JP3411860B2 - Camera that can imprint data - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a camera for manually winding a roll film such as a brownie film, and more particularly to a camera provided with a data imprinting means for imprinting various data such as photographing data on the film.

[0002]

2. Description of the Related Art In a conventional Brownie film used in a medium format camera, a belt-shaped film is wound around a spool. At the time of photographing, the film is wound up on another spool which is preloaded in the camera. Has been. By the way, conventionally, data such as shutter speed and aperture at the time of shooting has been imprinted on a part of the film, for example, a position outside the shooting frame of a shot image shot on the film. There is a method of imprinting the data instantly and a method of imprinting while scanning the data in synchronization with the movement of the film at the time of winding the film. The former method of instantly imprinting is not effective for a film having a backing sheet that does not transmit light, such as a brownie film, since it imprints from the back side of the film by providing an imprinting device on the back side of the film. . in this case,
It is possible to imprint data from the photosensitive surface side of the film instantly, but since this kind of imprinting device is large, it is actually necessary to arrange such imprinting device near the aperture of the camera. Is impossible.

Therefore, for brownie film,
The latter scanning method is used, and the dot pattern method is used as a means for imprinting the data. In this dot pattern method, a plurality of light-emitting dots (light-emitting diodes) arranged in the outer area of the film shooting screen are arranged as an example in a direction perpendicular to the film transfer direction. By selectively emitting light in synchronization with winding, scanning exposure is performed on the film, and target data is imprinted. In this case, the selective emission of the emission dots is controlled in synchronization with the pulse signal generated by detecting the film transfer. For example, in FIG.
As shown in (a), “1/500 F2.8 +0.
When the 16-character data X including a blank, which consists of a set of shutter speed, aperture value, exposure correction value, etc. of 5 ”, is imprinted on the outer area of the photographing screen of one frame of the film F, FIG.
When the film is transported rightward in the drawing, as shown in (b) the row of light-emitting dots having the aperture value of “F2.8”, the film moves in the order from the right end of the drawing to the left in the drawing. , Among the seven light-emitting dots D0 to D6 indicated by □, the light-emitting dots indicated by black ■ are made to emit light in synchronism with the transfer of the film, and the dot pattern of FIG. Is imprinted. As a result, as shown in FIG. 7 (a), “1/500 F
2.8 +0.5 ”data will be imprinted.

[0004]

As described above, conventionally, as the film is wound up, the light-emitting dots are selectively and sequentially light-emitted to imprint the dod pattern of the desired data. In this imprinting method, since the data is imprinted in synchronism with the pulse signal generated in synchronism with the film transport at the time of film winding as described above, the motor that winds the film at a constant speed. Although it is effective in a film-winding type camera, in the case of a film-winding system in which the film is manually wound, the data may not be properly imprinted because the film winding speed is not constant. Especially, when the film is wound by manually rotating the film winding lever in small steps, the film transfer speed is intermittently and rapidly changed in association with the operation of the film winding lever. And the pulse signal from the pulse generator does not correspond. Therefore, for example, when the film is suddenly transferred, the pulse generator generates a plurality of pulse signals due to inertial force, and immediately after that, when the film suddenly stops, immediately after the film is stopped. The imprinting with the pulse signal may be performed, and the dot pattern may be imprinted in a state where the dot pattern is overlapped on the same portion of the film. When the dot patterns are overlapped, the target data is correctly imprinted. Can't do it.

For example, as shown in FIG. 8 (a),
Taking the case of emitting “8” of “F2.8” as an example, each emission dot is generated by seven timing signals generated within a half cycle of a film pulse generated in synchronization with the film transfer. D0 to D6 emit light sequentially and each dot row is exposed on the film in the film transfer direction, so that correct data is imprinted. However, when the film transfer is suddenly stopped during the manual winding of the film, the light emitting dots are sequentially emitted as described above by the film pulse generated by the film transfer until then, while the film is stopped. As a result, the seven light-emitting dots D0 to D7 are imprinted in a state of being overlapped on the same portion of the film, and as a result, the dot pattern of "1" is imprinted as shown in FIG. 8 (b). It will be crowded.

