portion of the rotating member of the film cartridge. When the rotating member is at the first predetermined phase position, the loading of the cartridge is not restricted, and the rotating member is at the second predetermined phase position. And a loading regulating member for regulating the loading of the cartridge.

Further, the film cartridge of the present invention has a case having an entrance and exit of a film to be housed therein and having an opening at an end face, and a state in which an engaging portion for engaging a driving member outside the case is exposed from the opening. The film is rotatably supported in the case and drives the film housed in the case.
After the film sent from the film cartridge is rewound into the cartridge, the rotation is set to a second predetermined phase position different from the first predetermined phase position. When the film cartridge is loaded into a cartridge storage chamber provided with the external driving member, the film cartridge is provided in the cartridge storage chamber when the rotating member is at the first predetermined phase position. When the rotation member is at the second predetermined phase position without being restricted by the driving member, the cartridge is restricted from being loaded by the driving member. It is characterized in that the member has.

According to the configuration of the camera of the present invention, after the film sent out from the film cartridge is rewound into the cartridge by the control means, the first phase position different from the first predetermined phase position is determined. The rotation of the driving member is controlled such that the rotation member is set at the second predetermined phase position.

According to another configuration of the camera of the present invention, the loading regulating member is provided in the cartridge storage chamber so as to be able to abut on the engaging portion of the rotating member of the film cartridge. When the rotating member is at the second predetermined phase position, the loading of the cartridge is restricted while the loading of the cartridge is not regulated at the first predetermined phase position.

In the configuration of the cartridge of the present invention, the rotating member is set to the first predetermined phase position when the film is not in use, and the film sent from the film cartridge is wound in the cartridge. After returning, the second predetermined phase position different from the first predetermined phase position is set.

According to the configuration of the camera of the present invention, when the rotation member is set at the first predetermined phase position, the engagement of the rotation member of the film cartridge stored in the cartridge storage chamber is performed. When the film cartridge in which the film is not used is loaded into the storage chamber by the engagement between the portion and the driving member, the phase of the rotating member matches the phase of the driving member outside the case, that is, When the rotating member is set at the first predetermined phase position, the engaging portion of the rotating member of the film cartridge accommodated in the cartridge accommodating chamber and the driving member are more smoothly engaged. be able to. Therefore, the loading operation of the film cartridge can be performed quickly, and malfunctions and failures can be effectively prevented. Further, after the film sent out from the film cartridge is rewound into the cartridge, the driving member is set so that the rotating member is set at a second predetermined phase position different from the first predetermined phase position. Since the rotation is controlled by the control means, when the film cartridge which has been photographed is to be reloaded into the camera, the rotation member and the driving member are out of phase, so that smooth loading cannot be performed. As a result, the user can know that the film that has already been shot is going to be reused by mistake.

According to another configuration of the camera of the present invention, the loading regulating member is provided in the cartridge storage chamber so as to be able to abut on the engaging portion of the rotating member of the film cartridge. Since the loading of the cartridge is not restricted at the first predetermined phase position, the loading operation of the film cartridge can be performed quickly, and malfunctions and failures can be effectively prevented. On the other hand, when the rotating member is at the second predetermined phase position, the loading of the cartridge is restricted. Therefore, when the film cartridge which has been photographed is to be loaded again into the camera, the phase of the rotating member and the driving member are shifted. So it cannot be loaded smoothly. As a result, the user can know that the film that has already been shot is going to be reused by mistake.

In the configuration of the cartridge of the present invention, the rotating member is set at the first predetermined phase position when the film is not in use and does not restrict the loading of the cartridge. Can be engaged. Therefore, the loading operation of the film cartridge can be performed quickly, and malfunctions and failures can be effectively prevented. On the other hand, after the film sent from the film cartridge is rewound into the cartridge, the film is set at a second predetermined phase position different from the first predetermined phase position to regulate the loading of the cartridge. If the user attempts to load a film cartridge that has been photographed again into the camera, smooth loading cannot be performed because the phases of the rotating member and the driving member are shifted. As a result, the user can know that the film that has already been shot is going to be reused by mistake.

Embodiment Hereinafter, an embodiment according to the present invention will be described in detail with reference to FIGS.

The film cartridge 39 according to the present embodiment includes first and second
As shown in the drawing, a film take-up shaft 22 around which an unused film 26 is wound, a sprocket 23 as a film delivery member which rotates by engaging with a perforation 26a of the film 26, and a film entrance / exit. And a case 21 for storing the film 26 in a light-shielded state while accommodating the film take-up shaft 22 and the sprocket 23 close to each other.

The film 26 in the film cartridge 39 is the third
As shown in the drawing, a perforation 26a that engages with the engaging claw of the sprocket 23 is formed only along one side in the width direction of the film 26, that is, along the upper edge. Also,
At the leading end portion 26c of the film 26, the lower end side of the film 26 in FIG.
When the leading end of the film 26 is sent out from the film entrance 25 of the case 21 of the film cartridge 39, the upper edge of the film 26, that is, the side where the perforations 26a are formed reaches the spool chamber 37 earlier than the lower edge. Thus, the inclined edge 26b inclined with respect to the width direction of the film 26 is formed.

According to the above configuration, the front end portion 26c of the film 26 is connected to the film entrance of the case 21 of the film cartridge 39.
When fed from 25, the leading end 26c of the film 26
The leading edge 26c of the film 26 does not catch on the end of the exposure opening in which the inclined edge 26b is perpendicular to the film transport direction, and the upper edge side of the film 26, that is, the side where the perforations 26a are formed is earlier than the lower edge side. The film 26 is smoothly transferred to the film chamber side by reaching 37.

A light shielding member 27 that has flexibility and shields the film entrance 25 is provided in a portion along the film entrance 26 inside the case 21. When the film 26 is sent out of the case 21 by the sprocket 23, the light shielding member 27 is pushed and bent to the outside of the film entrance 25 by the front end portion 26c of the film 26. In the unused state of the film 26, the perforations 26a of the leading end portion 26c of the film 26 are engaged with the engaging claws of the sprocket 23, but the leading end portion 26c of the film 26 goes outside through the film entrance 25. Not.

On the other hand, two large and small openings 21a and 21b are formed in the upper end surface of the case 21 in FIG.
The first engaging portion 22a at the upper end of the film winding shaft 22 is exposed to the larger opening 21a, and the second engaging portion 23a at the upper end of the sprocket 23 is exposed to the smaller opening 21b. .
The first engaging portion 22a can be engaged with a film winding drive member (not shown) of the camera body 31, and the second engaging portion 23a
Is a film sending drive member (not shown) of the camera body 31
Can be engaged. Further, on the side surface of the case 21, film data 21d indicating the number of photographable frames of the film 26 stored in the case 21, the film sensitivity, and the like are recorded. It should be noted that, after being read by the camera, the number of photographable frames is recorded as a total number of perforations 26a formed on the upper edge of the film 26, for example, in a microcomputer in the camera body.

