JPH05265089A - Photographic film camera and photographic film - Google Patents

Abstract

PURPOSE:To provide a photographic film camera capable of photographing photographs having various desired frame sizes on the same photographic film. CONSTITUTION:The camera is provided with a detecting means 5a installed in a black box 4 for the photographic film camera and for detecting the feeding of the photographic film 1, a film controlling mechanism 9 for controlling the movement extent of the photographic film 1 based on a signal detected by the detecting means 5a and for feeding the photographic film 1 in accordance with the width of an exposure aperture part 7 for the black box 4 in a film feeding direction and a signal recording device 12 installed so as to be adjacent to the exposure aperture 7 in the film width direction and for recording a signal showing the aperture position on the photographic film 1 in accordance with the exposure control to the exposure aperture 7.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a photographic film camera capable of taking a picture of a desired frame size as necessary and a photographic film suitable for use in the photographic film camera.

[0002]

2. Description of the Related Art The current 35 mm film (system 135) for general photography has JIS and IO sizes.
It is regulated by S etc.

FIG. 18 shows a part of the specified size (the allowable error is omitted). The width of the photographic film 1 is 35 mm, the interval between the film feeding perforations 2 is 25 mm, and the pitch of the perforations 2 is 25 mm. Is 4.75 mm. Then, with respect to such a photographic film 1, a frame 3 is formed in a rectangular shape having a size of 24 mm in the width direction of the photographic film 1 and 36 mm in the length direction, and the pitch of the frame 3 is perforated. 38mm which is 8 times that of the pitch of 2
It is said that.

By the way, previously, JP-A-2-64621, JP-A-2-64622, and JP-A-2-6753 are mentioned.
35 mm photographic film,
It has been proposed to eliminate the conventionally used sprocket holes formed at both ends of the sprocket holes so that the effective photographing area is about 30 mm in the width direction of the film and the effective use amount of the film is increased.

In other words, in photographic film cameras, computerization has progressed, and drive control by a motor can be performed with a considerable degree of accuracy. Even without using a large sprocket and perforation 2 as in the past, the film can be provided with sufficient accuracy. It was confirmed by an experiment that the drive of the can be performed.

Therefore, the perforation 2 is removed from the photographic film 1 having a width of 35 mm, and the length of the frame in the film width direction is expanded to the position where the perforation 2 was located. That is, by doing so, the effective effective photographing area can be enlarged by about 40%, and therefore the image quality can be improved accordingly.

Therefore, as shown in FIG. 19A, the width of the film 1 is set to 35 mm, which is equal to the current film width, and no perforation is provided. The length in the film width direction and the length in the film length direction of the frame 3, which is the effective shooting area, are set to 30 mm and 40 mm.

Further, the pitch of the tops 3, that is, the feed pitch of the film 1 is, for example, 42.0 mm. However, the size and pitch of this frame 3 correspond to those of the current TV broadcasting system.
Has an aspect ratio of 3: 4.

When dealing with HDTV (so-called high-definition), as shown in FIG. 19B, the size of the top 3 is 30 mm × 53.3 mm and the pitch is, for example, 57.75 mm. The aspect ratio is 9:16.

Further, the above numerical values are for full size, and for half size, as shown in FIGS. 19C and 19D, in the current television broadcasting system, the size of the frame 3 is 30 mm × 22.5 mm. , The pitch is 26.2, for example
mm, the size of top 3 is 30 mm x 1 for HDTV
The pitch is 6.9 mm and the pitch is, for example, 21.0 mm.

The film 1 having the above format is housed in a cartridge (cartridge) similar to the existing 35 mm film, which is not shown.

Further, since the length of the frame 3 in the film width direction is 30 mm, it is possible to obtain non-photographing areas of 2.5 mm between the frame 3 and both side edges of the film 1, respectively. It is possible to secure the flatness of the film 1 at the time of shooting, control the film 1, or read or write data. Further, since it is not necessary to provide a sprocket for feeding a film on the photographic film camera, the camera can be made smaller and lighter.

