JPH11242277A - Camera and back magazine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enable recording of photographing data and also to enable halfway replacing with another kind of photographic films in a short time, as for a camera equipped with a back magazine which can be attached/detached to/from the camera body and also as for the back magazine. SOLUTION: The back magazine 200 is constituted of a cartridge loading chamber 201 to which a film cartridge 300 is loaded, a film take-up chamber 211 horizontally arranged leaving a prescribed distance from the cartridge loading chamber and for winding and storing the photographic film 10 fed from the film cartridge loaded in the cartridge loading chamber. Also, the back magazine is provided with a film path with an opening for making photographic light transmitted through a photographic lens incident on the photographic film, a light shielding cover path where a light shielding cover 225 for covering the opening so as to shield the light is moved backward and forward, a film feed mechanism, a film take-up mechanism and a contact connecting member 205 for receiving the data recorded on a storage medium installed in the film cartridge from the camera body part.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a camera provided with a back magazine detachably mounted on a camera body, in which a film cartridge containing a silver halide type photo roll film is loaded, and a back magazine thereof.

[0002]

2. Description of the Related Art Conventionally, for example, Japanese Patent No. 2650648 discloses a technique relating to a camera using a film cartridge provided with a recording medium capable of recording and reading out data relating to photographing. When such a film cartridge is used, a photographic film that has been partially photographed is recorded on the recording medium, for example, on how many frames have been photographed, and then rewound in the middle, and replaced with the rewound film cartridge. A variety of photographing can be realized, for example, by loading a new film cartridge containing a different kind of photo film and performing photographing.

[0003]

However, in the case of the technique disclosed in the above-mentioned publication, when the film cartridge is to be replaced halfway in accordance with the purpose of photographing, the photographic film that has been used halfway is replaced in the film cartridge every time the replacement is performed. It is necessary to take out the film cartridge from the camera and load a new film cartridge.Therefore, the time required for rewinding the photo film and the initial time of the photo film stored in the newly loaded film cartridge are required. The time required for the transfer is required, and during that time, a considerably long time is required. During that time, the photographing cannot be performed, and there is a risk of missing a photo opportunity.

In view of the emergence of a large film cartridge containing a long photo roll film far exceeding the standard number of shots, if the technique disclosed in the above-mentioned publication is to be used as it is, a long film cartridge is required. It is unavoidable to use a camera dedicated to a long film loaded with a film cartridge of this type, and the economic burden on the camera user is large. For manufacturers who provide such a camera, development and distribution costs are low. Heavy burden.

SUMMARY OF THE INVENTION In view of the above circumstances, the present invention is capable of recording various data relating to photography, and is capable of being exchanged for a different type of photographic film in a short time, and is used for such a camera. It is another object of the present invention to provide a back magazine in which a film cartridge is loaded.

[0006]

According to the present invention, there is provided a camera comprising: a camera body to which a photographing lens is fixed or interchangeably mounted; and a film cartridge accommodating a photographic film. A back magazine detachably mounted on the camera main body for photographing with photographic light through a photographic lens on the photographic film fed from the film cartridge in cooperation with the main body; The magazine is such that a film cartridge including a recording medium on which data is recorded by means different from photographing with photographing light is mounted on the film cartridge itself or a photographic film housed in the film cartridge. The main unit generates a driving force for feeding the photo film in the back magazine. And a data generator for generating data to be recorded on a recording medium in the back magazine, wherein the back magazine receives the driving force obtained by the driving force generator, and the photographic film receives the driving force. And a data receiving unit for receiving the data generated by the data generating unit.

Here, the recording medium may be, for example, a semiconductor memory or the like provided in the film cartridge itself, or a magnetic recording stripe or the like provided in a photographic film housed in the film cartridge. There may be. According to the present invention, it is sufficient to replace the back magazine, so that it is possible to quickly replace a different type of photographic film, and it is easy to capture a photo opportunity.

Further, since the camera body has the data generator and the back magazine has the data receiver, it is possible to transfer the data relating to photography generated by the camera body to the back magazine and record it on a recording medium. Here, in the camera of the present invention, more specifically,
The back magazine winds up and accommodates a photographic film sent from a film cartridge loaded in the cartridge loading chamber, and a left and right side of the cartridge loading chamber in which the film cartridge is loaded, and a predetermined distance from the cartridge loading chamber. A film passage formed with an opening for allowing photographic light passing through the photographic lens to enter the photographic film, formed between the cartridge loading chamber and the film winding chamber, and shielding the opening from light. Shading cover passage for the shading cover to move forward and backward,
A film feeding mechanism for sending out the photo film in the film cartridge loaded in the cartridge loading chamber and rewinding the fed out photo film to the film cartridge, a photo film sent from the film cartridge in the cartridge loading chamber and passing through the film passage It is preferable that the camera has a film winding mechanism for winding the film into the film winding chamber, and a contact for receiving data recorded on the recording medium from the camera body.

In this case, in particular, the back magazine is one in which a film cartridge having a contact for receiving data recorded on a recording medium on the outer surface of the film cartridge is loaded into a cartridge loading chamber. Is connected to a contact on the outer surface of the film cartridge loaded in the cartridge loading chamber, and is electrically connected to a contact for receiving data recorded on the recording medium from the camera body. It may have a contact.