FIG. 3 shows a camera in which the film cartridge 39 can be used. FIG. 3 is a conceptual diagram of the camera in a state where the film cartridge 39 is stored in the film cartridge storage chamber 40 and the leading end 26c of the film 26 is fed out of the film entrance 25. In the figure, 32 is an auto focus block,
33 is a finder block, 34 is a flash, 35 is a flash condenser, 36 is a battery, 37 is a film room,
41 is a spool and 38 is an aperture (exposure opening).

In this camera, if the film cartridge 39 is stored in the film cartridge storage chamber 40, the first engagement portion 22
a is connected to the film take-up driving member, and the second engaging portion 23a is connected to the film sending-out driving member, respectively, and the film is controlled by a microcomputer built in the camera body.
The sending operation and the winding operation of 26 are automatically performed.
That is, if the film cartridge 39 is housed in the camera body, the film feeding drive member is driven to rotate the sprocket 23, and the film cartridge 39 is automatically rotated.
A predetermined amount of the film 26 is transferred to the film chamber side from 39, and the leading end 26c of the film 26 is engaged with the sprocket 41 in the film chamber. Thereafter, the film 26 is sent out from the film cartridge 39 one frame at a time for each photographing operation, and the sprocket 41
Roll up. On the other hand, after the photographing is completed, the film 26 in the film chamber is automatically driven by the driving of the film winding drive member.
Is wound around the winding shaft 22 in the film cartridge 39.

FIGS. 4 and 5 show a camera that further embodies the camera of FIG. 3, and shows a cartridge storage chamber in the camera body 31.
The lid LD provided on the bottom surface of the camera body 31 of 40 is opened, and the film cartridge 39 according to this embodiment is attached to the camera body 31.
This shows a state in which the film cartridge is to be stored in the cartridge storage chamber 40 from the film cartridge entrance 43 illuminated on the bottom surface of the cartridge 31. FIG. 6 shows a state where the film cartridge 39 is stored. At the upper end of the cartridge storage chamber 40,
A first film winding drive member of the camera body 31
A fork 130 and a second fork 131 as a film delivery drive member of the camera body 31 project downward, respectively, and the first fork 130 is connected to the first engagement portion 22a of the film cartridge 39 and the second fork. The 131 is engaged with the second engaging portion 23a of the film cartridge 39, respectively. In addition, in FIGS. 4 and 6, L indicates a lens.

FIG. 7 (a) shows a winding drive unit and a delivery drive unit for driving the first fork 130 and the second fork 131, respectively. As shown in FIGS. 4 and 7 (a), the spool 41 is provided with motors 101 that operate during the film feeding operation, the winding operation, and the winding operation, respectively. The motor 101 rotates a gear 103 and a gear 107 fixed to the camera body 31 via a reduction gear 102.

The gear 103 is provided with a carrier plate 105 having one end pivotally supported by the central axis P ₃ rotatably planetary gears 104 to allow the fixed other end rotates the center axis P _1, the gear 103 and the planetary The gear 104 meshes with the gear 104. Above planetary gear 1
Reference numeral 04 is arranged near the gear 106 for rotating the spool 41. Accordingly, FIG. 7 about the above gear 103 is rotated in the counterclockwise direction in FIG. 7 (a), the carrier plate 105 and the planet gears 104 to the shaft P ₁ together (a)
By rotating counterclockwise, the planet gear 104 meshes with the gear 106. Conversely, when the gear 103 rotates clockwise in FIG. 7A, the carrier plate
105 and the planetary gears 104 are the planetary gear 104 rotates in FIG. 7 (a) Medium clockwise about the axis P ₁ is as away from the gear 106.

Further, the gear 107 is provided with a carrier plate 108 having one end pivotally supported by the central axis P ₄ rotatably planetary gears 109 on the other end is rotatably fixed to the central axis P _2, the gear 107
And the planetary gear 109 are engaged with each other. The planet gear 109 is a gear 110 for rotating the sprocket 23.
And a gear 111 for rotating the film winding shaft 22. Accordingly, when the gear 107 rotates counterclockwise in FIG. 7A, the carrier plate 108 is rotated.
And the seventh around the both the shaft P ₂ the planetary gears 109
(A) The planetary gear 109 rotates in the counterclockwise direction in FIG. Further rotation, to the contrary, when the gear 107 is rotated in the middle clockwise Figure 7 (a), Figure 7 the carrier plate 108 and the planetary gear 109 around the axis P ₂ (a) a medium clockwise Thus, the planet gear 109 meshes with the gear 111.

Further, a sprocket rotation amount detection circuit RD that generates a predetermined number of pulses in accordance with a predetermined rotation amount of the sprocket 23 is provided between the gear 110 and the sprocket 23.

The first fork 130 and the gear 111 are connected so as to rotate integrally. A coil spring 132 is contracted between the first fork 130 and the gear 111 so that the first fork 130 can retreat to the gear 111 side. Therefore, when the first fork 130 is positioned so as to engage with the first engagement portion 22a of the film cartridge 39 when the film cartridge 39 is stored in the cartridge storage chamber 40 of the camera main body 31, If the positions in the rotation direction do not match, the two do not engage, and the first fork 130 is retracted against the urging force of the coil spring 132. In this case, when the positions in the rotation direction match due to the relative rotation of the two, the coil spring
The first fork 130 is protruded by the urging force of 132, and both are engaged.

The second fork 131 and the gear 110 are connected so as to rotate integrally. The above second fork
A coil spring 133 is contracted between the gear 131 and the gear 110, so that the second fork 131 can retract to the gear 110 side. Therefore, when the film cartridge 39 is stored in the cartridge storage chamber 40, if the second fork 131 can be engaged with the second engagement portion 23a of the film cartridge 39, they are engaged. If the two forks 131 cannot be engaged unless their positions in the rotation direction match, the second fork 131 retracts against the urging force of the coil spring 133. After that, when the rotation direction positions match due to the relative rotation of both,
The second fork 131 projects by the urging force of the coil spring 133, and the two are engaged.

The enlarged view of the gears 111 and 110 is shown in FIG.
It is shown in FIG. Substrates PR1 and PR2 are provided so as to face the gears 111 and 110, respectively. On the substrates, common patterns PT1d and P
T2d is provided. Also, on the board PR1, a switch
Pattern PT1b constituting the S _3, the pattern PT1c constituting the switch S ₅ is formed on the substrate PR2 is patterned PT2b constituting the switch S ₄ is formed. These patterns PT1b, PT1c, PT2b is connected to the input terminal IP of each microcomputer COM _3, IP _5, IP _4.