[0013]

SUMMARY OF THE INVENTION In view of the above problems, the present invention provides a photographic film camera capable of favorably shooting the above-mentioned various frame sizes as desired in the same photographic film. It is intended to provide a suitable photographic film by applying it to a photographic film camera.

[0014]

A photographic film camera of the present invention is provided in a dark box 4 of a photographic film camera as shown in FIGS. 1, 2, 3 and 4, and detects the feeding of the photographic film 1. Detection means 5a, 5b and this detection means 5
A signal detected by a and 5b controls the amount of movement of the photographic film 1, and the film control mechanism 8 for feeding the photographic film 1 corresponding to the width of the exposure opening 7 of the dark box 4 in the film feeding direction. , 9, 10 and the exposure opening 7
Signal recording devices 8, 11, 12 for providing a signal indicating the opening position on the photographic film 1 in accordance with the exposure control of the exposure opening 7 in the width direction of the film.
And have.

The photographic film camera of the present invention is shown in FIGS.
As shown in FIG. 5, film control means 8, 9, 10 for controlling the feeding of the photographic film 1 and the dark box 4 of the photographic film camera.
Aperture control means 8, 13, 14, for varying the width of the exposure aperture 7 of the dark box 4 in the feeding direction of the photographic film 1 therein.
15 and at least when the width of the exposure opening 7 is changed from small to large, the film control means 8,
9 and 10, the photographic film 1 is fed in a variable width.

The photographic film camera of the present invention is formed in a dark box 4 of the photographic film camera as shown in FIGS. 1, 2, 3 and 4, for example, and a cartridge storage section 17 for storing a photographic film cartridge 16 is provided. At the lower end of the photographic film camera, between the film storage unit 18 formed in the dark box 4 and storing the photographic film 1 taken out from the cartridge 16, and between the cartridge storage unit 17 and the film storage unit 18. , A film feed control device 8 for detecting a film position detecting hole 19 formed at one edge of the photographic film 1 and performing film feed control between the cartridge storage unit 17 and the film storage unit 18,
9 and 10.

Further, the photographic film of the present invention is formed, for example, as shown in FIG. 6 between the photographing effective area 20 of the photographic film 1 and the side of the film, and is a signal for recording a control signal used when developing and printing the photographic film 1. The recording unit 21 is included.

Further, the photographic film of the present invention has a small hole 19 for detecting the movement amount of the photographic film formed at the upper edge of the photographic film 1 between the photographing effective area 20 and the side of the film as shown in FIG. 6, for example. Is.

[0019]

According to the photographic film camera of the present invention, the width of the exposure opening 7 can be varied, and the feeding of the photographic film 1 is controlled in accordance with the opening width, so that the desired frame size (even if the frame size is different is used. 2) can be continuously photographed on the same photographic film 1.

Further, in the present invention, since the control signal used at the time of printing is recorded in the signal recording portion 21 of the photographic film, the photographic film of various frame sizes can be automatically and well printed.

[0021]

Embodiments of the photographic film camera and photographic film of the present invention will be described below with reference to the drawings. First,
The photographic film 1 used in this example will be described with reference to FIGS. 6, 7 and 8. FIGS. 6 and 7 show an example of the photographic film after the photographing is finished, and FIGS. 8A and 8B are before the photographing. An example of the photographic film of is shown.

In FIG. 8, numeral 16 indicates a cartridge, and the 35 mm photographic film 1 in the cartridge 16 is shown.
The upper part in the shooting direction when shooting the film of FIG.
9 has a predetermined pitch at the center position of 2.5 mm width from the side corresponding to the non-shooting area, for example, 5.25 mm pitch in the example of FIG. 6, 6.28 mm pitch in the example of FIG. The holes 19 are provided.

In this case, this film position detecting small hole 19
The film feed amount for each frame size is shown in the table below when the film is provided at 5.25 mm pitch and 6.28 mm pitch.