Further, the back magazine has a cartridge lid at a bottom portion of the cartridge loading chamber for loading a film cartridge into the cartridge loading chamber and taking out a film cartridge from the cartridge loading chamber. This is also a preferred embodiment. Further, in the camera of the present invention, it is preferable that the camera further comprises a light shielding means for shielding the photographic film in the back magazine from external light when the back magazine is mounted on the camera body.

In this case, the camera body includes a rib for guiding the back magazine when the camera is mounted, and the back magazine includes a groove into which the rib is fitted.
The light shielding means may be constituted by fitting the rib and the groove. Further, in the camera of the present invention, it is preferable that the camera further comprises a lock mechanism for holding the back magazine mounted on the camera body in a mounted state.

Further, in the above-described configuration having the light-shielding cover passage, the light-shielding cover may be, for example, a detachable flat plate-shaped member that is manually inserted into the light-shielding cover passage so as to be able to move forward and backward. However, the back magazine may be provided with a windable and deployable light shielding cover that is deployed in the light shielding cover passage and retracted from the light shielding cover passage and wound up.

In this case, the back magazine is provided with a light-shielding cover opening / closing mechanism for expanding and retracting the light-shielding cover, and the camera main body generates a driving force transmitted to the light-shielding cover opening / closing mechanism. It is preferable to include a driving unit. Further, the camera of the present invention may have a magazine attaching / detaching structure for attaching / detaching the back magazine to / from the camera body by moving the back magazine vertically with respect to the camera body. The camera according to the invention may have a magazine attaching / detaching mechanism for attaching / detaching the back magazine to / from the camera body by moving the back magazine relative to the camera body in the optical axis direction of the taking lens.

Further, in the camera according to the present invention, a long film cartridge containing a longer photographic film than the photographic film stored in the film cartridge is loaded, and the camera body is exchangeable with the back magazine. It is also preferable to provide a long film back magazine that is attached to the camera body and cooperates with the camera main body to perform photographing with photographic light via a photographic lens on a photographic film fed from the long film cartridge. It is.

Here, the long film back magazine is a recording medium in which data is recorded on the long film cartridge itself or on a photographic film stored in the long film cartridge by means different from photographing by photographing light. The long film cartridge provided is to be loaded, and the long film back magazine is provided with:
A film feeder that feeds a photo film by receiving a driving force obtained by a driving force generator provided in the camera body;
A data receiving unit that receives the data generated by the data generating unit provided in the camera body.

In this case, when using the long cartridge, a new back magazine for the long film may be newly prepared, and the camera body can be used in common. A back magazine according to the present invention that achieves the above object is provided with a camera cartridge in which a film cartridge accommodating a photo film is loaded, and a photographing lens is fixed or exchangeably mounted on a camera body portion, which is detachably mounted. In cooperation with the main body, a back magazine for performing photographing with photographic light via a photographic lens on a photographic film fed from a film cartridge, and the back magazine is housed in the film cartridge itself or the film cartridge. A photographic film is loaded with a film cartridge provided with a recording medium on which data is recorded by means different from photographing with photographic light, and receives the driving force transmitted from the camera body to convert the photographic film. The film feeder that feeds and the data generated by the camera body Characterized by comprising a data receiving unit to take only.

[0017]

Embodiments of the present invention will be described below. In the following, embodiments of the camera of the present invention will be described. However, the back magazine constituting the camera in each embodiment corresponds to the embodiment of the back magazine of the present invention as it is. FIG. 1 is a perspective view of a camera body constituting a camera according to a first embodiment of the present invention, and FIG.
FIG. 2 is a perspective view of a back magazine detachably attached to the camera body shown in FIG. 1. In these figures, only the main parts are shown, and the outline is shown by a two-dot chain line.

FIG. 3 is a sectional view showing the back magazine shown in FIG. 2 along the arrow XX in FIG. However, the upper surface of the film cartridge is shown. Here, the back magazine shown in FIGS. 2 and 3 will be described first, and then the camera body shown in FIG. 1 will be described. In the cartridge loading chamber 201 of the back magazine 200, a film cartridge 300 in which a silver salt type photographic film is wound and stored is loaded. In loading, the cartridge cover 202 at the bottom of the back magazine is opened and the film cartridge 30 is opened.
0 is inserted in a predetermined direction, and the cartridge lid 202 is closed.

The film cartridge 300 is provided with a chamber door opening / closing shaft engaging hole 301 on the upper surface thereof. When the film cartridge 300 is loaded in the cartridge loading chamber 201, the chamber provided in the back magazine 200 is provided. The door opening / closing member 203 fits into the chamber door opening / closing shaft engaging hole 301. A light-shielding chamber door (not shown) is provided at a film entrance 302 (see FIG. 3) of the film cartridge 300.
When the film cartridge 300 is in the cartridge loading chamber 20
1, when the cartridge lid 202 is closed, the closing operation of the cartridge lid 202 causes the chamber door opening / closing member 203 to rotate via a lever (not shown),
Since the chamber door opening / closing member 203 is fitted in the chamber door opening / closing shaft engaging hole 301 of the film cartridge 300, the chamber door is opened by its rotation, and the photographic film stored in the film cartridge 300 is fed into and out of the film entrance 302 (see FIG. 3). ). The photographic film once sent out from the film cartridge 300 is
After the cartridge lid 202 is stored again, when the cartridge lid 202 is opened, the chamber opening / closing member 203 is rotated in a direction opposite to that of the closing operation of the cartridge lid 202 by a lever action accompanying the opening operation of the cartridge lid 202, A chamber door closes the film doorway 302 (see FIG. 3),
Thus, even if the film cartridge 300 is taken out of the back magazine 200, the inside of the film cartridge 300 is in a light-shielded state.

