JPH04328731A - integrated film camera - Google Patents

Abstract

PURPOSE:To provide the very inexpensive camera integrated with film of a type dedicated to trimming photographing. CONSTITUTION:A film unit 1b is loaded in a main body unit 1a so that a cartridge 11 may housed in the cartridge chamber 4 of the unit 1a and the rolled part R of a film F being the rolled state of the film F drawn out from the cartridge 11 may be housed in a film housing chamber 5. Trimming photographing information 17 is recorded on the film F. Then, a spline 12 meshes with a fork 8 and perforation 13 meshes with a sprocket 9 at such a time. When a photographer turns a film winding knob 7 after photographing by one frame, the spline 12 is rotated through the fork 8 so as to feed the film F in a direction shown by an arrow B, that is, in a direction where the exposed frame is housed in the cartridge 11. At such a time, the sprocket 9 is rotated by following the movement of the perforation 13, so that a specified feeding amount (that is, one frame) is detected and a shutter mechanism is charged.

Description

[Detailed description of the invention]

0001

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a film-integrated camera incorporating a photographic film having magnetically recorded information.

0002

2. Description of the Related Art It is well known that film-integrated cameras, so-called disposable cameras, are widely used because of their low cost and ease of use. It is also well known that a type of camera that exclusively obtains trimmed prints (a camera dedicated to trimming) is used. Here, the trimming print is a process in which a part of the photographic film is enlarged and printed instead of printing the entire screen, and is printed by 1 in Figure 5.
A panoramic print of the part 103a obtained as a print from the photographic frame indicated by 03, and a zoom print of the part 104a obtained as a print from the photographic frame indicated by 104.
It is roughly divided into two types of prints. Furthermore, in a conventional trimming-only camera, photographing exposure is applied only to the portion of the entire screen that is desired to be printed, and portions other than those to be printed are prevented from being exposed to photographing light by means of an aperture frame or the like. By visually checking the exposure frame of the developed negative, it is determined whether the developed negative should be printed as a normal print, a panoramic print, or a zoom print.

On the other hand, in US Pat. No. 3,490,844 and US Pat. No. 4,977,419, in order to obtain a cropped print, the camera records information indicating cropping on the film at the time of shooting, and automatically prints it by reading this information at the time of enlarging. A method for obtaining cropped prints is disclosed.

[0004] Also, in US Pat. No. 4,878,075,
Discloses that there is a photographic film coated with a transparent magnetic recording layer, on which information is written in advance by magnetic recording, and that the camera has a magnetic head capable of rewriting this magnetic recording. has been done. A method for automatically obtaining trimmed prints using this film will be explained with reference to FIG. 5. F is a film having a magnetic recording layer and is fed one frame at a time in the direction of arrow A each time a photograph is taken. 101 is a film cartridge, 102
is a perforation, 103 and 104 are photographed frames, and in this case, 103 is a photographed frame and 104 is an unphotographed frame. Reference numeral 105 denotes a magnetic track on which magnetic recording has been previously performed on the film F, on which information 106 regarding the film F is repeatedly recorded. Here, 106a is a start sentinel (SS), which is a code indicating the start of a series of information. 10
6b is ISO information, 106c is information indicating the number of frames that can be photographed, and 106d is information indicating an allowable exposure range. 106e is an end sentinel (ES), which is a code indicating the end of a series of information. Reference numeral 107 denotes a magnetic head of the camera, which is capable of reading information 106 regarding the film F, and at the same time is capable of writing information. Reference numeral 108 denotes a magnetic track magnetically recorded by the camera head 107 in conjunction with film feeding in the direction of arrow A after photographing, and photographing information 109 corresponding to the photographing frame 103 is repeatedly recorded. 109a is the start sentinel, 109b is the trimming shooting information indicating that the frame 103 is intended for panoramic printing, 1
09c is the End Sentinel. With this configuration,
The camera can obtain information about the film F through the magnetic head 107 and perform appropriate exposure control, etc. Also, since trimming shooting information is recorded, by reading this information at the time of printing, it can automatically perform trimming prints. You can get it.

[0005]

[Problem to be solved by the invention] In conventional film-integrated cameras, the printing method can be selected for normal photography, panoramic printing, and zoom printing by visually observing the difference in exposure frame of the developed negative. In order to do this, even though the cameras use the same type of film, in addition to the finder, the aperture frame must be separate from each other, which is disadvantageous in terms of reusability of camera parts.

[0006] Furthermore, in a system that automatically obtains cropped prints using magnetic recording, trimming photographic information is transmitted frame by frame through a magnetic head while erasing information about the film that has been recorded in advance on the film. It is necessary to record on the camera, and it is necessary to install a magnetic head and a magnetic head drive circuit in the camera, which is extremely costly, which is inconvenient for film-integrated cameras aimed at low cost. Met.

The present invention has been made to solve the above problems, and provides a film-integrated camera that has the same function as other films that automatically prints without providing a magnetic head or a magnetic head drive circuit. The purpose is to provide

[0008]

[Means for Solving the Problems] In order to achieve the above object, the camera of the present invention has a photographic film having a magnetic recording layer, and trimming photographing information is magnetically recorded in advance on this magnetic recording layer. The trimming shooting information is panoramic shooting information or zoom shooting information.

[0009]

[Operation] According to the present invention, while maintaining compatibility with a system that automatically obtains trimmed prints using magnetic recording, there is no increase in the cost of magnetic heads, etc., and the system is very inexpensive.
It becomes possible to provide a film-integrated camera dedicated to trimming prints.

