JP3212283B2 - Camera system - 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 system, and more particularly, to a method for simultaneously storing a subject image exposed on a silver halide film as electronic image data in a RAM (random access memory) address corresponding to the number of frames to be photographed. The present invention relates to a camera system which is useful for processing information of the camera.

[0002]

2. Description of the Related Art Various types of recording of processing information at the time of printing have been proposed. For example, as in a data recording camera disclosed in Japanese Patent Application Laid-Open No. 62-208028, a film mounting section, a mounting section for an electronic or magnetic recording medium other than a film, and information for a laboratory (lab) Signal generating means, and signal transmitting means for transmitting an output signal from the laboratory information signal generating means to the recording medium, and processing information for lab printing on a recording medium mounted on a camera other than a film. Is recorded.

[0003]

However, in the data recording camera described above, it is difficult to appropriately designate the number of prints and the trimming range without performing printing once and confirming the performance.

It is an object of the present invention to provide a camera system capable of simultaneously storing an image of a subject exposed on a silver halide film as electronic image data in a RAM and confirming the quality of the image before sending it to a developing laboratory. .

[0005]

A camera system according to the present invention comprises: a film exposing means for exposing a subject image passing through a taking lens onto a silver halide film having a magnetic recording portion;
Electronic image photographing means for electronically photographing a subject image at substantially the same time as the exposure on the silver halide film, and associating the subject image photographed by the electronic video photographing means with the number of photographed frames of the silver halide film A random access video storage means, a display means for reading and displaying an electronic video stored in the video storage means in accordance with a designated number of frames to be shot, and a display means for reading and displaying the electronic video in the display means. Is displayed as processing information when printing.
The number information and the trimming information can be input print information writing means, the information input by the print information writing means, and the print information storage means for storing in association with the number of photographed frames of the silver film, the upper Symbol print the print information for each number each photographic frame stored in the information storage means comprises a magnetic recording means for recording on the magnetic recording portion, the upper
The display means is provided by the print information writing means.
According to the input trimming information,
, The trimming range is displayed .

According to the camera system of the present invention, the subject image is exposed to the silver halide film, and at the same time, the subject image is stored in the RAM as electronic video data, and after photographing, the electronic video data stored in the memory is stored. By playing the
Confirm the same subject image exposed on the silver halide film.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to the illustrated embodiments. FIG. 1 is a block diagram showing a camera system according to an embodiment of the present invention. The luminous flux from the subject, which has been transmitted through the front lens group 1, which is a photographing lens, is disposed on the optical axis 0 of the photographing optical system behind the front lens group 1, which is disposed in front of the subject side. The beam splitter 2. The beam splitter 2 has a function of splitting a light beam from a subject into an optical axis 0 direction of the photographing optical system and a direction in which the light flux is reflected upward perpendicular to the optical axis 0. A part of the light beam from the subject passes through the beam splitter 2 and travels straight in the optical axis direction, and the remaining light beam is reflected toward the mirror 7 inclined at 45 degrees above the splitter 2. .

The transmitted light beam passes through a stop 3 provided behind the beam splitter 2 and is
Through the rear group lens 4 disposed behind the rear group lens 4, and reaches a shutter 5 disposed behind the rear group lens 4. Immediately after the shutter 5, a silver halide film 6
Are arranged. Therefore, the front group lens 1, the beam splitter 2, and the rear group lens 4 constitute a photographic optical system for the silver halide film 6, and a release switch 2 of the camera.
0 is pressed to open the shutter 5, the shutter 5
The silver halide film 6 stretched behind is exposed.

Here, the following film is used as the silver salt film 6. That is, as shown in FIG. 3, the silver halide film 6 has a magnetic film 4 made of a magnetic recording medium for magnetically recording processing information at the time of printing in a band along the longitudinal direction of the film at the upper end of the back surface.
0 is affixed.

On the other hand, as shown in FIG. 1, the light flux reflected upward by the beam splitter 2 is reflected backward by the mirror 7 and transmitted through a relay lens 8 disposed behind the mirror 7. Through the infrared cut filter 25 disposed behind the relay lens 8 and the CC disposed behind the infrared cut filter 25.
D9 is irradiated. Therefore, the front group lens 1, the beam splitter 2, the mirror 7, the relay lens 8, the infrared cut filter 25, and the CCD 9 constitute an electronic image photographing optical system.

The output of the CCD 9 is amplified by a preamplifier 10 and input to a process circuit 11. In this process circuit, various processes such as gamma correction and gain adjustment are performed and converted into an analog video signal. This analog video signal is converted by the A / D converter 12 into a digital video signal. This digital video signal is synchronized with the pressing of the release switch 20 by a video RAM (random access memory) 1 based on an address signal corresponding to the number of film frames from a sequence controller 22 for controlling the sequence of the entire camera.
3 is stored. The digital video signal stored in the video RAM 13 is transmitted to the sequence controller 2
The LCD driver 14 is designated by the address signal from
Is input to A liquid crystal drive signal of the digital video signal is output from the liquid crystal driver 14, and an image of the digital video signal is displayed on a liquid crystal screen 15. While watching the image displayed on the liquid crystal screen 15, the print information writing means 16 appropriately prints the processing information at the time of printing, such as the number of prints of the image and the trimming range, while watching the image displayed on the liquid crystal screen 15, as described later.
The print processing information such as the number of prints and the trimming range input to the sequence controller 22 is stored in the print information storage means 17 comprising a RAM.