A spool shaft engaging hole 303 is provided at the center of the upper surface of the film cartridge 300.
When the film cartridge 300 is loaded in the cartridge loading chamber 201, the chamber door opening / closing member 203 fits into the chamber door opening / closing shaft engaging hole 301 as described above, and the spool engagement connecting member provided in the back magazine 200. 204 fits into the spool shaft engaging hole 303. The spool engagement connecting member 204 is rotated by a driving force from a camera body described later, and the photographic film wound around a spool shaft (not shown) in the film cartridge 300 is thereby rotated. The photographic film is fed into the film cartridge 300 by reverse rotation. The details of the feeding of the photographic film will be described later.

Further, a contact pattern 304 for electric signal transmission is provided on the upper surface of the film cartridge 300.
Are formed. The film cartridge 300 incorporates an IC memory (not shown) in which various data relating to photographing are recorded and read out. The data is stored in the IC memory via the contact pattern 304 on the upper surface of the film cartridge 300. Is written, or data is read from the IC memory. When the film cartridge 300 is loaded in the cartridge loading chamber 201, the contact pins 205a of the contact connecting member 205 provided on the back magazine 200 project downward from the contact patterns 304 on the upper surface of the film cartridge 300. In contact therewith, it is electrically connected to the contact pattern 304 on the upper surface of the film cartridge 300. The upper surface 205b of the contact connecting member 205 also forms a contact. When the back magazine 200 is mounted on the camera main body 100, the contact pins of the camera main body 100 contact the upper surface 205b of the contact connecting member 205. To make them conductive (details will be described later).

The back magazine 200 has a film winding chamber arranged side by side with a predetermined distance from the cartridge loading chamber 201, and the film winding chamber 211 is provided with a film winding shaft 212. And the photo film 10 sent from the film cartridge 300
Is a film winding chamber 2 via a film passage described later.
Then, the film is wound around a film winding shaft 212 in the film winding chamber 211. Film winding shaft 21
2, a film winding connection member 213 is coaxially fixed, and the film winding connection member 213 rotates by receiving a driving force from the camera body, and the film winding shaft 212 rotates accordingly. Thus, the photographic film 10 is wound around the film winding shaft 212. In order for the photo film to be correctly wound on the film winding shaft 212,
As shown in FIG. 3, a film holding member 214 urged in a direction for holding the photographic film 10 is provided in the film winding chamber 211.

As shown in FIG. 3, between the cartridge loading chamber 201 and the film winding chamber 211, the film 10
A film passage 221 through which the film passes is formed. On the camera body 100 side of the film passage 211, an opening frame 222 having an opening 222a through which photographing light passing through the photographing lens 102 is incident on the photographic film is provided, and on the back side of the film passage 221. , Pressure plate spring 22
3, a pressure plate 224 biased toward the opening frame 222 is provided. The photographic film 10 sent out from the film cartridge 300 is transferred one by one to the film passage 22.
1 is stopped at a position facing the opening 222 a, and after being photographed, it is sent to the film winding chamber 211 and wound on the film winding shaft 212.

When a rewind instruction is given on the way, or when the photographing of the last frame is completed, the photographic film 10 is rewound into the film cartridge 300. On the front side of the film passage 221, there is formed a light-shielding cover passage 226 in which the light-shielding cover 225 for closing the opening 222 a and shielding the photographic film in the back magazine 200 from external light advances and retreats. The light-shielding cover 225 employed in this embodiment has moderate flexibility and rigidity, and is retracted from the light-shielding cover passage 226 while being retracted from the light-shielding cover winding shaft 227.
When the light-shielding cover winding shaft 227 rotates in the light-shielding cover developing direction, the light-shielding cover 225 wound on the light-shielding cover winding shaft 227 is expanded into the light-shielding cover passage 226. As shown in FIG. 2, a light-shielding cover opening / closing operation connecting member 228 is coaxially fixed to the light-shielding cover winding shaft 227, and the light-shielding cover opening / closing operation connecting member 228 receives a driving force from the camera body 100. And the light-shielding cover winding shaft 2
27 rotates to wind up the light-shielding cover 225 or expand the light-shielding cover 225 in the light-shielding cover passage.

The back plate 231 of the back magazine 200
A liquid crystal display panel 241 for displaying the film sensitivity and the number of frames taken is provided on the outer surface of the camera, and the back plate 231 is provided with the back magazine 200 when the back magazine 200 is mounted on the camera body 100. A lock claw hole 232 into which a lock claw constituting a lock mechanism (described later) for maintaining the mounted state is formed.