On the other hand, each gear 111, 110 is provided with a switch contact piece 111t, 110t so as to face each of the above-mentioned patterns, and thereby the phase of the gear 111, 110, that is, the first and second forks 130, 1
31 phases are set to a specific phase. That is, the switch piece 111
t, the 110t comes to a specific position by sliding on the pattern, the switch S ₃ by the contact piece 111t connects the pattern PT1d and pattern PT1b or PT1c, contact piece 110t connects the pattern PT2d and PT2b operates is S ₄ or S _5, the input terminal of the microcomputer COM changes from high to low. At this time, the motor 101 is braked so as to stop the gears 111 and 110, and the phases of the gears 111 and 110 and the phases of the two forks 130 and 131 are set to specific positions. That is, thereby, the phase of the first fork 130 and the phase of the first engagement portion 22a of the winding shaft 22 are set to be engageable in advance, and the second
If the phase of the fork 131 and the phase of the second engaging portion 23a of the sprocket 23 are set to be engageable in advance, the film cartridge 39 can be easily loaded into the storage chamber 40. The adjustment of the phase of the gear 111 and the gear 110 is performed by the motor 101 via the gears 107 and 109.
Is performed alternatively when connected to

The operation of the camera using the film cartridge 39 according to this embodiment is controlled by a microcomputer COM as shown in FIG. The following circuits and devices are connected to the microcomputer COM. That is, a film data circuit F for reading the film data 21d recorded on the side surface of the film cartridge 39.
D, a sprocket rotation amount detection circuit for detecting the rotation amount of the sprocket 23 and outputting a signal corresponding to the rotation speed
RD, photometric circuit ML for measuring subject brightness, autofocus control circuit AF for measuring the distance to the subject and driving the lens L, display device DS for displaying various states of the camera, xenon tube and flash emission A flash device FC, an exposure control device EC for driving an aperture and a shutter during shooting, a motor control circuit MD for controlling a motor 101 in the spool 41, a power supply 36, and the film cartridge 39 in the cartridge storage chamber 40. A cartridge detection switch Sl that closes when stored, a lid detection switch Ss that closes when the lid LD of the cartridge storage chamber 40 is closed, a switch S ₁ that closes when the first-stage shutter release button is pressed in the first stage, and further switch S ₂ der closed by depression of the second stage is pushed from the first stage of the pressing state of the shutter release button You. Note that the above switch Ss
May be closed when the lid LD having the lock mechanism is locked.

Hereinafter, an initial setting operation, an initial winding operation, a photographing operation, a film winding operation, and a film winding operation of the camera controlled by the microcomputer COM will be described.

(Initial Setting Operation) When the film cartridge 39 is loaded into the cartridge storage chamber 40, the power supply 36 is turned on, and an initial setting operation as shown in FIG. 9 is performed. That is, when the power supply 36 is turned on, each input / output terminal and the storage circuit are set to an initial state in step S101, and then whether or not the switch Sl is turned on in step S102, that is, the film cartridge 39 It is determined whether or not it is loaded in the storage room 40, and the switch Sl
Is ON, the film cartridge 39 is loaded, and in step S103, the film data circuit FD
Then, the film sensitivity, the number of frames that can be photographed, and the like are read from the film data 21d of the film cartridge 39. Then, in step S110, interruption of other operations is permitted, and then, in step S111, the initialization operation ends. In step S111, a final frame flag described later is set to an initial state. In step S103, the sensitivity of the film and the number of frames that can be captured are read.
The number of photographable frames is stored in association with the number of perforations 26a,..., 26a formed on the film 26.

When the switch Sl is turned off in step S102, that is, when the film cartridge 39 is not loaded, the motor 10 is turned on in steps S104 and S105.
1 is rotated forward until the switch S ₃ is turned on, when the S ₃ is turned on to stop the motor 101 (step S106), and causes stop second fork 131 to the initial rotational position. Then, step S
At 107 and S108 to reversely rotate the motor 101 until the switch S ₄ is turned on, the S ₄ is turned on to stop the motor 101 in step 109, it stops the first fork 130 to the initial rotational position.
Then, in step S110, the interruption is permitted and stopped (step S111).

(Initial hoisting operation) When the film cartridge 39 is loaded into the cartridge accommodating chamber 40, the tenth following the initial setting operation,
An initial hoisting operation as shown in the figure is performed.

That is, when the film cartridge 39 is loaded into the cartridge storage chamber 40 and the lid LD of the cartridge storage chamber 40 is closed, the cartridge detection switch
Since both Sl and the lid detection switch Ss are closed,
As shown in FIG. 8, the OR circuit OR1 connected to the switches Sl and Ss outputs a low signal. Then, a high signal is output from the circuit OS connected to the OR circuit OR1 for a predetermined time. As a result, a low signal is input from the inverter INV connected to the circuit OS to the interrupt terminal INT1 of the microcomputer COM to interrupt the INT1. As shown in FIG. 10, in step S201, other operations are interrupted. Prohibited. Next, after starting the normal rotation of the motor 101 in step S202, a timer is set in step S203.

When the motor 101 in step S202 is rotated forward, the rotation is transmitted to the gear 103 through the decelerating gear 102, the gear 103 is rotated in the seventh counterclockwise in FIG about its axis P ₁ . As a result, the planet gear 104 of the gear 103 while rotating the seventh in the clockwise direction around its axis P _3, the carrier plate 105 is the center axis of the gear 103
P ₁ rotates in the seventh counterclockwise in FIG around the gear 1 in FIG. 7 the planetary gear 104 is disposed adjacent the upper
06 will be engaged. Accordingly, the gear 106 rotates counterclockwise in FIG. 7, and the rotation is transmitted to the spool 41, and the spool 41 rotates counterclockwise in FIG.

Similarly, the rotation of the motor 101 is controlled by the reduction gear 1.
02 is transmitted to the gear 107 via the shaft P ₂
7 rotates counterclockwise in FIG. As a result, the planet gear 109 of the gear 107 seventh about its axis P ₄
While rotating in the clockwise direction in the figure, the carrier plate 108 is rotated counterclockwise about the central axis P ₂ of the gear 107, FIG. 7 in the planetary gear 109 is disposed adjacent the upper It becomes engaged with the gear 110. Therefore, gear 1
7 rotates counterclockwise in FIG. 7, and the rotation is transmitted to the sprocket 23, and the sprocket 23 rotates counterclockwise in FIG. Then, since the perforations 26a at the tips of the unused film 26 in the film cartridge 39 are engaged with the engagement claws of the sprocket 23, as shown in FIG. From the film entrance 25 of the case 21. Thereafter, when the leading end of the film 26 is fed along a film rail or the like appropriately formed in the camera body 31 and reaches the film chamber 37, the perforation 26a at the leading end of the film 26 is rotated. 3 engages with an engaging claw (not shown) formed on the peripheral surface of the upper end of the spool 41 in FIG. 3. As a result, the leading end of the film 26 is wound around the spool 41. If necessary,
A mechanism for pressing the leading end of the film 26 against the spool may be provided in the film chamber 37.

On the other hand, when the sprocket 23 starts to rotate by the rotation of the motor 101, the sprocket rotation amount detection circuit RD outputs a number of pulse signals corresponding to the rotation amount of the sprocket 23 from the sprocket rotation amount detection circuit RD. The number of pulses is counted by COM.

Next, in step S205, it is determined whether the timer set in step S203 has expired, and if it is determined that the timer has not expired, step S208
In, it is determined whether or not the number of pulses counted in step S204 has reached a predetermined number A.