A signal is input to the sequence controller 22 from the film rewinding switch 21 in addition to the release switch 20. That is, when the film rewind switch 21 is closed,
This signal is input to the sequence controller 22, and an output signal from the sequence controller 22 is input to the motor driver 24. The motor driver 24 rotates the film driving motor 23 provided in the camera body in the rewind direction to rewind the silver halide film 6.

A magnetic head 40 for recording print information and a magnetic head 26 for detecting a synchronization signal are disposed on the magnetic film 40 attached to the silver halide film 6 so as to be in contact with each other. The magnetic head 18 for recording print information and the magnetic head 26 for detecting a synchronization signal are connected to the sequence controller 22, respectively. Synchronous signal detecting magnetic head 26
Serves to detect a synchronization signal recorded in advance on the magnetic film 40 of the silver halide film 6 when the silver halide film 6 is rewound. The print information storage is synchronized with the synchronization signal. The printing process information such as the number of prints and the trimming range stored in the means 17 is written on the magnetic film 40 by the print information recording magnetic head 18. When the print information stored in the print information storage means 17 is not recorded on the magnetic film 40, the print information is stored on the IC card 19.

Next, the operation of the camera system configured as described above will be described. When the photographer presses the release button, the release switch 20 is closed, and an exposure control unit (not shown in the present embodiment, the details of which are omitted) is operated to determine an appropriate exposure factor, and the shutter 5
Is opened, and the silver halide film 6 is exposed. Further, in synchronization with the exposure operation of the silver halide film 6, the luminous flux of the same subject exposed on the silver halide film 6 is transmitted to the CC.
D9 is irradiated.

Accordingly, the CCD 9 is charged with electric charges in accordance with the irradiated light beam, and outputs a scanned image signal. The image signal output from the CCD 9 is input to the preamplifier 10 and amplified, and then input to the process circuit 11. Here, various correction processes such as gamma correction and gain adjustment are performed and converted into an analog video signal. This analog video signal is output from the A / D
The digital video signal is A / D converted by the converter 12 and output to the video RAM 13. The digital video signal data input to the video RAM 13 is stored in a memory address specified by an address signal corresponding to the number of frames of a film from the sequence controller 22.

FIG. 4 shows a state in which the data of the digital video signal is stored in the video RAM 13. The video RAM 13 stores the digital video signal data for each number of frames to be shot, and when the number of frames to be shot is designated, the digital video signal of the number of frames can be called.

This digital video signal is transmitted to the video RAM.
At the same time as being stored in the video RAM 13, the digital video signal stored in the video RAM 13 is output to the liquid crystal driver 14 by the same address signal from the sequence controller 22. The same image as the subject exposed to
It is displayed on the liquid crystal screen 15 in real time. Therefore,
Thereby, the image photographed on the silver halide film 6 can be confirmed.

When the above operations are repeated and the required number of images have been photographed, processing information for printing is written.
This is performed as follows. That is, the print information writing means 16 inputs to the sequence controller 22 the number of frames to which the processing information at the time of printing is to be written. Then, an address signal corresponding to the number of photographed frames of the film is output from the sequence controller 22 to the video RAM 13, and a digital video signal which is data stored in a memory address of the address signal is output to the liquid crystal driver 14. Then, the image of the number of photographed frames is displayed on the liquid crystal screen 15. The photographer inputs the processing information at the time of printing, such as the number of prints of the image and the trimming range, from the print information writing means 16 to the sequence controller 22 while checking the image displayed on the liquid crystal screen 15. The print information is stored in the print information storage unit 17.

Here, the trimming information written as the processing information at the time of printing will be described. This trimming information specifies the trimming range as shown in FIG. For example, the liquid crystal screen 15 is made to correspond to the XY coordinates, and the XY coordinates of the two diagonal points of the trimming range are set.
The coordinate display is used as the trimming information of the trimming range. In FIG. 6, all coordinates on the liquid crystal screen are from 1 to 1 in the X direction.
3, the Y direction is divided into 1 to 9 and the coordinates of the trimming range shown are (3, 2), (12, 8)
Becomes Therefore, it is sufficient to input four numbers {3, 2, 12, 8} in order as the data of the trimming range.

FIG. 5 shows a state in which the number of prints and trimming information, which are processing information at the time of printing, are stored in the print information storage means 17. As described above, the print information storage means 17 stores the data of the desired number of prints and the data of the trimming information with respect to the number of photographed frames of the film.

