JPH0643541A - Camera - Google Patents

Abstract

PURPOSE:To provide the camera which can record the information associated with an image on the magnetic recording layer of a photographic film with a simple construction at a low cost. CONSTITUTION:A transfer device 30 consisting of a magnetic tape 32 and a permanent magnet 34 are disposed on a photographic film 10 with a lens having the magnetic recording layer so as to face the magnetic recording part 22 of the film 16. The information associated with the image, such as, for example, exposing sizes, is recorded on the magnetic tape 22. This information is transferred and recorded to the magnetic recording part 22 when a bias magnetic field is impressed thereto by the permanent magnet 34. Then, identification is made as to at what size the film is exposed by reading this information. The information associated with the image is recorded on the film 16 with the simple construction at the low cost without using batteries and costly recording circuits.

Description

Detailed Description of the Invention

[0001]

FIELD OF THE INVENTION The present invention relates to a camera for a photographic film having a magnetic information recording layer.

[0002]

2. Description of the Related Art Among photographic films used in cameras, photographic films having a magnetic information recording layer are known. When an image is exposed (photographed) by a camera using a photographic film having this kind of magnetic information recording layer, information relating to image recording such as photographing (exposure) conditions is recorded in this magnetic information recording layer. It is used for subsequent processing such as printing.

In this case, in a relatively high-end model (camera), C for recording such image-related information is used.
Equipped with a recording circuit consisting of a PU and a magnetic head, it is extremely effective because it can record various image-related information, but it is a relatively inexpensive model, especially with a lens that is also a camera preloaded with a photo film. In a photographic film, a recording circuit including a CPU and a magnetic head for recording image-related information is extremely expensive, so it is extremely difficult to record image-related information in the magnetic information recording layer of the photographic film in terms of cost. It was

In this case, it is conceivable to record image-related information in the magnetic information recording layer in advance at the time of manufacturing the photographic film, but the image-related information which is decided or changed only at the time of photographing (exposure) of the photograph. Information (for example, aspect ratio, whether or not a flash is used, etc.) cannot be recorded in advance.

[0005]

In consideration of the above facts, the present invention provides a camera for a photographic film which has a simple structure and can record image-related information on the magnetic recording layer of the photographic film at a low cost. Is the purpose.

[0006]

According to a first aspect of the present invention, there is provided a camera for a photographic film having a magnetic recording layer, wherein image-related information is recorded in advance and the magnetic recording layer is provided. A recording medium that is arranged and is capable of transferring the image-related information to the magnetic recording layer by applying a bias magnetic field, and sandwiches the recording medium between the recording medium that is always opposed to the magnetic recording layer and that is located between the recording medium and the recording medium. And a permanent magnet that applies a bias magnetic field to the recording medium.

The camera according to the invention of claim 2 is the camera according to claim 1.
In the camera described above, the recording medium has a plurality of tracks, and a plurality of different image-related information is recorded on these tracks, and at least one of the recording medium and the permanent magnet is one of the plurality of tracks. One of them is selectively movable to a position facing both the magnetic recording layer and the permanent magnet, and a plurality of different image-related information is selectively selected by changing the facing position of the permanent magnet and the plurality of tracks. It is characterized by being transferred and recorded on.

[0008]

According to the present invention, when the bias magnetic field is applied to the recording medium arranged corresponding to the magnetic recording layer by the permanent magnet, the image-related information previously recorded on the recording medium is recorded on the magnetic recording layer. Will be transcribed and recorded.

As described above, image-related information can be recorded on the magnetic recording layer of a photographic film at a low cost with a simple structure without using a power source such as a battery.

Further, by recording various image-related information in the recording medium in advance, it is possible to record a plurality of different image-related information.

According to another aspect of the present invention, since a plurality of different image-related information are recorded in advance on a plurality of tracks in the recording medium, at least one of the recording medium and the permanent magnet is moved so that a plurality of permanent magnets are provided. One of the plurality of pieces of image-related information is selected, transferred and recorded by setting it to face one of the tracks. In this way, a plurality of different image-related information can be selected and recorded.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 is a partially cutaway perspective view showing a schematic structure of a lens-equipped photographic film 10 as a camera according to an embodiment of the present invention. FIG. 2 shows this lens-equipped photographic film 10. Is shown in a plan view.

In the lens-fitted photographic film 10, a film cartridge 12 is arranged at one end and a winding shaft 14 is arranged at the other end. The film 16 is wound up and accommodated in the film cartridge 12, and the tip of the film 16 is hooked on the winding shaft 14. Therefore, by rotating the winding shaft 14, the film 16 is moved to the film cartridge 1.
It is possible to pull out one by one from within 2 and wind the winding shaft 14 around.