Further, the back magazine 200 includes:
A groove 251 extending vertically on the left and right sides and extending horizontally on the upper end surface of the back plate 231 is formed. The ribs 101 of the camera body 100 are fitted into the grooves 251 when the back magazine 200 is mounted on the camera body 100, and the back magazine 200 is moved upward with respect to the camera body 100. 200 camera body 1
00, and after installation, the groove 251
By maintaining the state in which the rib 101 is completely fitted into the camera body, a light-shielding state for preventing external light from entering the inside from the gap between the back magazine 200 and the camera body 100 is maintained. The back magazine 200 is the camera body 100
1, the lock claw 111 constituting the lock mechanism 110 provided in the camera body 100 enters the lock claw hole 232 of the back magazine 200 and operates the lock knob 112 in the direction of arrow A shown in FIG. By
The mounting of the back magazine 200 to the camera body 100 is locked. The details of the lock mechanism 110 will be described later.

The camera body 100 has connection pins 121
The connection pin 121 is connected to a control circuit 123 via a wiring 122. When the back magazine 200 is mounted on the camera body 100, the connection pins 121 provided on the camera body 100 are connected to the upper surface 20 of the contact connecting member 205 provided on the back magazine 200.
5b and makes electrical conduction. As described above, the contact pins 205a on the lower surface of the contact connecting member 205 are connected to the contact patterns 304 on the upper surface of the film cartridge 300.
To the control circuit 1
An electric signal transmission path has been formed between the IC card 23 and an IC memory (not shown) in the film cartridge 300, and data relating to photographing is sent from the control circuit 123 to the IC memory as necessary. The contents recorded in the IC memory or the contents recorded in the IC memory are stored in the control circuit 1.
23.

The camera body 100 is provided with a film feed drive motor 131, a reduction gear train 132 and a spool winding shaft 133.
When the is mounted on the camera body 100, the spool winding shaft 133 fits into the engagement groove 204a on the upper surface of the spool engagement connection member 204 provided in the back magazine 200.
Therefore, the back magazine 200 is
When the film feed drive motor 131 rotates forward in the state of being mounted on the spool, the rotational driving force is transmitted to the spool engagement connection member 204 via the reduction gear train 132 and the spool winding shaft 133, and the spool engagement connection member 204 rotates.
Since the spool engagement connection member 204 is fitted in the spool shaft engagement hole 303 of the film cartridge 300 as described above, the photographic film wound inside the film cartridge 300 by the rotation of the spool engagement connection member 204. Is sent out from the film cartridge 300. When the film feed drive motor 131 rotates in the reverse direction, the photographic film is rewound into the film cartridge 300.

The camera body 100 has a reduction gear train 134 connected to the film feed drive motor 131 and a film take-up engagement shaft 135 connected to the reduction gear train 134. When the back magazine 200 is mounted on the camera body 100, the film winding engagement shaft 135 is provided.
3 is fitted into the engagement groove 213a on the upper surface. Therefore, when the film feed drive motor 131 rotates forward while the back magazine 200 is mounted on the camera body 100, the rotational driving force of the film feed drive motor 131 is transmitted through the reduction gear 134 to the film winding engagement shaft. The rotation of the film winding engagement shaft 135 is further transmitted to the film winding connection member 213 on the side of the back magazine 200, and further to the film winding shaft 212, and the film winding shaft 212 is moved to the photographic film 10. Rotate in the winding direction. That is, when the film feed drive motor 131 rotates forward, the photographic film is sent out from the film cartridge 300 and is taken up on the film take-up shaft 212.

Here, the camera body 100 is provided with a photocoupler 161 for detecting the perforation (not shown) of the photographic film 10, and the photographic film 10 is supplied by the photocoupler 161 for one frame. It is detected that the film has been fed, and in response to the detection, the film feed drive motor 131 stops every time the photographic film 10 is fed by one frame.

When the photographic film 10 is rewound into the film cartridge 300, the film feed drive motor 13
1 is reversed, whereby the photographic film wound up on the film take-up shaft 212 is turned into the film cartridge 30.
And is rewound into the film cartridge 300. Further, the camera body 100 is provided with a light-shielding cover opening / closing drive motor 141 and a light-shielding cover opening / closing shaft 142 connected to the light-shielding cover opening / closing drive motor 141.
When the light shielding cover opening / closing shaft 142 is mounted on the back magazine 200, the light shielding cover opening / closing shaft 142 fits into the engagement groove 228a on the upper surface of the light shielding cover opening / closing operation connecting member 228 provided in the back magazine 200. When the back magazine 200 is mounted on the camera body 100 and the lock knob 112 is operated to the lock side (arrow A side),
The contact 113 constituting the lock mechanism 110 is opened and the contact 1
When the contact 114 is closed, the light-shielding cover opening / closing drive motor 141 rotates in the forward rotation direction (the side on which the light-shielding cover 225 is wound around the light-shielding cover winding shaft 227), and its rotational driving force is changed to the light-shielding cover opening / closing. The shaft 142 is transmitted, and further transmitted to the light-shielding cover opening / closing operation connecting member 228, and the light-shielding cover winding shaft 227 rotates to rotate the light-shielding cover winding shaft 227.
The light shielding cover 225 is wound up.