After the necessary print information for the number of photographed frames is stored in the print information storage means 17 in this manner, the print information data stored in the print information storage means 17 is stored in the silver halide film 6. On the magnetic film 40 described above. This recording operation is automatically performed by the magnetic heads 18 and 26 by the film rewinding operation. That is, the film rewind switch 2
When 1 is closed, a film rewind signal is output from the sequence controller 22 to the motor driver 24, and the motor driver 24 rotates the film drive motor 23 in the rewind direction. When the rewinding of the film is started, a synchronization signal magnetically recorded in advance on the magnetic film 40 of the silver halide film 6 is detected by the synchronization signal detecting head 26. Then, the print information for each frame number stored in the print information storage means 17 is output to the print information recording magnetic head 18 in synchronization with the synchronization signal, and the magnetic film 40 of the silver salt film 6 is output. To record.

FIG. 2 shows the correspondence between the print information recording portion of the magnetic film 40 of the silver halide film 6, the synchronous signal detecting magnetic head 26, and the print information recording magnetic head 18. A synchronization signal is recorded on the synchronization signal track 30 on the outer side of the magnetic film 40, and the synchronization signal is detected by the synchronization signal detecting magnetic head 26. This synchronization signal is amplified by the synchronization signal amplifier 31 and input to the sequence controller 22. The print information output from the sequence controller 22 is the print information signal amplifier 3
The amplified signal is output to the print information recording magnetic head 18 and is recorded on the print information recording track 32 on the inner side of the magnetic film 40 by the print magnetic head 18 in synchronization with the synchronization signal.

In the above embodiment, the processing information at the time of printing is stored in the print information storage means 17 after the shooting for all the film frames is completed. Each time an image of the same subject is exposed on the liquid crystal screen 15 at the same time as exposing the subject image to the silver halide film 6, the image is checked and the processing information at the time of printing such as the number of prints and the print range is determined. The print information is input from the print information writing means 16 to the sequence controller,
7 may be stored. Further, the print information does not necessarily need to be recorded on the magnetic film 40 on the silver halide film 6 and may be stored on the IC card 19.

The silver halide film on which the print information is written as described above is automatically printed by the laboratory in accordance with the information.

[0025]

As described above, according to the present invention, the same subject image as the subject image exposed on the silver halide film is stored in the video RAM in association with the number of photographed frames of the silver halide film. Since the video RAM can be displayed as an electronic image, the electronic image can be checked before the image is developed. For this, as before,
This eliminates the need for a troublesome work of designating print processing information such as the number of prints and the trimming range after confirming the prints every time, so that the prints can be completed faster and more efficiently as desired.

[Brief description of the drawings]

FIG. 1 is a block diagram of a camera system according to an embodiment of the present invention.

FIG. 2 is a schematic layout diagram showing a relative positional relationship between a magnetic film on a silver halide film and a recording / detection magnetic head.

FIG. 3 is an enlarged vertical sectional view of a main part of a silver halide film to which a magnetic film is adhered.

FIG. 4 is a data correspondence table between digital video signals and the number of frames stored in a video RAM.

FIG. 5 is a data correspondence table of the number of film frames, the number of prints, and trimming information stored in the print information storage means.

FIG. 6 is a display screen diagram showing a specific example of specifying a trimming range on a liquid crystal screen.

[Explanation of symbols]

1 １ front group lens (silver film exposure means, electronic image photographing means) 2 ‥‥‥‥ beam splitter (silver film exposure means, electronic image photographing means) 3 ‥‥‥‥ aperture (silver film exposure) Means) 4 Rear lens (silver film exposure means) 5 Shutter (silver film exposure means) 6 Silver film 7 Mirror (electronic image capturing means) 8 {Relay lens (electronic image capturing means) 9} CCD (electronic image capturing means) 13 << Video RAM (storage means) 14 << Liquid crystal driver (reproducing means) 15 >> ‥‥ LCD screen (reproduction means)

──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. ⁷ Identification code FI H04N 5/907 H04N 5/91 J 5/91

Claims (1)

(57) [Claims] 1. A film exposing means for exposing a subject image passing through a taking lens onto a silver halide film having a magnetic recording portion, and electronically converting a subject image substantially at the same time as the exposure on the silver halide film. Electronic image photographing means for photographing; randomly accessible image storage means for storing a subject image photographed by the electronic image photographing means in association with the number of photographed frames of the silver halide film; Display means for reading out and displaying the electronic image stored in the image storage means in accordance with the above, and in a state where the electronic image is displayed by the display means, print number information and print information as processing information at the time of printing.
An input capable of printing information writing means trimming information, the information input by the print information writing means, and the print information storage means for storing in association with the number of photographed frames of the silver film, the upper Symbol print information storage means Magnetic recording means for recording the print information for each number of photographed frames stored in the magnetic recording section, wherein the display means is provided by the print information writing means.
Depending on the trimming information input by
A camera system wherein both display a trimming range .