An object of the present invention is to realize the imprinting of photographed data on the film in a camera for manually winding the film, and to imprint the data again when proper imprinting of the data cannot be performed. An object of the present invention is to provide a data imprinting device that has a high probability of being executed and imprinting proper data.

[0007]

SUMMARY OF THE INVENTION According to the present invention, a film winding means for manually winding a film loaded in a camera body, a data imprinting means for imprinting data on the film, and the film winding means. And a control means for driving the data imprinting means in synchronism with the transfer of the film wound up by the film, the data imprinting means comprising a plurality of light emitting dots arranged in a direction orthogonal to the film transport direction. A plurality of light emitting dots are selectively and sequentially emitted in synchronization with the film transfer to expose a dot pattern for displaying data on the film, and further, in synchronization with the film transfer. A roller unit driven by a roller, a pulse generator that generates a pulse signal by the rotation of the roller unit, and a light emission unit. A timer for periodically outputting a timer signal for emitting light, the control means detects an edge of the pulse signal output from the pulse generator, and detects the edge of the pulse signal between the characters of the data. At the delimiter timing, the light emitting dots are made to emit a predetermined number of times between the edges of the pulse signal by the timer signal, and the data imprinting means is driven for one frame of the photographing screen photographed on the film to obtain the same photographing data. More than once
When it is possible to imprint and the edge of the pulse signal is not detected a predetermined number of times within a preset time.
Imprinting of the data is determined to be unsuitable for the a
The same data is imprinted again .

In the camera of the present invention, the data is imprinted on the film at the same time when the film is manually wound, and it is judged from the film winding state at that time whether or not the photographed data is imprinted correctly. .
Then, when the proper data imprinting cannot be performed, the imprinting of the data is performed again. As a result, it is possible to increase the probability of imprinting proper data as compared with the conventional technique, and it is possible to embody data imprinting on a film in a manual film winding type camera. In particular, when determining whether the data has been imprinted correctly, imprinting of data when the edge of the pulse signal as a delimiter timing between the data characters is not detected a predetermined number of times during a preset time by determining that it is unsuitable, it is possible to determine the write unsuitable data correctly, then Oite identical shooting data
Since it is possible to imprint multiple times, it becomes possible to imprint proper data by imprinting data again.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, embodiments of the present invention will be described with reference to the drawings. FIG. 1 is an external view of an embodiment in which the present invention is applied to a medium format camera using a Brownie film. A photographing lens 12 is attached to the front of the camera 11,
A release button 13 as a release switch, a main switch 14 for turning the camera power on and off, and an LCD display unit 15 are provided on the top surface of the camera. Further, on a part of the upper surface, a film winding lever 19 for manually winding the film by one frame is axially supported at its base end portion. Further, a back cover 16 is connected to the back surface by a hinge 17, and the back cover 16 is opened to replace the film in the camera 11. Further, a back cover switch 18 for detecting the open / closed state of the back cover 16 is provided. The film is spool 2
Film 4 wrapped around a belt and held on a strip-shaped backing paper 3
The Brownie film 1 constituted by is usable. FIG. 2 is a view showing the structure of the camera body 20 of the camera 11, in which an aperture 21 serving as a photographing frame is opened at a substantially central position on the back surface of the camera body.
An outer rail 22 and an inner rail 23, which are paired with each other in the film moving direction, are provided above and below the film 1. Also,
At the central position in the film transfer direction between the outer rail 22 and the inner rail 23 below the aperture 21, the outer region of the photographic screen of the film is exposed with the photographic data including the shutter speed, the aperture, and the exposure correction value. A data light emitting unit 24 for imprinting the image is provided.