The back magazine 200 is connected to the camera body 10
When the lock knob 112 is operated to the unlocking side (arrow B side) to remove it from 0, the contact 114 constituting the locking mechanism 110 is opened and the contact 113 is closed. The drive motor 141 rotates in the reverse direction, and the light-shielding cover 225 wound around the light-shielding cover winding shaft 227 is moved to the light-shielding cover passage 2 shown in FIG.
26. When the light-shielding cover 225 is completely unfolded, the photo coupler 162 detects the fact.

Incidentally, the camera body 10 in the present embodiment.
Although a photographing lens 102 (see FIG. 3) is fixedly provided at 0, the photographing lens 102 may be interchangeably mounted on the camera body 100. FIG. 4 is a perspective view of the lock mechanism 110 according to the first embodiment described with reference to FIGS. 1 to 3, and FIGS. 5 and 6 are plan views for explaining the operation of the lock mechanism 110 shown in FIG. .

The lock mechanism 110 includes a lock knob 1
12, a lock claw hole 232 of the back plate 231 of the back magazine 200 (see FIG. 2) extending from the lock knob 112.
Lock claw 111 which engages with two contacts 113, 11
4. Lock knob 1 that engages with each of contacts 113 and 114
12, the contact pins 115 and 116, and the support shaft 117.
, The armature 119 connected to one end of the safety lock lever 118, a tension spring 151 for urging the safety lock lever 118 in the direction of arrow C, and the armature 119.
A reverse excitation type electromagnet 152 for attracting and releasing the magnet, and a contact pin 15 having a rear end fixed to the lock knob 112 and having a front end abutting against the projection 118 a of the safety lock lever 118.
3 is provided with an arc-shaped lever 154.

When the lock knob 112 is operated in the direction of the arrow A (locking side) shown in FIG. 5, the contact pin 113 is opened by the action of the contact pin 115 and the contact pin 116 is moved as shown in FIG. The contact 114 is disengaged from the contact 114, and the contact 114 is closed. In response to the closing of the contact 114, the light shielding cover 225 is wound around the light shielding cover winding shaft 227,
The opening 222a is opened.

At this time, the contact pin 153 at the tip of the arc-shaped lever 154 is connected to the protrusion 118 a of the safety lock lever 118.
, And pushes the protrusion 118 a, whereby the safety lock lever 118 rotates in the direction of arrow D against the urging force of the tension spring 151, and the armature 119 contacts the electromagnet 152. The electromagnet 152 is of a reverse excitation type, and a permanent magnet is used for its core.
Is brought into contact with the electromagnet 152 as it is.
2 is adsorbed.

Next, in order to remove the back magazine 200 from the camera body 100, the lock knob 112 is moved to the position shown in FIG.
When the contact pin 116 is moved in the direction of arrow B (lock release direction), the contact pin 116 is opened by the action of the contact pin 116, and the contact pin 115 is disengaged from the contact 113.
Closes. At this time, the lock claw 111 comes into contact with the tip of the safety lock lever 118, and the lock knob 112 is in a state where it cannot be further moved in the arrow B direction before the lock is released yet. With the closing of the contact 113, the light-shielding cover opening / closing drive motor 141 rotates in a direction in which the light-shielding cover 225 is deployed in the light-shielding cover passage 226, and the light-shielding cover is moved from the photocoupler 162 at the timing when the light-shielding cover 225 is completely deployed. A signal is output to the effect that the deployment has been completed, and upon receiving the signal, the light shielding cover deployment drive motor 141 stops rotating and the electromagnet 152
Is supplied with reverse excitation power to the electromagnet 1 of the armature 119.
52, the safety lock lever 118 is rotated in the direction of arrow C by the action of the tension spring 151, the armature 119 is separated from the electromagnet 152, and the lock claw 11 is released.
The lock between the lock lever 1 and the tip of the safety lock lever 118 is released, and the lock knob 112 can be further operated in the lock release direction (the direction of arrow B). Then, by further operating the lock knob 112 in the unlocking direction, the lock is released, and the back magazine 200 can be removed from the camera body 100.

As described above, here, the light shielding cover 225 is used.
Is unlocked after the light is developed and completely shielded from light, so that careless external light is prevented from entering the photo film 10 in the back magazine 200. FIG. 7 is a perspective view of a camera body constituting the camera according to the second embodiment of the present invention, and FIG. 8 is a perspective view of a back magazine detachably mounted on the camera body shown in FIG. In these drawings, as in the case of the first embodiment described above, only the main parts are shown, and the outer shape is shown by a two-dot chain line. The same applies to the drawings of the following embodiments. FIG. 9 is a cross-sectional view showing the back magazine shown in FIG. 8 along an arrow XX in FIG. In these drawings, components having the same functions as those of the first embodiment shown in FIGS. 1 to 3 are denoted by reference numerals shown in FIGS. 1 to 3 even if there is a difference in appearance or a difference in arrangement position. The same reference numerals are used to denote the same parts, and only differences will be described. The same applies to the following embodiments.

In the second embodiment shown in FIGS. 7 to 9, when the back magazine 200 is mounted on the camera main body 100, the back magazine 200 is attached to the camera main body 100 with the taking lens 102 (see FIG. 9). ) Is a type of moving in the direction of the optical axis. In order to realize this, the groove 251 in which the rib 101 of the camera main body 100 is fitted to realize the light shielding state is located on the front side of the back magazine 200, and the rib 101 of the camera main body 100 is also located at the position of the groove 251. It is in the position according to.