Further, in the photo film with lens 10,
A lens 18 is arranged so as to face the exposed surface side of the film 16, and an image can be exposed on the image forming section 20 of the film 16. In this case, the image forming unit 20 of the film 16 is selected from a panoramic size, a high-definition size, and a full size (often printed in an L size slightly larger than the normal service size) by a selection mechanism (not shown). It can be exposed as size.

Here, as shown in FIG. 3, a magnetic recording layer is formed on the side of the image forming section 20 (one end in the width direction of the film 16) on the side opposite to the exposed surface of the film 16.
This area is the magnetic recording section 22. The magnetic recording unit 22 corresponds to the transfer device 30 described later.

The transfer device 30 comprises a magnetic tape 32 as a recording medium and a permanent magnet 34.

The magnetic tape 32 is formed in an endless shape and wound around a pair of rollers 36 and 38.
6 corresponds to the magnetic recording unit 22. A pair of rollers 3
Reference numerals 6 and 38 are interlocked with the winding mechanism of the film 16, and when the film 16 is wound up, the magnetic tape 32 moves together with the film 16 in conjunction with this.

Further, as shown in FIG. 4, the magnetic tape 32 has a P track 40, an H track 42, and an L track 44.
Image-related information (for example, the P track 40 is exposed to the image as a panoramic size, and the H track 42 is exposed to the image as a high-definition size). Image related information indicating that the image is exposed as a full size image is recorded in advance on the L track 44.

Further, the magnetic tape 32 is movable along its width direction (direction of arrow A in FIGS. 3 and 4). In other words, in other words, only one of the three tracks of the P track 40, the H track 42, and the L track 44 is in a state of facing the magnetic recording portion 22 of the film 16.

On the other hand, the permanent magnet 34 is arranged inside the endless shape of the magnetic tape 32 and at a position facing the magnetic recording portion 22 of the film 16, with the magnetic tape 32 being sandwiched between the permanent magnet 34 and the film 16. . This permanent magnet 34
As shown in FIG. 4, the P tracks 40 and H of the magnetic tape 32 are
The width dimension of the track 42 and the L track 44 is substantially the same. Therefore, when the magnetic tape 32 is moved along its width direction, the permanent magnet 34 sandwiches only one of the P track 40, the H track 42, and the L track 44 of the magnetic tape 32. In this state, the bias magnetic field can be applied to any one of the selected and opposed tracks of the magnetic tape 32.

The permanent magnet 34 is attached to the film 16.
A contact member 46 is disposed on the surface opposite to the permanent magnet 34 so as to face the film 16 and the magnetic tape 32.
Is maintained and the contact state is maintained to ensure the application of the magnetic field by the permanent magnet 34.

A switching lever 48 is provided on the upper portion of the main body 11 of the photographic film with lens 10. The switching lever 48 is a panorama size, a high definition size,
It corresponds to any one of the full sizes and is connected to the pair of rollers 36 and 38 described above, so that the pair of rollers 36 and 38 can be moved.

That is, when the switching lever 48 is selected to the P position, the pair of rollers 36 and 38 are moved so that the P track 40 of the magnetic tape 32 faces the permanent magnet 34 and the magnetic recording portion 22 of the film 16. H state
Similarly, when the position is selected, the H track 42 of the magnetic tape 32 is made to face the permanent magnet 34 and the magnetic recording portion 22 of the film 16, and when the position L is selected, the magnetic tape 32 of the magnetic tape 32 is changed. The L track 44 can be made to face the permanent magnet 34 and the magnetic recording portion 22 of the film 16.

Next, the operation of this embodiment will be described. In the lens-equipped photo film 10 having the above-described configuration, an image is exposed on the image forming unit 20 of the film 16 via the lens 18 as a panoramic size, a high-definition size, or a full size. After the exposure of one image frame, the winding shaft 14 is rotated so that the films 16 are sequentially drawn out one by one from the inside of the film cartridge 12 and wound on the winding shaft 14.

When the image is exposed, the size of any size can be selected by selecting the switching lever 48 to the P position, the H position, or the L position before the film 16 is wound up. It is possible to record the image-related information as to whether or not the exposure was performed.