A first spool chamber 30 and a second spool chamber 40 are formed on both sides of the camera body 20 that sandwich the aperture 21, respectively.
0 upper and lower bottom surfaces are provided with upper and lower support shafts 31 and 32 for pivotally supporting the spool 2, and the upper bottom surface of the second spool chamber 40 is a rotation shaft engaged with the spool 2. 41, and a support shaft 42 on the lower bottom surface. The brownie film 1 is loaded into the first spool chamber 30,
In addition, it is configured to be wound up toward the second spool chamber 40. Further, at a position adjacent to the aperture 21 on the side of the second spool chamber 40, a friction roller 25 which is frictionally brought into contact with the film and is rotationally driven by winding the film is disposed.
A pulse generator 26 is connected to the friction roller 25. The pulse generator 26 is provided integrally with the rotary shaft of the friction roller 25, and has a rotary disc 27 in which microscopic holes are arranged in the circumferential direction, and the rotary disc 2
7 and a photo interrupter 28 disposed at a position sandwiching 7 between the rotary disc 2 and the friction roller 25.
When 7 rotates, the photo interrupter 28 generates a film pulse at a timing that follows the rotation cycle of the minute holes.

A film winding mechanism 50 is incorporated so as to face the second spool chamber 40 of the camera body 20. That is, a gear 51 is integrally attached to the upper end of the rotary shaft 41 provided in the second spool chamber 40 and engaged with the spool 2 of the Brownie film in the rotational direction. A plurality of speed increasing gear trains 52, here four gears 52a to 52d, are meshed with the gear 51, and the gear 52a on the front end side of the speed increasing gear train 52 is integrated with the film winding lever 19. Is formed in. Accordingly, when the film winding lever 19 is rotated by a required angle, the rotation amount of the film winding lever 19 is transmitted from the gear 52a of the speed increasing gear train 52 to the gear train 52d, and the second spool chamber 40 is further rotated. The film 1 transmitted to the rotary shaft 41 of the film 1 and loaded in the first spool chamber 30.
Wind up one frame. An electromagnetic clutch 53 is attached to an intermediate gear 52c of the speed-up gear train 52, and a connection / disconnection state is controlled by a CPU 60, which will be described later, and the film winding lever 19 is controlled only in a connection state.
Is transmitted to the rotating shaft 41. Therefore, when the film is wound by one frame, by disconnecting the electromagnetic clutch 53, the transmission between the film winding lever 19 and the rotating shaft 41 is cut off, and the film winding lever 19 becomes free. Even if the film winding lever 19 is operated as described above, the film is not wound up. Further, at a part of the inner wall of the second spool chamber 40, a film pressing roller 43 for elastically contacting the outer surface of the film wound on the spool 2 in the radial direction to prevent the film from loosening is disposed. Has been done.

The data light emitting section 24 is provided with a light emitting element 7 as shown in FIGS. 3 (a) and 3 (b).
A light emitting element 71 having a plurality of light emitting diodes (LEDs) D0 to D6 arranged in a straight line and a prism 72 having an incident surface opposed to a light emitting surface of the light emitting element 71 are provided.
The data light emitting portion 24 is provided at the right end portion in the figure between the outer rail 22 and the inner rail 23 below the aperture 21 and has a slit shape along the direction perpendicular to the film transfer direction. It is installed inside the camera body 20 that faces the minute window 24a. Further, the prism 72 is configured to transmit and reflect the light emitted by the light emitting element 71 through the prism 72 and expose the film through the minute window 24a. The exit surface 72a of the prism 72 is formed in a convex shape to give a converging property to the exit light. Therefore, the seven LEDs of the light emitting element 71 are arranged in the minute window 24a in the film transfer direction. An image is formed as seven light emitting dots arranged in a line in a direction perpendicular to each other.