The spool engaging connecting member 204 provided on the back magazine 200, the film winding connecting member 2
13, a light shielding cover opening / closing operation connecting member 228, a spool winding shaft 133, a film winding engagement shaft 135, and a light shielding cover opening / closing shaft 142 provided in the camera body 100 are provided with flat gears. The power is transmitted from the camera body 100 side to the back magazine 200 side by the engagement.

Further, the connection pin 121 provided on the camera body 100 has a shape that elastically slides on the upper surface 205 b of the contact connecting member 205 provided on the back magazine 200. Further, the lock knob 112 of the camera body 100 is configured to be slid vertically, and the lock claw hole 232 formed in the back plate 231 of the back magazine 200 is adapted to the movement of the lock knob 112. It has a shape.

FIG. 10 is a perspective view of a camera body constituting a camera according to a third embodiment of the present invention. FIG. 11 is a perspective view of a back magazine detachably mounted on the camera body shown in FIG. FIG. 12 is a cross-sectional view showing the back magazine shown in FIG. 11 along an arrow XX in FIG. Also,
FIG. 13 is a schematic view showing the structure of a film cartridge used in the camera of the present embodiment and a photographic film stored in the film cartridge.

Here, FIG. 13 will be described first.
The film cartridge used in the cameras of the first embodiment and the second embodiment described above has a built-in IC memory, but is used in the camera of the third embodiment shown in FIGS. Film cartridge 30
0 has no built-in IC memory.
The photographic film 10 stored in the film cartridge 300 shown in FIG. 3 is provided with a magnetic recording track 11 and an optical recording part 12 below the photographing screen 10a. In this respect, the same applies to the photo film housed in a film cartridge containing an IC memory. However, in the photo film 10 shown in FIG. 13, a perforation 13 is also shown at the top of the photographing screen 10a.

The film cartridge 300 shown in FIG. 13 is provided with a chamber door opening / closing shaft engaging hole 301 and a spool shaft engaging hole 303 as in the film cartridge shown in FIG. , The contact pattern 304 formed on the film cartridge shown in FIG. 2 is not formed. The back magazine constituting the camera according to the third embodiment shown in FIGS.
The optical recording is performed on the magnetic recording head 243 for writing data relating to photographing on the magnetic recording track 11 (see FIG. 13) on the photographic film 10 extracted from 0 and the optical recording portion 12 (see FIG. 13) of the photographic film 10. A light emitting element 244 is provided, and the magnetic recording head 243 and the light emitting element 244 are connected to a contact connecting member 205 via a wiring 245.

Although the contact connecting member 205 shown in FIG. 2 was provided with a contact pin 205a at the lower part thereof, the contact connecting member 205 shown in FIG. 11 corresponds to the fact that the film cartridge 300 has no contact. No special contact pins are provided. The upper surface 205 b of the contact connection member 205 shown in FIG. 11 is electrically connected to the connection pins 121 provided on the camera body 100.

The other points of the third embodiment shown in FIGS. 10 to 12 are the same as those of the first embodiment shown in FIGS. FIG. 14 is a perspective view of a camera body constituting the camera of the fourth embodiment of the present invention, FIG. 15 is a perspective view of a back magazine detachably mounted on the camera body shown in FIG. 14, and FIG. The back magazine shown in FIG.
It is sectional drawing shown along arrow XX.

The fourth embodiment shown in FIGS. 14 to 16 is similar to the second embodiment shown in FIGS. 7 to 9 in that the back magazine 200 is moved in the optical axis direction of the photographing lens 102 and the camera body 100 is moved. This is an embodiment of the type to be mounted on the printer and a type using a film cartridge of the form shown in FIG. The fourth embodiment shown in FIGS. 14 to 16 includes a magnetic recording head 24 in the back magazine 200 as in the third embodiment shown in FIGS.
3, and a light emitting element 244,
5 is connected to the contact connecting member 205.

The other points of the fourth embodiment shown in FIGS. 14 to 16 are the same as those of the second embodiment shown in FIGS. FIG. 17 is a perspective view showing another embodiment of the back magazine, and FIG. 18 is a cross-sectional view along the arrow XX of FIG. The back magazine shown in FIGS. 17 and 18 is a back magazine that can be directly attached to the camera body (see FIG. 7) in the second embodiment shown in FIGS. 7 to 9, but the film cartridge 300 has a large size. In the film cartridge, a long photographic film of which the number of photographed images is, for example, 200 is wound. Therefore, the large film cartridge 300
A large-sized cartridge loading chamber 201 is prepared so as to be able to load a long photo film, and a large-sized room is also prepared for the film take-up chamber 211 for winding a long photographic film. For this reason, the spool winding shaft 133 shown in FIG.
The spool coupling member 293 is connected to the spool coupling member 293 via an intermediate gear 292, and the spool coupling member 293 is fitted into the spool shaft coupling hole 303 to wind the spool shaft. The same applies to the film winding chamber 211 side. The film winding engagement shaft 135 on the camera body 100 side shown in FIG. 7 is connected to the film winding connecting member 294 on the back magazine side, and the intermediate gear 295 is connected. The film winding drive shaft 296 is connected to the film winding drive shaft 296 via the film winding drive shaft 296 so as to rotate the film winding shaft 212.