[0024]

FIG. 8A shows a film position detecting small hole 19 provided on the upper edge of the photographic film 1 when the image is taken, and the film leading edge processing step is deleted from the manufacturing process to reduce the cost. In FIG. 8B, a small hole 19 for detecting the film position is provided on the upper side edge of the photographic film 1 when it is photographed, and a tongue piece is provided on the lower part of the tip of the photographic film 1. In this case, when a photo coupler is used for position detection as described later, the film 1
The position of the small hole 19 for detecting the film position of the photographic film 1
This photographic film 1 when loaded into a photographic film camera
It is not necessary to manually insert the side edge portion of the device into the photocoupler for position detection, and it is automatically inserted into the photocoupler during winding by the mechanism.

Incidentally, the tongue piece at the tip of the photographic film 1 of this example is upside down from the position in a normal 35 mm photographic film.

Next, a photographic film camera according to this example is shown in FIG.
~ It demonstrates with reference to FIG. FIG. 1 is a rear view of the camera body of the photographic film camera according to the present embodiment, as shown in FIG. 2, with the rear lid removed. Reference numeral 4 denotes a dark box, which is the same as that conventionally used in the dark box 4. A cartridge storage section 17 for storing the cartridge 16 of FIG. 1, an exposure opening 7 for exposing the photographic film 1 from the cartridge storage section 17 with light from a lens, and a film storage section for storing the photographic film 1 after photographing. 18 and.

In this case, the photographic film 1 from the cartridge 16 stored in the cartridge storage portion 17 is restricted in the film width direction by the film guides 30 and 31 through the exposure opening 7 and moved to the film storage portion 18 after photographing. It is done as it is done.

The film storage section 18 is provided with a guide roller 32 for automatic film setting and a film sprawl 9 for winding the film 1.

The film sprawl 9 is driven by a motor 10 described later.

A small hole 19 for detecting the film position on the side edge of the photographic film 1 between the lower film guides 30 and 31.
An LED 5a for detecting the small hole 19 is provided at a portion corresponding to the above, and a photodetector 5b of, for example, 1.5φ is provided on the pressure plate of the rear lid corresponding to the LED 5a via the photographic film 1.

In this case, as the LED 5a, an infrared ray having a wavelength of 940 nm which is deviated from the photosensitive wavelength of the photographic film 1 is used. The output signal of the small hole detecting device 5 including the LED 5a and the photo detector 5b is supplied to a counter of a system controller 8 including a microcomputer so that the system controller 8 knows the position of the photographic film.

The LED 5a and the photodetector 5 are also provided.
Instead of b, a photocoupler in which an LED and a photodetector are arranged so as to face each other can be used.

The size of the exposure opening 7 is determined by a moving mask 15 arranged so as to extend from the left and right of the opening 7, and the size in the film feeding direction is, for example, as shown in FIG.
53.33 mm, 40.00 mm, 2
It can be changed to four types of 2.5 mm and 16.90 mm.

That is, as shown in FIGS. 3, 4 and 5, the left and right moving masks 15 are designed to be housed in the left and right side walls of the film opening 7, respectively, and A linear gear 33 is provided on the lower surface, and the moving mask 15 is linearly moved by the feed gear 34 of the gear box 35.

Reference numeral 6 denotes a frame size setting switch. When the frame size is changed by the moving mask 15, a command signal for the frame size determined by the frame size setting switch 6 is supplied to the system controller 8, which then A control signal for setting a desired frame size is supplied to the stepping motor 14 via the stepping motor drive circuit 13, and the stepping motor 1
The moving mask 15 is moved by 4 and the film position detection signal from the small hole detecting device 5 including the LED 5a and the photodetector 5b is arithmetically processed by the system controller 8 in accordance with the movement of the moving mask 15. The control signal obtained by
It is supplied to the motor 10 via the motor 10, and the motor 10 rotates the film spout 9 to feed the photographic film 1 for a predetermined length. By the above, the film feed control at the time of film photographing is performed.

The photographic film 1 is fed by an amount determined by the frame size setting switch 6, and here, when the small hole interval is 6.28 mm, the HDTV full size 30 mm × 53.3 mm and the NTSC full size 30 mm.
An example of mixed size photography of × 40 mm will be described with reference to FIG. 9.