FIG. 4 is a block diagram showing a circuit configuration of an electronic circuit unit arranged in the camera body. The main switch 14, the release switch 13,
ON / OFF information of each switch of the back cover switch 18 is input to the CPU 60 operated by the built-in ROM 65.
Further, a pulse generator 26 driven by a friction roller 25 which is rotated as the film is wound up.
The film pulse from is also input to the CPU 60.
An EEPROM 61 is connected to the CPU 60, and a data table to be imprinted on the film is stored in the EEPROM 61 in advance. The imprinted data stored in this data table is the same as shown in FIG. 8 when the seven light emitting diodes D0 to D6 shown in FIG. 3 are made to emit light 7 times along the film transfer direction.
This is dot pattern data for imprinting character data as a 7 × 7 dot matrix configuration. Here, in the data, the seven light-emission dots of the data light-emission unit 24 are divided into three and four blocks, the dot emitted in each block is "1", and the dot not emitted is "0". The data is encoded in hexadecimal.

Further, here, as shown in FIG.
Shutter speed, aperture value, and exposure compensation value data are 7 characters (6 characters data and 1 character space), 5 characters (4 characters data and 1 character space), and 4 characters block Stored as a dot pattern. Then, the CPU 60 takes in the respective data at the time of photographing, reads the dot pattern corresponding to the respective data from the data table, detects the edge of the film pulse generated by the pulse generator 26, and drives by this edge. The light emitting diodes D0 to D6 are configured to sequentially emit light in synchronization with the counting operation of the timer. The CPU 60 includes a photometric circuit 62 for performing a photographing operation on the brownie film,
Although the shutter drive circuit 63 and the diaphragm drive circuit 64 are connected, detailed description thereof is omitted here. Further, the electromagnetic clutch 53 of the film winding mechanism 50 described above is connected.

The photographing operation of the camera having the above structure
In particular, the data imprinting control in the CPU 60 and the operations of the pulse generator 26 and the data light emitting unit 24 associated therewith will be mainly described. FIG. 5 is a flowchart showing the flow of the film winding process S100. First, based on the film sensitivity that is manually or automatically set in the camera, the light emitting time for the light emitting diodes D0 to D6 of the data light emitting unit 24 to imprint the data with an appropriate exposure amount, that is, the data imprinting time is set. Set (Step S10
1). Then, when shooting on film,
Each data of shutter speed (Tv), aperture value (Av), exposure correction value (Xv) is taken in, and the dot pattern corresponding to these data is read from the EEPROM 61,
It is held in a register (not shown) (S102).

Then, the CPU 60 measures the time 2
Start the software timer of 50 μS cycle (S10
3). Then, step S104 is passed until the edge of the film pulse is detected, and the film winding lever 1
9 is operated to wind up the film 1, the film 1 is transported, the friction roller 25 is rotated, and when the film pulse is generated from the pulse generator 26 accordingly, the edge of the film pulse (first rising edge) Is detected (S105). When the edge of this film pulse is detected, "1" is displayed on the film pulse counter.
(S106), since 48 edges have not been counted at this time, the process passes through step S107, waits for permission to imprint data (S108), and determines a light emission NG flag to be described later. It is judged whether or not it is a failure NG (S109), and if it is not NG, the imprinting start waiting process is started (S200). The imprinting start waiting process S200 has little relation to the present invention, and thus the description thereof is omitted here.

Next, when the film is transferred to a predetermined position, a data imprinting process S300, which will be described in detail later, is performed.
Move to. In this data imprinting process S300, as shown in FIG. 8A, the correlation between the light emitting dots of the imprinting data of "F2.8" and the timing thereof, as shown in FIG. 8A, is a 250 μS timer counted within a half cycle of the film pulse. The light emitting diodes D0 to D6 of the data light emitting unit 25 perform one exposure (one row), that is, one exposure row of the light emitting dots of the data to be imprinted, according to the timing generated in step S4. 2 above
The 50 μS timer is a timer for giving a timing when the light emitting dots are exposed once (one row), and
After 0 μS has passed and one exposure has been performed (S11
0) "1" is added to the count number of the 2-second software timer that measures 2 seconds (S111), and then the process returns to step S103. While repeating this, every time the edge of the next film pulse is detected, "1" is added to the film pulse counter (S106), and the data imprinting process S300 is repeated.