Further, the positions of the connection pins 121 provided on the camera body 100 shown in FIG. 7 and the contact patterns 304 on the upper surface of the long film cartridge loaded in the back magazine 200 shown in FIGS. 17 and 18 are different. Therefore, the back magazine 200 has an electrical connection between the contact connecting member 205A that is responsible for electrical connection with the contact pattern 304 on the upper surface of the long film cartridge and the connecting pin 121 provided on the camera body 100. Two contact connecting members with a contact connecting member 205B to be carried;
These two contact connecting members 205A and 205B are connected to each other by a wiring 297.

If the back magazine shown in FIGS. 17 and 18 is used, a long film cartridge can be used without replacing the camera body.
Note that the above-described various embodiments are merely examples, and the present invention can adopt various configurations in addition to the above-described various embodiments. For example, the light-shielding cover 225 may be a flat type light-shielding cover instead of a wound type and may be manually inserted and removed. The lock mechanism 110 is unlocked by manually inserting the light-shielding cover. Type. Further, the photographing lens 10
2 may be interchangeably mounted on the camera body.

In the above embodiment, a back magazine of the type using a film cartridge having an IC memory is provided with a contact pattern on the surface of the film cartridge, and the back magazine is electrically contacted with the contact pattern. However, a configuration may be adopted in which data is transmitted and received without contact between the film cartridge and the back magazine.

[0052]

As described above, according to the present invention,
It is possible to record various data related to shooting, and it is possible to change over to a different type of photo film in a short time without rewinding the photo film halfway, greatly reducing the possibility of missing a photo opportunity. Reduce. Further, according to the present invention, when using a long film cartridge, only the back magazine may be replaced, and the camera body may be used in common with the back magazine in which a standard type film cartridge is loaded. Not only is there a small burden on both the user side and the manufacturer side, and in actual photographing, a back magazine using a standard type film cartridge and a back magazine using a long film cartridge can be properly used.

[Brief description of the drawings]

FIG. 1 is a perspective view of a camera body constituting a camera according to a first embodiment of the present invention.

FIG. 2 is a perspective view of a back magazine detachably mounted on the camera body shown in FIG.

FIG. 3 shows the back magazine shown in FIG.
It is sectional drawing shown along.

FIG. 4 is a perspective view of a lock mechanism.

FIG. 5 is a plan view for explaining the operation of the lock mechanism shown in FIG. 4;

FIG. 6 is a plan view for explaining the operation of the lock mechanism shown in FIG. 4;

FIG. 7 is a perspective view of a camera body constituting a camera according to a second embodiment of the present invention.

8 is a perspective view of a back magazine detachably mounted on the camera body shown in FIG. 7;

FIG. 9 shows the back magazine shown in FIG.
It is sectional drawing shown along.

FIG. 10 is a perspective view of a camera body constituting a camera according to a third embodiment of the present invention.

11 is a perspective view of a back magazine detachably mounted on the camera body shown in FIG. 10;

FIG. 12 is a cross-sectional view showing the back magazine shown in FIG. 11 along an arrow XX in FIG. 11;

FIG. 13 is a schematic diagram showing the structure of a film cartridge and a photo film housed in the film cartridge.

FIG. 14 is a perspective view of a camera body constituting a camera according to a fourth embodiment of the present invention.

15 is a perspective view of a back magazine detachably mounted to the camera body shown in FIG.

16 is a cross-sectional view showing the back magazine shown in FIG. 15 along the arrow XX in FIG.

FIG. 17 is a perspective view showing another embodiment of the back magazine.

FIG. 18 is a sectional view taken along arrows XX in FIG. 17;

[Explanation of symbols]

 Reference Signs List 10 photo film 11 magnetic recording track 12 optical recording part 13 perforation 100 camera body 101 photographing lens 110 lock mechanism 111 lock claw 112 lock knob 113, 114 contact 115, 116 contact pin 119 armature 121 connection pin 122 wiring 123 control circuit 131 Film feed drive motor 132 Reduction gear train 133 Spool winding shaft 134 Reduction gear train 135 Film take-up engagement shaft 141 Light shielding cover opening / closing drive motor 142 Light shielding cover opening / closing shaft 161 Photocoupler 162 Photocoupler 200 Back magazine 201 Cartridge loading chamber 202 Cartridge lid 203 Chamber door opening / closing member 204 Spool engagement connecting member 205 Contact connecting member 205a Contact pin 205b Upper surface 211 Film winding Chamber 212 Film winding shaft 213 Film winding connecting member 221 Film passage 222 Opening frame 222a Opening 223 Press plate spring 224 Pressure plate 225 Light shielding cover 226 Light shielding cover passage 227 Light shielding cover winding shaft 228 Light shielding cover opening / closing operation connecting member 231 Back plate 232 Lock Claw hole 243 Magnetic recording head 244 Light emitting element 245 Wiring 251 Groove 300 Film cartridge 301 Chamber door opening / closing shaft engaging hole 302 Film entrance / exit 303 Spool shaft engaging hole 304 Contact pattern

──────────────────────────────────────────────────続 き Continued on front page (51) Int.Cl. ⁶ Identification code FI G03C 3/00 599 G03C 3/00 599B