FIG. 9A shows a case where NTSC full-size continuous shooting is performed, and by controlling the small holes 19 by 7 pitches, a shooting area of 30 mm × 40 mm can be secured.
When switching from the NTSC full size to the HDTV full size, the photographing area can be secured by feeding the small holes 19 by 8 pitches as shown in FIG. 9B. Also HDTV
When performing full-size continuous shooting, the shooting area 30 mm × 5
3.3 mm can be secured.

When the HDTV full size is switched to the NTSC full size, the small hole 19 is set to 8 as shown in FIG. 9D.
By sending the pitch, the shooting area can be secured.

Since this film frame size change is sent at the same time as film shooting, when the NTSC full size is switched to the HDTV full size with respect to the number of previously sent film pitches, the small hole 19 is first sent by 7 pitches. When the HDTV full size is switched to the NTSC full size, 9 pitches are fed first and then 1 pitch is returned.

Further, in this case, as shown in FIG. 9E, it is possible to mix the frames 3 of different sizes even if the film 1 is fed a little more when the frame size is changed.

FIGS. 6 and 7 show a photographic film 1 in which frames 3 of different sizes are recorded in the effective photographing area on the same film as described above, and in this example of FIG.
DTV full size (film width direction 30 mm x film feed direction 53.3 mm) and 3: 4 NTSC full size (film width direction 30 mm x film feed direction 40 m
m) and a small hole 1 provided at the upper edge of the film.
9 has an interval of 5.25 mm, and the example of FIG.
Is an example similar to the above in which the interval is 6.25 mm. This Figure 7
In the case of the example, the small holes 19 have 9 pitches for one frame of the HDTV full size, and the small holes 19 have 7 pitches for one frame of the NTSC full size. 19 can be arranged, and the center position of each frame 3 can be easily detected.

In FIGS. 1 and 4, reference numeral 37 denotes a shutter button. When the shutter button 37 is operated, the system controller 8 including a microcomputer controls exposure and a center mark indicating the center of the photographing frame 3 is displayed. A predetermined control signal is supplied to the mark recording circuit 38 for recording and the frame number recording circuit 39 for recording the frame number,
A center indicating the center of the frame 3 photographed as shown in FIGS. 6 and 7 using the LED 40 for recording the center mark and the LED 41 for recording the frame number provided on the film guides 30 and 31 below the camera body. Mark 40a and frame number 4
Record 1a on the top edge of the film.

At this time, the system controller 8 similarly supplies a control signal corresponding to the frame size to the frame size recording circuit 11 for recording the frame size provided on the film guides 30 and 31 under the camera body. LED 1
2 is used to record the size signal 12a of the frame 3 photographed as shown in FIGS.

The frame size recording LED 12 is composed of, for example, four element LEDs, and the frame size signal 12a of the frame size set by the frame size setting switch 6 is used.
Is recorded at the time of shooting. The frame size signal 12a is, for example, as shown in the table below.

[0046]

In this embodiment, a desired information signal is supplied to the information recording circuit 42 from the system controller 8 including the microcomputer at the same time when the film is photographed, and the film guides 30 and 31 are provided on the upper side of the camera body. The information recording LED 43 is used to record the information 43a on the lower side edge of the film as shown in FIGS.

As the information 43a, data information at the time of photographing from the lens and the camera body and data inputted by the photographer from the input device 44 provided on the outside of the rear lid of the camera body, for example, the photographing date, photographing. The amount of information that can be recorded is determined according to the frame size of the film, and the amount of information that can be recorded (the number of characters) is displayed on the display element 44a of the input device 44. In this case, the number of light emitting elements of the LED 43 for information recording is switched according to the frame size.

In this case, the following results were obtained when the convenience of the user and the psychological effect were examined with respect to the information recording position of the film and the position where the small hole 19 is provided.

(1) When the outer edge of the effective photographing area of the film is used as the information recording band of the photographer, it is more preferable to arrange the information recording position at the lower end side edge in the printing step after photographing.