If it is determined in step S208 that the number of pulses has reached the predetermined number A,
If it is determined that the film cartridge 26 has been sent out of the entrance 25 of the case 21 by a predetermined amount within a predetermined time, the motor 101 is stopped in step S209, and then in step S210 the film cartridge 39 is inserted into the cartridge storage chamber. The above-mentioned display device DS indicates that the film 26 has been normally loaded into the film 40 and the film 26 has been normally wound and the initial winding operation has been performed.
To be displayed. Next, in step S211, the interruption of another operation is permitted, and in step S212, the initial hoisting operation ends.

If it is determined in step S208 that the number of pulses has not reached the predetermined number A, the process returns to step S204.

Further, when it is determined in step S205 that the timer has expired, that is, it is determined that some abnormality has occurred and the film 26 has not been fed out of the film entrance 25 of the case 21 by a predetermined amount within a predetermined time. If so, in step S206 the motor 10
1 is stopped, and then in step S207 the display device D
After displaying the abnormal state in S, the process proceeds to step S211.

(Shooting Operation / Film Winding Operation / Film Winding Operation) The shooting operation, the film winding operation, and the film winding operation are performed as shown in FIGS. 11A and 11B. By pressing the first step of the shutter release button, the switch
When S ₁ is closed, an interrupt signal to the interrupt terminal INT2 to Yo shown in FIG. 8 is input. Then, an interruption of INT2 is executed, and interruption of another operation is prohibited in step S301. Next, in step S302, the subject brightness is measured, and then, in step S303, the subject distance is measured. Next, in step S304, based on the measurement results in steps S302 and S303 and the film sensitivity obtained in the above-described initial setting operation, it is determined whether or not the flash 34 is to be fired, and an exposure control value is calculated. It is.

Then, the switch S ₂ it is determined whether or not closed in step S305, i.e., the shutter release button is judged whether or not pressed to the second stage, are pressed the shutter release button until the second stage If you are not to have been determined it is determined, whether it remains the switch S ₁ is closed in step S306, i.e., whether or not remains the shutter release button is depressed to the first stage.

If it is determined in step S306 that the shutter release button has been pressed down to the first step, the process returns to step S302. That is, in this case, it is determined that the camera is waiting in the shooting preparation state. Therefore, in steps S302 to S3 until it is determined in step S305 that the shutter release button has been pressed down to the second stage.
05 and S306 are repeated.

If it is determined in step S306 that the shutter release button has not been pressed to the first step, it is determined that the operation has been stopped, and in step S307, interruption of another operation is permitted. In S334, the photographing operation is stopped.

If it is determined in step S305 that the shutter release button has been pressed down to the second stage,
In S308, the lens L is driven to a position corresponding to the subject distance via the auto focus control circuit AF,
Next, in step S309, it is determined whether the driving of the lens L has been completed. If it is determined that the driving of the lens L has not been completed, the process waits until the driving of the lens L is completed.

If it is determined in step S309 that the driving of the lens L has been completed, in step S310, a shutter device (not shown) performs an exposure operation (photographing operation) via the exposure control device EC. Accordingly, the flash 34 is caused to emit light by the operation of the flash device FC. After the exposure operation, in step S311, the last frame flag is checked to determine whether or not the film 26 is the last frame.

If it is determined in step S311 that the frame is not the last frame of the film 26, the motor 101 starts normal rotation in step S330, and then a timer is set in step S331. When the motor 101 is rotated forward in step S330, the sprocket 23 and the spool 41 rotate counterclockwise in FIG. 7 as described above, so that the film 26 becomes the case 21 of the film cartridge 39. The film is sent out from the film entrance 25 and wound up by the spool 41. When the sprocket 23 starts to rotate, the sprocket rotation amount detection circuit RD outputs a number of pulses corresponding to the rotation amount of the sprocket 23, and the number of pulses is counted in step S332.

Next, in step S333, it is determined whether the timer set in step S331 has expired, and if it is determined that the timer has not expired, in step S336,
It is determined whether or not the number of pulses counted in step S332 reaches a predetermined number B corresponding to the amount of winding of one frame of the film 26.

In the above step S336, the pulse number, the predetermined number B,
If it is determined that the value has not been reached, the above step S3
Return to 32.

In step S336, the number of pulses is equal to the predetermined number B.
Is reached, that is, the film 26
Is determined to have been wound on the spool 41 by one frame, the motor 101 is stopped in step S337.

Next, in step S338, it is determined whether or not all the frames on the film 26 other than the already photographed frames have become one. That is, it is determined whether or not it is the last frame based on the total number of pulses from the time of loading the film. If it is determined that the frame is not the last frame, the winding of one frame of the film 26 is completed in step S340. And the number of frames to be photographed are displayed on the display device DS, and then step S341
In step S329, the film winding operation is terminated.

If it is determined in step S338 that the film 26 has become the last frame, the final frame flag is set in step S339 to indicate that the remaining frames are final frames, and then the step S340 is performed. Proceed to.

On the other hand, in the step S333, the step S331
If it is determined that the timer set in has expired, that is, if it is determined that some abnormality has occurred and the film 26 has not been wound up by one frame, the motor 101 is stopped in step S334, Next, after displaying a warning on the display device DS in step S335, the hoisting operation is terminated in step S329.

After the warning is displayed on the display device DS in step S335, a winding operation described later may be performed.

If it is determined in step S311 that the last frame flag indicates that the remaining frames are the last frames and it is determined that the shooting of the last frame of the film 26 has been completed, Steps to start operation
In S312, the reverse rotation of the motor 101 is started, and then in step S313, a timer is set. When the motor 101 in step S312 is reversed, the rotation is transmitted to the gear 103 through the decelerating gear 102, the gear 103 rotates in 7 in the clockwise direction around its axis P _1. As a result, the planetary gear 104 while rotating the seventh counterclockwise in FIG about its axis P _3, the carrier plate 105 rotates clockwise around the center axis P ₁ of the gear 103, the The planet gear 104 is separated from the gear 106. Similarly, rotation of the motor 101 is also transmitted to the gear 107 through the decelerating gear 102, the gear 107 rotates in 7 in the clockwise direction around its axis P _2. As a result, the planetary gear 109 while rotating the seventh counterclockwise in FIG about its axis P _4, the carrier plate 108 rotates clockwise around the center axis P ₂ of the gear 107, the The planetary gear 109 separates from the gear 110 and engages with the gear 111 which is disposed below and adjacent in FIG. Accordingly, the gear 111 rotates clockwise in FIG. 7, and the rotation is transmitted to the film winding shaft 22, and the film winding shaft 22 rotates clockwise in FIG. Then, the film 26 is wound around the film winding shaft 22. Further, since the engaging claw of the sprocket 23 is engaged with the perforation 26a of the film 26,
As the film 26 is wound on the film winding shaft 22, it rotates freely clockwise in FIG.
Then, the number of pulses corresponding to the amount of rotation of the sprocket 23 is output from the sprocket rotation amount detection circuit RD, and the number of pulses is counted in step S314.

Next, in step S315, it is determined whether the timer set in step S313 has expired, and if it is determined that the timer has not expired, step S316
Then, it is determined whether or not the number of pulses counted in step S314 has reached a predetermined number C corresponding to an amount of winding the film 26 around the spool 41 by forward rotation of the motor 101.