That is, when the image is exposed as a panoramic size, the magnetic tape 32 is moved by selecting the switching lever 48 to the P position and the P track 4 is moved.
0 is in a state of facing the permanent magnet 34, and in this state, the film 16 is wound to apply a bias magnetic field to the P track 40. As a result, the P track 40
The image-related information recorded in (1) is transferred and recorded in the magnetic recording section 22 of the film 16. On the other hand, when the image is exposed as high definition size, the magnetic tape 32 is moved by selecting the switching lever 48 to the H position, and the H track 42 faces the permanent magnet 34. In this state, the film 16 is opened. H by winding
A bias magnetic field is applied to the track 42. As a result, the image-related information recorded on the H track 42 is transferred and recorded on the magnetic recording portion 22 of the film 16. Further, when the image is exposed as a full size image, by selecting the switching lever 48 to the L position, the magnetic tape 32 is moved so that the L track 44 faces the permanent magnet 34. In this state, the film 16 is opened. A bias magnetic field is applied to the L track 44 by winding. As a result, the image-related information recorded on the L track 44 is transferred and recorded on the magnetic recording portion 22 of the film 16.

Therefore, when performing the subsequent printing process, it is possible to determine which size the image was exposed by reading the pattern of the reproduction waveform of the magnetization recorded in the magnetic recording unit 22. Yes, this can be used effectively.

As described above, image-related information can be recorded in the magnetic recording portion 22 of the film 16 at a low cost with a simple structure without using the power of a battery or the like.

In this embodiment, three tracks of P track 40, H track 42, and L track 44 are provided on the magnetic tape 32 in order to identify the size of the exposure (print), and one track is selected. Although the image-related information is transferred to the magnetic recording unit 22 and recorded, the present invention is not limited to this, and a structure for recording other information (for example, whether or not a flash is used, print zoom, etc.), that is, a magnetic tape in advance. Other image-related information may be recorded in 32 and transferred to the magnetic recording unit 22 for recording.

In this embodiment, the P track 4
Although the magnetic tape 32 provided with three tracks of 0, H track 42, and L track 44 is moved to a position facing the permanent magnet 34, the present invention is not limited to this. The permanent magnet 34 is made movable along the width direction, and the permanent magnet 34 is moved to the P track 40 and the H track 4
It is also possible to move to a state of facing either the second or the L track 44 and transfer and record the image-related information to the magnetic recording section 22. Even in this case, the image information can be recorded in the magnetic recording portion 22 of the film 16 without using the power of the battery or the like, and the recorded information can be effectively used by reading the recorded information. .

Further, in the above embodiment, the mask is not switched to the film screen, but the camera may be switched to the film screen. Further, when exposure is performed for each size, the size may be changed in conjunction with the finder.

[0032]

As described above, the camera according to the present invention has an excellent effect that image-related information can be recorded on the magnetic recording layer of a photographic film with a simple structure and at low cost.

[Brief description of drawings]

FIG. 1 is a partially cutaway perspective view showing a schematic structure of a photographic film with a lens according to an embodiment of the present invention.

FIG. 2 is a plan view showing a schematic configuration of a photographic film with a lens according to an embodiment of the present invention.

FIG. 3 is a schematic plan view showing a relationship between a film used in a photographic film with a lens according to an embodiment of the present invention, a magnetic tape, and a permanent magnet.

FIG. 4 is a development view showing the configurations of a magnetic tape and a permanent magnet used in the photographic film with lens according to the embodiment of the present invention.

[Explanation of symbols]

 10 Photographic film with lens (camera) 16 Film 18 Lens 20 Image forming part 22 Magnetic recording part 30 Transfer device 32 Magnetic tape (recording medium) 34 Permanent magnet 40 P track 42 H track 44 L track 48 Switching lever

Claims (2)

[Claims] 1. A camera for a photographic film having a magnetic recording layer, wherein image-related information is pre-recorded and arranged corresponding to the magnetic recording layer, and a bias magnetic field is applied to the image-related information. A recording medium capable of transferring information to the magnetic recording layer and a recording medium sandwiched between the magnetic recording layer and the recording medium that are always opposed to the magnetic recording layer, and a bias magnetic field is applied to the recording medium. A camera that is equipped with a permanent magnet that does. 2. The recording medium has a plurality of tracks, and a plurality of different image-related information is recorded on these tracks, and at least one of the recording medium and the permanent magnet is one of the plurality of tracks. One of them is selectively movable to a position facing both the magnetic recording layer and the permanent magnet, and different image-related information is selectively changed by changing the facing position of the permanent magnet and the plurality of tracks. The camera according to claim 1, wherein the camera is transferred to and recorded.