(2) As a result of investigating the development and printing process at the film developing station, it is often seen that the film content information is printed on the film negative so that it is located at the upper edge of the print. It is preferable to avoid mixing with the information recording band by the photographer.

From this result, as shown in FIG. 8, it is preferable that the position detecting small hole 19 of the photographic film 1 is arranged so as to be located above the photographing direction during film photographing.

FIG. 10 shows the structure of an automatic printing machine (printer) used for printing the film 1 according to this embodiment after development. In FIG. 10, 45 is a paper supply reel for supplying a photographic printing paper 46, and 47 is a paper. A deck, 48 is a variable paper mask that determines the size of the printing paper to be printed, 49 is a paper pressing plate, 50 is a paper feed roller, and 51 is a paper take-up reel.

Further, 52 is a film supply reel for supplying the developed film 1, 53 is a film deck, 54 is a negative carrier variable slit, 55 is a negative pressing plate, 56 is a film feed roller, 57 is a film take-up reel, 5
8 is a lens, 59 is a bellows, 60 is a light source lamp, 61 is a black shutter, 62 is a filter (YMC), 63
Is the diffusion box.

In this example, the frame size signal 12a recorded on the film 1 is recorded at a predetermined position on the negative pressing plate 55.
A frame size sensor S ₁ for detecting the center mark and a frame center sensor S ₂ for detecting the center mark 40a indicating the center of the frame recorded on the film 1 are provided.

In this case, the frame center sensor S _{2 is used for the} frame 3
The center mark 40a of the film is detected and the film feed roller 56
Is controlled to align the center position of the frame with the center of the negative carrier variable slit 54. Also, this frame size sensor S ₁
The size of the variable paper mask 48 and the negative carrier variable slit 54 is controlled by the frame size signal 12a detected by.

When the frame size is, for example, an HDTV size, the negative carrier variable slit 54 is formed as shown in FIG. 11A and the variable shaper mask 48 is formed as shown in FIG. 12A. When the frame size is, for example, NTSC size, the negative carrier variable slit 54 is formed as shown in FIG. 11B and the variable paper mask 48 is formed as shown in FIG. 12B.

FIG. 13 shows a control device of this automatic printing machine. In FIG. 13, photo couplers are used as the frame size sensor S ₁ and the frame center sensor S ₂ .
Then, the frame size signal 12a and the center mark 40a recorded on the upper edge of the film 1 are detected.

The frame size of the frame 3 whose frame center position is determined by the frame center sensor S ₂ is the frame size sensor S ₁
The microcomputer 64 determines from the frame size signal read in advance by the microprocessor 64, and controls the mask size driving monitor M ₃ to control the variable paper mask 48 and the microprocessor 64 so as to match the film frame size. Thus, the negative carrier variable slit driving motor M ₂ is controlled to control the negative carrier variable slit 54.

Further, in this case, the film negative feed motor M ₁ is controlled in accordance with the frame size signal 12a of the film 1 read ahead to control the film feed roller 56 so that the film 1 is fed by a predetermined amount. The paper feed motor M ₄ is controlled to control the paper feed roller 50,
The printing paper 46 is fed by a predetermined amount.

FIG. 14 shows this developed photographic film 1.
Shows the relationship between the frame center sensor S ₂ and the frame size sensor S _1, and shows the frame size signal 1 in the feed direction of the film 1.
2a is detected by the frame size sensor S ₁ before positioning, and the film 1 is fed and the negative carrier variable slit 54
And the variable paper mask 48 are controlled, and the frame size signal 12a is arithmetically processed by the microprocessor 64, and when the frame center position of the frame 3 of the film 1 is set, this frame size is determined. It is a thing.

As shown in FIGS. 14A and 14B, on the film 1, at each frame position, a center mark 40a indicating the frame center position is recorded in the center, and in the film feeding direction,
The frame size signal 12a is recorded in the forward direction, and the frame number 41a of the film 1 is recorded in the rear direction of the center mark 40a.