If it is determined in step S316 that the number of pulses has not reached the predetermined number C, the process returns to step S314.

In step S316, the number of pulses is equal to the predetermined number C.
, And it is determined that the number exceeds the predetermined number C, that is, the entire film 26 is rewound into the film cartridge 39, and the film 26 is
If it is determined to have been involved in the winding shaft 22 is disengaged from the 41, make sure that the switch S ₃ is turned on in step S317, the winding shaft 22 and the first fork 130 is the same as the initial state Step S3 when located at the predetermined rotation position
At 18, the motor 101 is stopped. If the switch S ₃ is not turned on, wait until the switch S ₃ is turned on. In step S316, after the pulse number reaches the predetermined number C, the motor 101 is further rotated in reverse for a predetermined time so that the pulse number becomes larger than the predetermined number. Film 26 and sprocket 23 above
Is reliably released from the engagement with the engagement claw, and the film 26 is wound on the film winding shaft 22 up to the leading end of the film 26.

When stopping the motor 101 in step S318, then in step S319 and S320, to reverse the motor 101 to S ₄ is turned on, the switch S ₄ is turned on to stop the reverse rotation of the motor 101 at step S321. That is, thereby, the sprocket 23 and the second fork 131 are positioned at the same predetermined rotational position as the initial state. Next step
After the completion of winding of the film 26 is displayed on the display device DS in S322, the film winding operation is ended in Step S329. At this time, the film
26 has returned to the initial position. In step S316, when the number of pulses slightly smaller than the number C of pulses corresponding to the wound film 26 (the number of pulses corresponding to the film winding amount of one rotation of the winding shaft 22) is counted, step S317 is performed. You may make it go to.

In step S315, step S313
If it is determined that the timer set in has expired, that is, if it is determined that the film 26 is not completely wound on the film winding shaft 22 even after a predetermined time has elapsed due to some abnormality, Are steps S317 to S321
The same steps S323 to S327 are performed. That is, wait until the switch S ₃ is turned on at step S323, the switch S ₃ is turned on, the winding shaft 22 and the first fork in step S324
When the motor 130 is located at the same predetermined rotational position as the initial state, the motor 101 is stopped. Then, the switch S ₄ reverses motor 101 to be turned on at step S325 and S326. When the switch S ₄ is turned on, step S327
When the sprocket 23 and the second fork 131 are located at the same predetermined rotational positions as in the initial state, the reverse rotation of the motor 101 is stopped. Next, after displaying a warning on the display device DS in step S328, the winding operation ends in step S329.

By the way, when the film cartridge 39 is removed from the film cartridge storage chamber 40, that is, when the switch Sl is turned off, or when the film cartridge 39 is not loaded (the switch Sl is off) and the cover LD
By the time it is opened (switch S ₂ is turned off), the interrupt INT3 as shown in FIG. 12 is executed. The operation steps S402 to S407 at this time are the same as the steps S104 to S109 in FIG. 9, and the first fork 130 and the second fork 1
31 is moved to the initial rotation position.

Next, a mechanism for holding the film 26 at a predetermined position with respect to the film cartridge 39 in the camera will be described.

13 and 14 are a plan view and a cross-sectional side view showing a locking mechanism (locking mechanism) of the sprocket inside the film cartridge 39, respectively. The sprocket 23 is rotatably held in the film cartridge 39, and its sprocket teeth 23b engage with the perforations 26a of the film 26. The second engagement portion 23a at the upper end of the sprocket 23
Engages with the second fork 131 of the camera body 31 when the film cartridge 39 is loaded into the film cartridge storage chamber 40 of the camera body 31. The sprocket 23 has a notch 23c in a flange fixed to an intermediate portion of the shaft, and is engaged with the projection 29b of the lock member 29. The lock member 29 has a small-diameter push portion as an unlocking engagement portion at the upper end thereof.
29a is fitted in the small hole 21c of the case 21 of the film cartridge 39 so as to be movable in the axial direction and is exposed outside the case 21, and a guide cylinder 21h is formed on the inner surface side of the case 21 in which the small hole 21c is formed. Thus, the axial movement of the base end of the pressing portion 29a of the lock member 29 is guided. A spring 30 is stretched between the lower end of the lock member and the case 21, and in FIG. 14, the lock member 29 is constantly urged upward by the spring 30,
The base end of the pressing portion 29a of the lock member 29 contacts the upper inner wall of the case 21 of the film cartridge 39. This spring 30
When the lock member 29 is in contact with the inner wall of the case,
Even if you try to rotate the sprocket 23, the locking member 29
Locks the sprocket 23, the lock mechanism works, and the sprocket 23 does not rotate. This locking mechanism
The purpose is to prevent the user from inadvertently rotating the sprocket 23 so that the leading end of the film 26 in the film cartridge 39 goes out of the film cartridge 39 or conversely gets caught in the film cartridge 39.

Next, the operation will be described. The user, as shown in FIG.
The film cartridge 39 is loaded into the film cartridge storage chamber 40 of the camera body 31. At this time, the release pin 150 provided as an unlocking member provided in the film cartridge storage chamber 40 enters the small hole 21c of the case 21 of the film cartridge 39, and comes into contact with the pressing portion 29a of the lock member 29.
When further loaded, the pressing portion 29a of the lock member 29 is
In the figure, the notch 23c of the sprocket 23 and the projection 29b of the lock member 29 are disengaged by being pushed downward, and the sprocket 2
3 is in a rotatable state. At this time, the sprocket 23 and the second fork 131 are engaged, but when the lock is completely released, the second fork 131 and the sprocket 2
As described above, the release pin 1
50 and the pressing portion 29a of the lock member 29 are arranged on the camera body 31. Then, the unlocked sprocket 23 is rotated by the rotation of the second fork 131, and the film 26 is fed.

When the sprocket 23 is locked by the lock member 29, the second fork 131 on the camera body side is used.
The phase of the second engaging portion 23a of the sprocket 23 that engages with the gear is always set to a predetermined phase. If the second fork 131 on the camera body side is also set to the phase that matches the phase of the engagement portion 23a, the second fork 131 and the engagement portion 23a can smoothly move when the film cartridge 39 is loaded into the camera body 31. The rotation amount of the gear 110 that engages and rotates the sprocket 23 can correspond to the film delivery amount on a one-to-one basis. When the film is rewound, if the motor 101 is stopped when the film is rewound by the same amount as the fed amount, the phase of the second fork 131 can be kept in the same state as before the feeding.

Further, the present invention is not limited to the above mechanism, and a mechanism as shown in FIG. 15 can be employed. That is, in the embodiment according to FIG. 15, the lock of the sprocket 23 can be released from either the upper or lower side of the cartridge 39.
This is to increase the degree of freedom in camera design.