Claims (14)

[Claims] 1. A camera body to which a photographing lens is fixed or interchangeably mounted, and a film cartridge containing a photographic film are loaded, and fed from the film cartridge in cooperation with the camera body. A back magazine removably mounted on the camera body for photographing with photographing light passing through the photographing lens on the photographic film, wherein the back magazine is housed in the film cartridge itself or a film cartridge. A film cartridge comprising a recording medium in which data is recorded by means different from the photographing by the photographing light, wherein the camera main body comprises a photograph film in the back magazine. A driving force generating section for generating a driving force for feeding A data generating unit that generates data to be recorded on a recording medium in the gin, wherein the back magazine receives a driving force obtained by the driving force generating unit, and feeds a photographic film. And a data receiving unit for receiving the data generated by the data generating unit. 2. A photograph sent out from a film cartridge loaded in the cartridge loading chamber, wherein the back magazine is arranged in a cartridge loading chamber in which a film cartridge is loaded, and is arranged right and left at a predetermined interval from the cartridge loading chamber. A film take-up chamber for taking up and storing the film, and an opening formed between the cartridge loading chamber and the film take-up chamber for allowing photographic light passing through the photographic lens to enter the photographic film. A film passage, a light-shielding cover passage in which a light-shielding cover for shielding the opening from light advances and retreats, a photo film in a film cartridge loaded in the cartridge loading chamber is sent out, and the fed-out photo film is rewound into the film cartridge. Feed mechanism for the cartridge, and a film in the cartridge loading chamber. A film winding mechanism for winding a photographic film sent from a film cartridge through the film path into the film winding chamber; and a contact for receiving data recorded on the recording medium from the camera body. The camera according to claim 1, wherein: 3. The back magazine, wherein a film cartridge having a contact on an outer surface of the film cartridge for receiving data to be recorded on the recording medium is loaded into the cartridge loading chamber, wherein the back magazine comprises: A second cartridge is provided inside the cartridge loading chamber, which is in contact with a contact on the outer surface of the film cartridge loaded in the cartridge loading chamber and is electrically connected to a contact for receiving data recorded on the recording medium from the camera body. 3. The camera according to claim 2, further comprising: 4. The cartridge according to claim 1, wherein the back magazine has a cartridge lid at a bottom of the cartridge loading chamber for loading a film cartridge into the cartridge loading chamber and taking out a film cartridge from the cartridge loading chamber. 3. The camera according to claim 2, wherein: 5. The camera according to claim 1, further comprising a light blocking unit that blocks a photographic film in the back magazine from external light when the back magazine is mounted on the camera body. 6. The camera body has a rib for guiding a back magazine when the camera is mounted, and the back magazine has a groove in which the rib is fitted, and light is shielded by fitting the rib with the groove. 6. A camera according to claim 5, wherein said means is constituted. 7. The camera according to claim 1, further comprising a lock mechanism for holding the back magazine mounted on the camera body in a mounted state. 8. The light-shielding cover according to claim 1, wherein the back magazine is provided with a windable and expandable light-shielding cover that is unfolded in the light-shielding cover passage and retracted and wound up from the light-shielding cover passage. Item 2. The camera according to Item 2. 9. The light-shielding cover, wherein the back magazine has a light-shielding cover opening / closing mechanism for expanding and retracting the light-shielding cover, and wherein the camera body generates a driving force transmitted to the light-shielding cover opening / closing mechanism. The camera according to claim 8, further comprising a driving unit. 10. The camera according to claim 1, further comprising a magazine attaching / detaching structure for attaching / detaching the back magazine to / from the camera body by moving the back magazine vertically with respect to the camera body. 11. A magazine attaching / detaching mechanism for attaching / detaching the back magazine to / from the camera body by moving the back magazine relative to the camera body in the optical axis direction of the photographing lens. The camera according to 1. 12. A long film cartridge containing a longer photographic film than the photographic film stored in the film cartridge is loaded, and is mounted on the camera body so as to be exchangeable with the back magazine. A long film back magazine for performing photographing with photographing light passing through the photographing lens on a photographic film fed from the long film cartridge in cooperation with a camera body unit. The camera according to 1. 13. The long film back magazine is a recording medium in which data is recorded on the long film cartridge itself or on a photographic film stored in the long film cartridge by means different from photographing by the photographing light. Wherein the back film magazine for long film receives a driving force obtained by the driving force generation unit provided in the camera body, and the photographic film 13. The camera according to claim 12, further comprising: a film feeding unit that feeds the image data; and a data receiving unit that receives data generated by the data generating unit provided in the camera body. 14. A film cartridge accommodating a photographic film is loaded, and is detachably mounted on a camera main body to which a photographic lens is fixed or exchangeably mounted, and cooperates with the camera main body to form the film. A back magazine for performing photographing on the photographic film fed from the cartridge by the photographing light through the photographing lens, wherein the back magazine includes a film cartridge itself or a photographic film housed in the film cartridge,
A film cartridge comprising a recording medium on which data is recorded by means different from the photographing by the photographing light is loaded, and a photographic film is fed by receiving a driving force transmitted from the camera body. A back magazine comprising: a film feeding unit for receiving the data; and a data receiving unit for receiving data recorded on the recording medium and generated by the camera body.