In the above example, the frame center sensor S ₂
And the frame size sensor S ₁ are almost at the same position,
It is not necessary for them to be in the same position, and the frame center sensor S ₂
Only the center position of the negative carrier variable slit 54 and the variable paper mask 48 is sufficient for the frame size sensor S.
₁ may be arranged at the film entry position on the film deck 53.

FIG. 15 shows a flow chart of the microprocessor 64 for controlling the feeding of the developed film or negative film 1 and the photographic paper or print paper 46 and the control of the negative carrier variable slit 54 and variable paper mask 48. 1 driving the center mark 40a is made until it detects the frame center sensor S _2, the driving of the negative film 1 is stopped when the central mark 40a is detected by the frame center sensor S _2.
The negative film 1 until it is stopped, detecting the frame size signal 12a frame size sensor S ₁ is, for as counting the number.

When the frame size signal 12a is "3", the width of the negative carrier variable slit 54 is set to 38 mm, and the width of the variable paper mask 48 is set to 119 mm.
In addition, the print paper 46 is moved in response to this, and then printing is performed, and the process ends. In this case, the feeding of the print paper 46 is made up of the size of each printed frame, a margin part surrounding the printed frame, and a margin for cutting between each print frame (this cutting margin part is usually
A hole is formed at the same time as printing, and it becomes a position signal for automatic cutting at the time of paper cutting. ).

At this time, when the frame size signal 12a is "4", the width of the negative carrier variable slit 54 is set to 5
1 mm and the width of the variable paper mask 48 is 15
The length is set to 8 mm, the print paper 46 is moved in correspondence with this, and then baking is performed to finish.

When the frame size signal 12a is "1" or "2", the same operation as described above is performed.

Further, in this case, this frame size signal 12a
Since it is recorded on the upper edge of the film 1, it may be erroneously discriminated from the center mark 40a. However, as shown in FIG. 13, this negative feed amount is detected in association with the motor M ₁ of the negative feed mechanism. If a negative feed detector S ₃ is provided, the negative feed amount is counted by the counter 65, and the count value of the counter 65 is fed back to the microprocessor 64, the frame size signal on the film 1 is fed by the negative feed amount. The signal width of 12a can be detected, so that it is possible to determine whether the frame size signal 12a is the center mark 40a or the frame number 41a. In this example, the width of the exposure opening 7 can be changed as desired as described above, and the feeding of the photographic film 1 is controlled according to the opening width of the exposure opening 7. There is an advantage that it is possible to continuously take pictures of different frame sizes (even if the frame sizes are different) on the same photographic film 1. Further, in this example, a frame size signal 12a used for printing on the upper edge 21 of the photographic film 1,
Since the center mark 40a and the like are recorded, there is an advantage that photographic films of various frame sizes can be automatically and favorably printed. In the above-mentioned embodiment, the LED 5a and the photodetector 5b are provided so as to face each other in order to detect the film position detecting small hole 19, but instead, as shown in FIGS. The photocoupler 66 in which the photodetector and the LED are integrated may be provided in the film guide of the camera body at 30 parts.

The position of the photo coupler 66 can be arranged at any position of the film guide 30 as shown in FIGS. 16 and 17. In particular, as shown in FIG. It is also possible to further provide LEDs 41 and 40 for exposing and recording 41a and the center mark 40a at the center position of the frame at the same time as photographing.

In the above embodiment, the small hole detecting device 5 for detecting the position of the film is composed of a set of LEDs and a photodetector, but the invention is not limited to this. Two sets of LEDs, including gaps
Needless to say, the small hole detection device 5 may be configured by the photodetector and the photodetector.

The present invention is not limited to the above embodiment,
It goes without saying that various other configurations can be adopted without departing from the gist of the present invention.

[0072]

As described above, according to the present invention, the width of the exposure opening can be varied as desired, and the feeding of the photographic film is controlled according to the opening width of the exposure opening. Therefore, there is an advantage that photographs of a desired frame size can be continuously taken on the same photographic film.