The lock member 29-1 has a projection 29b for stopping the rotation of the sprocket 23-1, as described above, and small holes 21c and 21c of the case 21 of the cartridge 39 are provided above and below it.
e and guide portions 21f, 21g around the hole. The push portions 29a, 29a are fitted movably in the axial direction, respectively.
Is pushed by the release pin 150 of the camera.
Then, the two springs 30-1 and 30-2 are stretched between the inner wall of the case 21 and the locking portion 29c of the lock member 29-1, and the lock member 29-1 is pushed from either the upper or lower side. However, the sprocket 23 can be unlocked, and the two springs 30-1, 30
-2 restores the original state. In this embodiment, the sprocket 23-1 is connected to the second engagement portion.
23a, 23a at two locations above and below,
Exposed from 1b, 21d. This also increases the degree of freedom in camera design.

Also in this case, the phase of the second engagement portions 23a, 23a is set to a predetermined phase. The winding shaft 22 may be locked in the same manner as the sprocket 23-1, and the winding shaft 22 may be locked.
By setting the phase of the first engaging portion 22a of the 22 to a predetermined position and matching the phase with the first fork 130 on the camera body side, the film cartridge 39 can be further easily inserted.

Further, another mechanism different from the above may be employed.
That is, the film feeding mechanism of the film cartridge provided with the mechanism for feeding the film is locked when the cartridge is in a single state, and is released when housed in the camera body.
Since the delivery lock is released when the cartridge 39 is loaded into the camera body 31 with the LD removed, if the lid LD is opened and the film cartridge 39 is left in the loaded state, , Light enters the film cartridge 39 from near the lock release mechanism,
Further, the film 26 may come off from the sprocket 23 inside the cartridge due to the winding elasticity of the film 26 or the like. Thus, in the following modified example, a method of releasing the delivery lock of the film 26 more safely by another configuration is presented. The above-mentioned problems and their solutions should be considered not only when the cartridge 39 is loaded into the camera body 31 but also when the photographed cartridge 39 is removed from the camera body 31.

FIG. 16 shows the first modified example, in which a cartridge 39 is housed, and as a lock releasing member for releasing the delivery lock mechanism inside the cartridge on the inner surface of a lid LD for sealing the cartridge storage chamber 40 in a light-tight manner. A release pin 50 is provided.
The release pin 50 is configured to engage with and press the push portion 29a of the lock member 29 of the cartridge 39 by closing the lid LD to release the delivery lock.

In the case of this modified example, as compared with the release method presented in the above embodiment, the delivery lock mechanism is not released only by storing the cartridge 39 in the cartridge storage chamber 40 of the camera body 31, and is released just before the lid LD is completely closed. Therefore, the chance of occurrence of the problem can be reduced. In the first modification, the first and second forks 130 and 131 for engaging with the cartridge 39 and driving the film are both provided on the upper wall side of the cartridge storage chamber 40 of the camera body 31, and the release pin 50 is connected to the first and second forks. Since the second forks 130 and 131 are provided on the lid LD facing the second fork 130, the inconvenience of the cartridge 39 being lifted by the reaction force of the spring 30 of the lock member 29 when the cartridge 39 is loaded into the camera body 31 can be prevented.

FIG. 17 shows a second modification, in which a swing arm 52 swingably supported by a shaft 53 is provided in an upper wall of a film cartridge storage chamber 40 in the camera body 31,
One end of the swing arm 52 has a release pin 52a as an unlocking member that can protrude into the storage chamber 40 at the lower end face, and the other end of the swing arm 52 is provided in the side wall of the storage chamber 40 along the vertical direction of FIG. A push rod 51 is provided so as to be movable. The lower end of the push rod 51 can contact one end of the lid LD. Therefore, when the lid LD is closed, the push rod is
51 is moved in the axial direction, and the swing arm 52 is
The release pin 52a is swung around 53 to project into the storage chamber 40, and the release pin 52a presses the pressing portion 29a of the lock member 29 of the cartridge 39 to release the delivery lock mechanism in the cartridge 39. Make up.

In this case, not only the effect of the first modification but also the lid LD
In addition, since pins and the like are unnecessary, there is also an effect that it does not hinder the attachment and detachment of the cartridge 39.

FIG. 18 shows a third modification, in which a camera body 31 is provided.
One end is inside the upper wall of the film cartridge storage chamber 40 inside.
With an arm 58 supported swingably at 57,
A release pin 58a is formed on the lower end surface of the other end of the arm 58 as a lock release member that can protrude into the storage chamber 40. On the other hand, an upper end of a crank lever 55 that can swing in the side wall of the storage chamber 40 is pivotally connected to one end of the arm 58 by the shaft 57. The lower end of the crank lever 55 can contact one end of a slidable lock member 54 provided in the lid LD. The lock member 54 has an operation portion 54a exposed to the outside of the lid LD on the lower surface of the base end, and an inclined surface connecting the upper and lower two-level plane parallel to the inner surface of the lid and the upper surface on the base upper surface. And a release pin 59 as an unlocking member whose upper end can protrude into the storage chamber 40 on the cam surface. Therefore, the lid LD is closed and the operation unit 54 is closed.
When the lock member 54 is slid rightward in FIG. 18 by a, the release pin 59 on the cam surface 54c projects into the storage chamber 40, and the release pin 59 pushes the lock member 29 of the cartridge 39. The delivery lock mechanism in the cartridge 39 is released by pressing the portion 29a. At the same time, in the above configuration, when the lock member 54 is slid, the crank lever 55 and the arm 58 swing, respectively, to cause the release pin 58a to project into the storage chamber 40, and the lock mechanism is released by the release pin 58a. Is to be released.

In this case, the release pin 59 is provided by the cam surface 54c of the lock member 54, and the release pin 58a is provided by the arm 58 and the crank lever 5
Pressing part 29a of lock member 29 of cartridge 39 at 5
, But it goes without saying that it is originally only one side. In FIG. 18, reference numeral 56 denotes a closing completion detection switch Ss that is turned on in the final stroke of the operation stroke of the crank lever 55, and is configured to start film feeding together with a cartridge detection switch Sl (not shown). However, if the movement of the lock member 54 is detected, the closing completion signal related to the movement of not only the release pin 59 but also the release pin 58a can be made naturally.

In the case of the third modification, when the closing operation of the lid LD is completed and secured by the lock member 54, the cartridge storage chamber 40 is closed.
Is completely light-tight, the delivery lock is released by either the release pin 59 or 58a, so that the film 26 is not exposed to external light. In addition, since the switch Ss is also operated in conjunction with the release of the delivery lock, the film transfer process can be promptly started at the time of release of the lock, and the above-mentioned problems such as the winding elasticity of the film 26 also occur. There is no. Furthermore, the third
Similarly, when the cartridge 39 is removed after the camera operation is completed, the release pin 59 or 58a is released in conjunction with the release operation of the lock member 54, and the lock member 29 of the cartridge 39 returns to the locked state. When the lid LD is opened, the delivery mechanism of the cartridge 39 is already in the re-lock completed state, so that the above problem does not occur.