FIG. 6 is a flowchart showing the operation of the data imprinting process S300. In the data imprinting process S300, it is determined whether or not the data imprinting is initialized (initialization), that is, whether it is the first data imprinting on the shooting frame (S301). Sets the emission completion flag to "0"
(S302), and the dot number counter is set to “0” (S302)
303) and the character number counter is set to "0" (S30).
4). Further, the normal imprinting flag is set to "1" (S305). Then, the normal imprinting flag is checked (S306), and when it is determined that the normal imprinting flag is "0", which is not normal, a Tv section NG flag, an Av section NG flag, and an Xv section NG flag, which will be described later, are set. State (Fig. 5
Based on steps S124, S126, S127), the flow for confirming the light emitting state in each part of Tv, Av, Xv is executed. That is, the first data T
The light emission of v is judged (S307), and the light emission of Tv is O.
When it is K, the light emission of Av is determined (S30
8) If the emission of Av is OK, the emission of Xv is determined (S309). If all the light emission is OK,
The process returns to the winding process S100. If the light emission is NG in any of the above, the first light emission NG flag is set to "1".
(S316). Further, in step S306, when the normal imprinting flag is "1", it is determined that the normal imprinting is in progress, and the process proceeds to the next flow without confirming the light emission state of each part of Tv, Av, and Xv. .

That is, it is determined that the previous light emission is not in progress (S318), the light emission completion flag is not "1" (S320), and it is the light emission timing (S321), and then the character number counter is determined. Yes (S32
2). In the case of the previous light emission, the light emitting diode for imprinting is turned off to avoid the next imprinting (S3).
19). Then, it is determined that the character number counter is "0" to "6" (S322), the Tv data is read from the data table of the EEPROM 61, and the data emitting unit 2 is read.
Data is set in each of the light emitting diodes D0 to D6 of No. 4 (S323), and then "1" is added to the dot number counter (S327). Then, after confirming that the value of the dot number counter is "7", that is, not for one character (S328), the light emitting diodes D0 to D6 are caused to emit light at step S331, and the data of one row of dots for the film 1 is obtained. To imprint. Next, since the character number counter has not reached "16" (S332),
The flow from step S301 will be executed again.

In the second and subsequent flows, it is not necessary to initialize the imprinting in step S301, and the process jumps from step S301 to step S306. Then, during the previous light emission of the Tv data, the light emission of the light emitting diodes D0 to D6 is stopped (S319), and then the above-described steps S320 to S331 are executed again, and the data of the second column of the same character as the previous data is obtained. Exposure. At this time, "1" is further added to the dot number counter (S327), and the dot number counter is set to "2". When the above flow is repeated and the exposure of the data of 7 columns for one character is completed, the dot number counter becomes "7". Therefore, in the next repetition, the dot number counter is reset to "0" in step S328. (S329),
It is assumed that "1" is added to the character counter and the imprinting of one character data is completed (S330). Therefore, thereafter, the above flow is repeated until the imprinting of the 6-character Tv data and the 7-character Tv data including the 1-character space character is completed, and the imprinting of the 7 characters is completed. In step S330, the character number counter is set to "7", and in steps S322 and S324 of the next flow, it is determined that the flow is the next Av data imprinting flow, and E
The Av data is read from the data table of the EPROM 61 (S325). After that, the imprinting flow for the Av data is repeatedly executed in the same manner as the imprinting of the Tv data.

When the imprinting of the Av data of 5 characters including the Av data of 4 characters and the blank character of 1 character is completed, the character counter is set to "12" in step S330. Then, in steps S322, S324, and S326 in the next iterative flow, Xv
It is determined that the flow is a data imprinting process, and the Xv data is read from the data table. Then, after that, the imprinting flow for the Xv data is similarly repeated.
Then, when the imprinting of the four characters of the Xv data is completed, the character counter becomes “16”, so Tv, Av,
Assuming that all the Xv data has been copied, the light emission completion flag is set to "1" (S333), and both the first light emission NG flag and the second light emission NG flag, which will be described in detail later, are cleared to "0" ( S334).