Further, according to the present invention, since the control signal used at the time of printing is recorded in the signal recording portion of the photographic film, there is an advantage that photographic film of various frame sizes can be automatically and well printed. is there.

[Brief description of drawings]

FIG. 1 is a rear view showing an example of a photographic film camera of the present invention without a rear lid.

FIG. 2 is a front view showing an example of the rear lid of FIG.

3 is a sectional view taken along line III-III in FIG.

FIG. 4 is a block diagram showing an example of a control device of the photographic film camera of the present invention.

5 is a partially enlarged view of a main part of FIG.

FIG. 6 is a diagram showing an example of the photographic film of the present invention.

FIG. 7 is a diagram showing an example of the photographic film of the present invention.

FIG. 8 is a front view showing an example of the photographic film of the present invention.

FIG. 9 is a diagram for explaining the present invention.

FIG. 10 is a configuration diagram showing an example of an automatic printing machine.

FIG. 11 is a diagram used for explaining FIG.

FIG. 12 is a diagram for explaining FIG. 10;

13 is a configuration diagram showing an example of the control device of FIG.

FIG. 14 is a diagram for explaining FIG. 10;

FIG. 15 is a diagram for explaining FIG. 10;

FIG. 16 is a constitutional view showing another embodiment of the photographic film camera of the present invention.

FIG. 17 is a constitutional view showing another embodiment of the photographic film camera of the present invention.

FIG. 18 is a diagram showing an example of a conventional photographic film.

FIG. 19 is a diagram showing an example of a conventional photographic film.

[Explanation of symbols]

 1 Photographic film 3 Frame 4 Dark box 5 Small hole detector 6 Frame size setting switch 7 Exposure opening 8 System controller 9 Sprawl 10 Motor 11 Frame size recording circuit 12, 40, 41 LED 12a Frame size signal 15 Moving mask 19 Film position Small hole for detection 20 Effective shooting area 21 Signal recording section 38 Mark recording circuit 40a Center mark 41a Frame number

 ─────────────────────────────────────────────────── ─── Continuation of front page (72) Inventor Shunji Obayashi 3-6-2 Nishigotanda, Shinagawa-ku, Tokyo Sony PCL Co., Ltd. (72) Koji Genda 2-11 Shin-Ogawamachi, Shinjuku-ku, Tokyo Bronica Incorporated (72) Inventor Hideki Toshiki 6-735 Kitashinagawa, Shinagawa-ku, Tokyo Sony Corporation

Claims (5)

[Claims] 1. A detection means provided in a dark box of a photographic film camera for detecting the feeding of the photographic film, and a movement amount of the photographic film is controlled by a signal detected by the detection means to expose the dark box. A film control mechanism for feeding the photographic film corresponding to the width of the film in the film feeding direction, and an opening provided in the film width direction in the vicinity of the exposure opening, in accordance with the exposure control to the exposure opening. A photographic film camera, comprising: a signal recording device for recording a signal indicating a position of a portion on the photographic film. 2. A film control means for controlling the feeding of the photographic film, and an opening control means for varying the width of the exposure opening of the dark box in the feeding direction of the photographic film in the dark box of the photographic film camera. A photographic film camera, wherein the photographic film is fed in a variable width by the film control means when at least the width of the exposure opening is changed from small to large. 3. A cartridge storage unit formed in a dark box of a photographic film camera for storing a photographic film cartridge, a film storage unit formed in the dark box for storing a photographic film taken out from the cartridge, Between the cartridge storage section and the film storage section, at the lower end of the photographic film camera, a film position detecting small hole formed at one edge of the photographic film is detected, and the cartridge storage section and the film storage section. A photographic film camera having a film feed control device for controlling film feed between the two. 4. A photographic film having a signal recording portion formed between a photographing effective area of the photographic film and a side edge of the film, for recording a control signal used when developing and printing the photographic film. 5. A photographic film having a small hole for detecting the movement amount of the photographic film, which is formed at an upper edge of the photographic film between a photographing effective area and a side of the film.