FIG. 19 shows a fourth modification, in which
An arm 67 whose one end is swingably supported by a shaft 68 is provided in the upper wall, and a release pin 67a as an unlocking member that can protrude into the storage chamber 40 is provided on the lower surface of the other end of the arm 67. .
A lock member 64 is slidably provided in the lid LD, and the lock member 64 has an operation section 64a exposed to the outside of the lid LD on the lower surface of the base end thereof, and one end thereof is slid when slid. The movable contact 65 is brought into contact with the fixed contact 66 by contacting the movable contact 65 in the camera body 31. The base end of the lid LD is provided with a slidable slide lever 62, and a lower end of a lever 61 having one end pivotally provided by a shaft 61 in a side wall of the storage chamber 40 is provided with a slide lever.
It is possible to contact one end of 62. Also, the slide lever 62
A cam surface 62b is formed on the upper surface of the upper surface. The cam surface 62b is formed of an upper and lower plane parallel to the inner surface of the lid and an inclined surface connecting the two planes. A release pin 63 is provided as a stop release member. In the above configuration, the lid LD is closed, and the lock member 6 is
When the slider 4 is slid, the feeding lock of the cartridge 39 is released in the initial operation of the film feeding operation by a motor (not shown). In this case, since the detailed configuration inside the camera body conforms to the above-described embodiment, only the portion related to the film feed will be described.

In the case of the fourth modification, the lid LD is closed and the lock member 64 is closed.
19, the leading end 64b presses the contact piece 65 against the contact piece 66, and the closing completion detection switch Ss is turned on. At this time, the motor 101 (not shown) is started to rotate the gear 107 in the counterclockwise direction, and the lever 108 is moved in the direction of the arrow (counterclockwise direction) in order to start the film feeding together with the cartridge detection switch Sl (not shown). ) To start moving. In this case, the gear 110 connected to the second fork 131 that drives the film feeding mechanism is the gear 1 that meshes with the gear 107.
Since 09 is still in the detached state, the lever 108 moves in the direction of the above-mentioned arrow prior to driving of the delivery mechanism. This lever 108
In response to the movement of the lever 60 in the direction of the arrow, the slide lever 62 moves rightward in the drawing by swinging counterclockwise around the shaft 61 of the lever 60, and the release pin 63 is moved to the cartridge 39 by the cam surface 62b. The unlocking of the delivery mechanism of the film cartridge 39 is performed by the immersion movement of. Alternatively, the arm 67 swings counterclockwise around the shaft 68 in conjunction with the movement of the lever 108, and a release pin as a lock release member is provided.
Immersion movement of 67a into cartridge 39 causes cartridge 3
The delivery lock in 9 is released.

With this configuration, the delivery lock can be released immediately before the start of the driving of the film delivery mechanism, so that the above problem does not occur. Although the handling at the time of rewinding is not specified in FIG. 19, it may be re-locked upon completion of rewinding, or the locking member 64 may be used to release the lock of the lid LD by the user.
May be re-locked when is slid to the left.

According to the configuration of the above-described embodiment of the present invention, the winding shaft 22 of the film cartridge 39 is set at the predetermined phase position, so that the rotation phase position of the winding shaft 22 becomes constant, and the winding of the camera body 31 is performed. It becomes easy to connect to the take drive unit. Further, the first setting means having the switch S ₃ and the substrate 111b and the like,
If the winding drive unit on the camera body side is also set to a predetermined phase position corresponding to the predetermined phase position of the winding shaft 22, when the film cartridge 39 is loaded into the storage chamber 40, the winding shaft 22
And the phase of the drive unit thereof are matched, so that both members can be more smoothly engaged. Therefore, the loading operation of the film cartridge 39 can be performed quickly, and malfunctions and failures can be effectively prevented.

Also, in the case where the film cartridge 39 is provided with the sprocket 23 as a delivery member, similarly to the above,
If the sprocket 23 is set at a predetermined phase position, the same effect as described above can be obtained. Moreover, even those with the delivery driver to the camera body 31, the through switches S ₄ and the second setting means having a substrate 110b such as a predetermined said delivery driver in response to a predetermined phase position of the sprocket 23 phase If set to the position, the same effect as described above can be obtained.

Further, since the leading end portion 26c of the film 26 is locked in the vicinity of the entrance and exit of the film cartridge by the sprocket 23 as a delivery member in the film cartridge 39, the film 26 does not inadvertently move with respect to the film cartridge 39. There is no possibility that the film 26 is exposed from the film cartridge 39 by a predetermined amount or more, or the film 26 is inadvertently wound around the film cartridge 39 and the film 26 cannot be fed out. Therefore, the handling of the film cartridge 39 becomes simpler, and the work of loading the film cartridge 39 into the storage chamber 40 of the camera body 31 becomes simple. That is, the front end portion 26c of the film 26 is locked in the vicinity of the film cartridge entrance 25 in the film cartridge, and the film 26 does not protrude from the entrance 25 long, so that the handling of the film cartridge 39 becomes easy. Also, sprocket 23
Therefore, the amount of exposure of the film 26 can be reduced as compared with the related art, and the handling of the film cartridge 39 can be facilitated. Further, the film cartridge 39 is provided with a sprocket 23 for sending out the film 26, and it is not necessary to expose the film 26 from the entrance 25 in advance, so that the film 26 may not be exposed from the entrance 25 at all. .

If the film 26 is locked not only to the sprocket 23 but also to the winding shaft 22 in the same manner as in the above embodiment, the film 26 can be locked more reliably.

Further, the film cartridge 39 is mounted on the film 26.
The sprocket 23 that feeds the film cartridge to the film chamber side, the user only needs to store the film cartridge 39 in the camera body 31. The sprocket 23 is driven by driving, and the film 26 is automatically sent from the film cartridge 39 to the film chamber side and engaged with the spool 41. Therefore,
The user merely needs to store the film cartridge 39 in the camera body, and does not need to perform any operation of adjusting the film length such as pulling out the film 26 from the film cartridge 39 and connecting the film 26 to the spool 41 at all. Therefore, the above film cartridge 39
The operation of loading the camera body 31 is extremely simple.

Note that the present invention is not limited to the above-described embodiment, and can be implemented in various other modes. For example, another embodiment of the present invention is shown in FIG. In this embodiment, step S1
It is the same as FIG. 11B except that 320 and S1326 are different.
Steps S1320 and S1326 are steps S320 and S326 in the above embodiment.
While the switch S ₄ is turned on has been detected in the embodiment is different from the switch S ₅ is in this embodiment
Is detected to be turned on.

Pattern PT1c constituting the switch S ₅ as shown in FIG. 7 (b) is a pattern PT1b a predetermined angle theta (about 90 degrees in the drawing) phase which constitutes the switch S ₄ is arranged differently. Therefore, steps S1320 and S321 in FIG.
326, the switch S ₅ as shown in S327 stops the motor 101 when turned on, before loading the film winding shaft 22 of the film cartridge 39 into the camera state (prior to initial use state ) Is stopped at a phase shifted by θ. On the other hand, the first fork 130 of the camera
Film cartridge 39 is a film cartridge storage room
When it is taken out from 40, it returns to the initial rotational position by executing the interrupt INT3 shown in FIG. 12, as in the previous embodiment.

Therefore, when the photographed film cartridge is to be loaded into the camera again, the film loading shaft 22 and the first fork 130 are out of phase with each other by θ, so that the film cannot be loaded smoothly. Can not be loaded without pushing it against As a result, the user can know that the user has mistakenly reused a film that has already been shot. If the first fork is not retracted, it cannot be reused by mistake.