0010

DESCRIPTION OF THE PREFERRED EMBODIMENTS FIGS. 1 and 2 show a film-integrated camera according to the present invention. FIG. 1 is a diagram showing its overall structure, and FIG. 2 is a sectional view thereof.

In FIGS. 1 and 2, 1 shows the entire film-integrated camera, 1a is the main unit, 1b is the film unit, 2 is the outer frame, 3 is the main body, 4 is the cartridge chamber, and 5 is the film. 6 is a photographing aperture formed in the main body 3, 7 is a film winding knob, 8 is a fork, 9 is a sprocket, and 10 is a finder rear frame.

The film unit 1b consists of a film F having a magnetic recording layer and a cartridge 11. 12 is a spline, 13 is a perforation, 14 and 15 are photographed frames, in this case 14 is a photographed frame, 15
is an unphotographed frame, and 16 is a magnetic recording track.

The cartridge 11 is placed in the cartridge chamber 4 of the main unit 1a, and the roll portion R of the film F drawn out from the cartridge 11 is placed in the film storage chamber 5 in the film unit 1b. is attached to the main unit 1a. At this time, the spline 12 is connected to the fork 8 and the perforation 13.
meshes with sprocket 9. As a result, when the photographer rotates the film advance knob 7 after shooting one frame, the spline 12 rotates via the fork 8, loading the film F in the direction of arrow B, and transferring the photographed frame to the cartridge 1.
It is possible to feed the paper in the direction that it is stored in the container. At this time, the sprocket 9 rotates following the movement of the perforation 13, detects a predetermined feed amount (that is, one frame), charges the shutter mechanism, etc.

18 is a back plate, and the film unit 1b
After attaching the main unit 1a to the main unit 1a,
It is fixed to the main body unit 1a by covering, adhering, or welding. Further, in FIG. 2, 19 is a photographing lens fixed to the main body 3, 20 is a shutter unit, and 21 is a photographing aperture provided in the outer frame 2.

FIG. 3 is an external view of the film integrated camera, in which 22 is a shutter button, 23 is a finder opening, 24 is a counterbore provided in the outer frame 2, and 25 to 27 are counterbores 2.
4, each with an opening 25
a, 26a, and 27a. Finder front frame 25-2
7 forms a transparent finder by interacting with the finder rear frame 10. In other words, if the film integrated camera is for normal shooting, the front frame 25 of the finder, if the camera is for panoramic printing, the front frame 26 of the finder, and if the camera is for zoom printing, the front frame 25 of the finder is used. A frame 27 is fixed to the counterbore portion 24.

Here, the film F used in the film-integrated camera of the present invention is one on which photographic information 17 is repeatedly recorded in advance on the magnetic track 16. 17a is a start sentinel, 17b is trimming photographing information indicating that the photograph is intended to be a trimmed print, and 17c is an end sentinel. This photographic information 17 is classified into two types as shown in FIG.

That is, if the film-integrated camera 1 is a type exclusively for panoramic printing, the shooting information 17 includes panoramic shooting information 17', and if the camera 1 is a type exclusively for zoom printing, zoom shooting information is recorded. 17
” will be used. The trimming shooting information 17 recorded in advance on this film will not be rewritten before or after shooting. Therefore, remove the film F from the film-integrated camera that has already been shot and develop it. When printing later, panoramic shooting information 17' is left on film shot with the panoramic print-only type, and zoom shooting information 17'' is left on film shot with the zoom print-only type, so that panoramic printing is possible. Alternatively, it is possible to automatically obtain a zoom print. This method of automatically obtaining prints is fully compatible with the system described in FIG. In addition, unlike conventional models, there is no need to visually check the aperture frame on the negative to determine the print type.
The shooting aperture 6 may be the same, so the main body 3
common use is possible. For normal shooting, panoramic print-only type, and zoom print-only type, different shooting information must be recorded on the magnetic track 16 of each film F, and different types of viewfinder front frames (25 to 27) must be used. It is possible to produce each of them.

[0018]

As explained above, the present invention has a film-integrated camera with a magnetic recording layer, and this magnetic recording layer uses a film on which trimming information has been recorded in advance. While maintaining compatibility with systems that automatically obtain cropped prints using records,
It is possible to realize an extremely inexpensive film-integrated camera dedicated to trimming prints without increasing costs due to magnetic heads or the like.

[Brief explanation of drawings]

FIG. 1 is an overall configuration diagram of a film-integrated camera that is an embodiment of the present invention.

FIG. 2 is an overall sectional view of a film-integrated camera that is an embodiment of the present invention.

FIG. 3 is an overall external view of a film-integrated camera that is an embodiment of the present invention.

FIG. 4 is a diagram showing the magnetic recording state of the film used in the present invention.

FIG. 5 is a diagram showing a conventional magnetic recording method.

[Explanation of symbols]

1. Film integrated camera 1a Main unit 1b Film unit 11 Cartridge F Film 16 Magnetic recording track 17 Shooting information 17b Trimming shooting information 18 Back plate

Claims (2)

[Claims] 1. A film-integrated camera having a built-in photographing mechanism together with a photographic film, wherein the photographic film has a magnetic recording layer, and trimming photographing information is magnetically recorded in advance on the magnetic recording layer. A film-integrated camera characterized by: 2. The film-integrated camera according to claim 1, wherein the trimming photographing information is panoramic photographing information or zoom photographing information.