Here, the light emission determination step S30
In S7, S308, and S309, each light emission is O
If it is not K, it is assumed that the light emission is NG, and Tv, Av,
Whether or not each NG is the second time is determined by whether or not each NG flag of Xv is "1" (S31).
0, S312, S314). When the first-time light emission NG flag is "0" and the NG is not the second time, the character number counter is in a state before light emission, that is, in the case of Tv, the character number counter is set to "0" (S311), and in the case of Av, the character number counter is changed. The value is set to "7" (S313), the character number counter is set to "12" in the case of Xv (S315), and the first light emission NG flag is set to "1" in step S316 as described above. In addition, steps S310 and S31
2, the NG flag of each part is “1” according to the determination in S314.
When the NG is the second time, the second light emission NG flag is set to "1" (S317), and the process returns to the film winding process S100.

As described above, the data imprinting process S30
In the flow of returning to the film winding process S100 of FIG. 5 after the end of 0, when the 250 μS timer started in step S103 after the edge detection counts 2 seconds, the flow is still repeated (S10).
4) It is determined that all the target data are not imprinted properly, and the normal imprinting flag is set to "0" (S12).
1) The winding NG flow (S122) is entered. In this winding NG flow, if the imprinted data in the current flow is Tv (S123), Tv
The copy NG flag is set to "1" (S124). If the current imprinted data is Av (S125),
The Av section NG flag is set to "1" (S126). Furthermore, if the current imprinted data is neither Tv nor Av, that is, if it is Xv, the Xv portion NG flag is set to "1" (S127). Then, the winding NG process is ended.

Further, in the above flow, step S1
In 09, the imprinting NG flag is determined, and when the first light emission NG flag is "1" and the second light emission NG flag is "0", the process proceeds to the data imprinting process S300 again. On the other hand, when the second light emission NG flag is "1" and it is determined that the data imprinting is two consecutive NGs, the data imprinting process S300 is not performed thereafter, and the data imprinting is abandoned. The number of times of such re-imprinting processing of the same data can be increased as much as possible, but considering the size of the imprinting and the amount of data, it is optimal to be about twice.

When 48 film pulse edges corresponding to the length of one frame of film photographing are detected (S
In 107), the data imprinting process S300 is terminated,
It is confirmed whether the number of frames of the film is the last frame (S12
8) In the case of the last frame, the film is completely wound up on the spool in the second spool chamber and the film winding process is executed (S130). On the other hand, if it is not the final frame, the film magnet is latched (S129), the shutter is charged (S131), 1 is added to the film counter (S132), and the film winding process is completed.

As described above, in a camera which manually winds a film, the filming data is imprinted on the film at the same time when the film is wound, and the imaging data is imprinted correctly from the film winding state at that time. It is determined whether or not the proper image data cannot be imprinted, and by imprinting the image data again, it is possible to increase the probability of imprinting the appropriate image data as compared with the conventional method. Therefore, it is possible to realize the transfer of the shooting data onto the film in the manual film winding type camera. That is,
If the film is improperly wound and the photographed data is recorded in an incorrect state as shown in FIG. 8B,
This can be immediately determined, and the photographing data is imprinted again at the adjacent position on the opposite side to the film transport direction of the photographing data shown in FIG. 7A, and the probability of imprinting proper photographing data is improved. To be done. However, even when the imprinting is performed again, if the imprinting of the preferable photographing data cannot be realized, further imprinting is not performed.

In the above embodiment, the case where one character (including a special character) is represented by 7 × 7 light emitting dot terminals has been described, but the number of dots is not limited to this. Further, the data to be photographed is not limited to the photographed data as in the above-described embodiment, and the present invention is similarly applied to the case where the photographer sets arbitrary data in the camera and the data is recorded on the film. can do. Further, in a camera using a film having a perforation for transferring the film, the problem as described above is less likely to occur because the film is usually automatically wound using a motor, but even in this case, the present invention can be applied. , It is possible to realize imprinting of data with higher probability.