[Brief description of the drawings]

FIG. 1 is a perspective view of one embodiment of a film cartridge used in a camera for a film cartridge according to the present invention, FIG. 2 is a cross-sectional view taken along the line II-II of FIG. 1, and FIG. Schematic explanatory view of a camera showing a state in which a front end portion of a film is sent out from a film doorway of a film cartridge case after being stored in a film cartridge storage chamber of a camera body of the camera,
4 and 5 are a front view and a bottom view of the camera, respectively, showing a state in which the film cartridge is about to be stored in the film cartridge storage chamber of the camera body. FIG. 6 is a camera body in which the film cartridge is shown in FIG. FIG. 7 (a) is a plan view of the camera shown in FIG. 7 (a), showing the film storage shaft, sprocket, and spool drive unit of the camera shown in FIG. 4, and FIG. (B) and (c) are enlarged views of the gear 111 and the gear 110, respectively. FIG. 8 is a circuit diagram of a microcomputer of the camera shown in FIG. 4, and FIG. 9 is an initial setting of the camera shown in FIG. FIG. 10 is a flowchart showing the operation of the camera shown in FIG. 4, and FIG. 11A and FIG. 11B are flow charts showing the photographing operation, the film winding operation, and the like of the camera shown in FIG. FIG. 12 is a flowchart showing the film winding operation, FIG. 12 is a flowchart showing the operation performed when the film cartridge is taken out of the storage chamber or when the lid is opened without loading the film cartridge, and FIGS. FIG. 15 is a plan view and a sectional side view showing a lock mechanism of a sprocket inside the film cartridge 39, FIG. 15 is a sectional side view showing a lock mechanism of a sprocket according to another embodiment, and FIGS. FIG. 20 is an explanatory view showing a modified example, FIG. 20 is an explanatory view showing a state in which a conventional 135-type film cartridge is about to be stored in a cartridge storage chamber of a camera body, and FIG.
In the figure, an explanatory view showing a state in which a camera user is trying to connect the leading end of the film to a spool after a 135-type film cartridge has been stored in the cartridge storage chamber, and FIG. 22 is an operation of a camera according to another embodiment of the present invention. It is a flowchart which shows. 21 ... case, 22 ... winding shaft, 22a ... first engagement portion, 23,
23-1 ... sprocket, 23a ... second engagement part, 25 ...
Film door 26, Film 26a Perforation 27 Light-blocking member 29, 29-1, 54, 64 Lock member 30, 30-1, 30-2 Spring, 31 Camera Body, 3
7 ... Spool chamber, 39 ... Film cartridge, 40 ...
... film cartridge storage room, 41 ... spool, 43 ...
... film cartridge doorway, 50,52a, 58a, 59,63,67
a, 150: Release pin, 51: Push rod, 52: Swing arm, 53, 57, 68: Shaft, 55: Crank lever, 58: Arm, 60: Lever, 62: Slide lever , 67 ... arm, 101 ... motor, 102 ... reduction gear,
130 ... 1st fork, 131 ... 2nd fork, LD ...
Lid, RD ... Film transfer amount detection means, Ss ... Completion detection switch, Sl ... Cartridge detection switch.

──────────────────────────────────────────────────の Continued on the front page (51) Int.Cl. ⁶ Identification symbol FI G03C 3/00 572 G03C 3/00 572C 599 599C (72) Inventor Katsuaki Chigasaki 2--30 Azuchicho, Higashi-ku, Osaka-shi, Osaka Address Osaka International Building Minolta Camera Co., Ltd. (72) Inventor Yoshinobu Kudo 2-30-30 Azuchicho, Higashi-ku, Osaka City, Osaka Prefecture Osaka International Building Minolta Camera Co., Ltd. (72) Inventor Kanbo Tsuji, Azuchicho, Higashi-ku, Osaka City, Osaka No. 2-30 Osaka International Building Minolta Camera Co., Ltd. (56) References Japanese Utility Model Showa 60-130433 (JP, U) Japanese Utility Model Showa 59-22433 (JP, U) Japanese Utility Model Showa 62-79227 (JP, U) U.S. Pat. No. 58-67329 (JP, U) U.S. Pat. No. 57-133030 (JP, U) U.S. Pat. No. 4,221,479 (US, A) (58) Fields investigated (Int. Cl. ⁶ , DB name) G03C 3/00 G03B 17/24 G03B 7/00-7/28

Claims (3)

(57) [Claims] An opening (21a) provided with a rotating member (22) for driving a film (26) housed inside a case, and an engaging portion (22a) of the rotating member (22) provided on an end face of the case. A film cartridge (39) exposed from the camera, wherein when the film is not in use, the rotating member (22) is in the first position.
A camera (31) using the film cartridge (39) set at a predetermined phase position, wherein a cartridge storage chamber (40) for storing the film cartridge (39) and the rotating member (22) are A drive member that engages with the engaging portion (22a) of the rotating member (22) of the film cartridge (39) housed in the cartridge housing chamber (40) when set to the first predetermined phase position; (130)
After the film sent out from the film cartridge (39) is rewound into the cartridge, the rotating member (22) is set at a second predetermined phase position different from the first predetermined phase position. And a control means (COM) for controlling the rotation of the driving member as described above. 2. An opening (21a) having a rotating member (22) for driving a film (26) housed inside a case, and an engaging portion (22a) of the rotating member (22) provided on an end face of the case. A film cartridge (39) exposed from the camera, wherein when the film is not in use, the rotating member (22) is in the first position.
When the film is not in an unused state, a film cartridge (39) is used in which the rotating member (22) is set to a second predetermined phase position different from the first predetermined phase position. A camera (31), wherein the cartridge storage chamber (40) for storing the film cartridge (39) and the cartridge storage chamber so as to be in contact with the engaging portion (22a) of the rotating member of the film cartridge. When the rotating member (22) is at the first predetermined phase position, the loading of the cartridge is not restricted while the rotating member (22) is at the second predetermined phase position. And a loading regulating member (130) for regulating the loading of the cartridge. 3. A case (21) having an entrance (25) for a film (26) housed therein and having an opening (21a) on an end face thereof, and a member engaged with a driving member (130) outside the case. While the joint (22a) is exposed from the opening (21a), the film (22a) is rotatably supported in the case (21) to drive the film housed in the case, and the film is not used. Sometimes, while being set to the first predetermined phase position, after the film sent out from the film cartridge (39) is rewound into the cartridge, a second predetermined phase different from the first predetermined phase position is set. And a rotating member (22) set at a position. When loading the film cartridge (39) into a cartridge storage chamber (40) provided with the external driving member, the rotating member (22) Is in the first predetermined phase position, the loading of the cartridge is not restricted by the driving member (130) provided in the cartridge storage chamber (40), and the rotating member (22) is in the second predetermined position. The film cartridge, wherein the rotating member (22) has a shape that is restricted by the drive member (130) provided in the cartridge storage chamber when the cartridge is in the phase position.