[0028]

As described above, the present invention is a structure of data imprinting means for imprinting data onto a film in synchronism with the transfer of the film wound by the film winding means by manual operation, and is recorded on the film. Since the data imprinting operation can be performed multiple times on the shooting screen of one frame, it is possible to manually wind the film and simultaneously imprint the data onto the film, and at the same time, wind the film. It is determined from the state whether the data is correctly copied. Then, when the proper data imprinting cannot be performed, the imprinting of the data is performed again. As a result, it is possible to increase the probability of imprinting proper data as compared with the conventional technique, and it is possible to embody data imprinting on a film in a manual film winding type camera. In particular, when it is determined whether or not the data is correctly imprinted, the writing of data is performed when the edge of the pulse signal, which is the delimiter timing between the characters of the data, is not detected a predetermined number of times within a preset time. by judged unsuitable, it is possible to determine the imprinting unsuitable data correctly, double the Oite same imaging data thereafter
By enabling the imprinting several times, it becomes possible to imprint the proper data by imprinting the data again.

[Brief description of drawings]

FIG. 1 is an external view of a camera according to an embodiment of the present invention.

FIG. 2 is a perspective view showing a main part of the internal structure of the camera of FIG.

3A and 3B are a schematic perspective view and a cross-sectional view showing a configuration of a data light emitting unit.

FIG. 4 is a block circuit diagram of an electronic circuit unit.

FIG. 5 is a flowchart for explaining a film winding process of the camera of the present invention.

FIG. 6 is a flowchart for explaining a data imprinting process of the present invention.

FIG. 7 is a diagram showing a state in which shooting data is imprinted on a film and a dot pattern of the shooting data.

[Fig. 8] When the imprinting of the photographing data is properly performed,
It is a figure which compares and shows the dot pattern in the case of being improper.

[Explanation of symbols]

1 film 11 cameras 19 Film winding lever 24 Data emission part 25 Friction roller 26 pulse generator 30,40 spool room 50 Film winding mechanism 60 CPU 61 EEPROM 71 light emitting element

Continued front page       (56) References JP-A-8-313986 (JP, A)                 JP-A-3-278041 (JP, A)                 JP-A-5-165090 (JP, A)                 JP-A-4-73630 (JP, A)                 Japanese Patent Laid-Open No. 10-115865 (JP, A)                 JP-A-7-270875 (JP, A)

Claims (2)

(57) [Claims] 1. A film winding means for manually winding a film loaded in a camera body, a data recording means for recording data on the film, and a transfer of the film wound by the film winding means. And a control means for driving the data imprinting means in synchronism with each other, wherein the data imprinting means comprises a plurality of light emitting dots arranged in a direction orthogonal to a transport direction of the film. The plurality of light-emitting dots are selectively and sequentially emitted to expose a dot pattern displaying the data on the film, and the dot pattern is driven in synchronization with the transfer of the film. Rotating roller means, a pulse generator for generating a pulse signal by rotation of the roller means, and And a timer that periodically outputs a timer signal for causing the light emitting dots to emit light, the control means detects an edge of the pulse signal output from the pulse generator, and detects the edge of the pulse signal of the data. At the timing of separating characters, the light emitting dot is made to emit a predetermined number of times by the timer signal between the edges of the pulse signal, and the film is photographed 1
Drive the data imprinting means on the frame shooting screen
It is possible to copy the same shooting data multiple times,
The edge of the pulse signal is located during a preset time.
When a certain number of times is not detected, the imprint of the data is
It is judged to be unsuitable, and the same data as above is imprinted.
A camera capable of imprinting data, characterized by being re-executed . 2. The data to be imprinted includes shutter speed, aperture value, exposure correction value, photographing lens focal length, and
The camera capable of imprinting data according to claim 1, wherein the camera is at least one of photographing date and time.