JPH09325456A - Film integral type camera - Google Patents

Abstract

PROBLEM TO BE SOLVED: To record printing size information on a photographic film accurately and securely in accordance with photographing frame at the time of photographing and record printing size information on a photographic film by a simple structure and at low cost. SOLUTION: In a film integral camera in which a photographic film F is loaded in advance at the time of assembly and printing size information A is exposed on the photographic film F, an information exposure area B which exposes the printing size information A outside of a scope of a photographing frame F2 in correspondence to the photographing frame F2 of the photographic film F is set, and a light source is lit by using a signal of a synchronized switch as a trigger signal in this information exposure area B to record the printing size information A.

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 in which a film cartridge is pre-loaded at the time of assembling, a photographic film is wound up for each photographing, and a photographed photographic film is taken out.

[0002]

2. Description of the Related Art A film-integrated camera is a simple camera in which a film cartridge is loaded in advance at the time of assembling, a photographic film is wound up on a spool in the film cartridge for each photographing, and the photographed photographic film is taken out. With such a film-integrated camera, when the photographing of all the film is completed, the photographic film is sent to a lab with the photographic film contained therein, and the photographic film is taken out of the camera by the film cartridge, and the photographic film is taken out of the camera. A developing process is performed, in which printing size information is exposed and recorded on a photographic film at the time of photographing, and a photographed image is printed on photographic paper based on the printing size information to obtain a photographic print of a predetermined size. .

[0003]

In such a film-integrated camera, it is necessary to accurately and surely record the print size information on the photographic film in accordance with the frame to be photographed. Since a body camera is required to be extremely inexpensive, a means for exposing the printing size information on the photographic film is required to have a simple structure and be inexpensive.

The present invention has been made in view of the above point, and it is possible to accurately and surely record the printing size information on the photographic film according to the frame to be photographed at the time of photographing, and have a simple structure and at a low cost. It is an object of the present invention to provide a film-type camera capable of recording printing size information on a photographic film.

[0005]

In order to solve the above problems and achieve the object, the invention according to claim 1 pre-loads a photographic film at the time of assembling, and exposes the printing size information on the photographic film. In a film-integrated camera, an information exposure area for exposing the printing size information is set outside the range of the photographic film corresponding to the photographic film frame, and the signal of the synchro switch is used as a trigger signal in the information exposure area. It is characterized in that the light source is turned on to record the printing size information. The print size information can be accurately exposed and recorded in the information exposure area set corresponding to the image frame.
Further, the light source is turned on by the operation of the synchro switch at the time of photographing to accurately and surely record the printing size information, and the structure is simple and inexpensive without using a dedicated switch for recording the printing size information.

According to a second aspect of the invention, there is provided a switching means for recording the printing size information by a combination of exposure and non-exposure by turning on the light source.
The printing size information can be accurately recorded in the information exposure area with a simple structure that combines exposure and non-exposure.

According to a third aspect of the invention, the light source is an LED.
It is characterized by using one or more of. By using the LED as the light source, it is possible to obtain a compact and predetermined amount of light.

The invention according to claim 4 is characterized in that a strobe battery is also used as a power source of the light source. A camera equipped with a strobe is small and inexpensive because a strobe battery is also used as the power source of the light source.

According to a fifth aspect of the present invention, the light source is arranged on a strobe circuit board. The light source can be arranged on the strobe circuit board, and it is not necessary to secure a space for arrangement and a compact camera can be obtained.

According to a sixth aspect of the present invention, the photographic film is exposed through a light transmitting material by turning on the light source. By exposing the photographic film through the light transmitting material by turning on the light source, the degree of freedom of the arrangement of the light source and the exposure position on the photographic film is expanded.

The invention according to claim 6 is characterized in that the photographic film is exposed from the emulsion side. By turning on the light source, the printing size information can be surely recorded on the photographic film.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A film-integrated camera according to the present invention will be described below in detail with reference to the drawings. First, a first embodiment is shown in FIGS. FIG. 1 is an exploded perspective view of a film-integrated camera, FIG. 2 is a perspective view of a camera body, FIG. 3 is a perspective view of a portion where printing size information is recorded, and FIG. 4 is a switching state of a portion where printing size information is recorded. Figure,
FIG. 5 is a diagram showing recording of printing size information, and FIG. 6 is a strobe circuit diagram.

The film-integrated camera 1 is a simple camera that is put on the market with a photographic film loaded, and the photographic film is loaded in the camera assembling process so that the user can load or rewind the photographic film. Since the operation of is unnecessary, the user can immediately take a picture.

In this film-integrated camera 1, a camera body 2 is surrounded by a front cover 3 and a rear cover 4. An opening 5 for exposing the photographing lens 10 is provided at the front center of the front cover 3, and a hole penetrating through the front and back surfaces of the main body 2 is provided above the photographing lens 10, and a lens (not shown) is formed on the front and back surfaces. A finder 6 is provided.

A shooting frame 2a is provided in the center of the camera body 2, and a film storage chamber 2b for storing unexposed photographic film is provided on one of the left and right sides of the shooting frame 2a and the photographic film after shooting is provided on the other side. A hoisting chamber 2c for hoisting is provided. A lens receiver 9 is provided on the photographing frame 2a, and a photographing lens 10 is attached to the lens receiver 9. As shown in FIG. 5, between the film storage chamber 2b and the winding chamber 2c.
An unexposed photographic film F in a state of being pulled out from the film cartridge 80 as shown in FIG.

The front cover 3 has a fixed flash unit 20 for strobe light.
Is provided, and a strobe switch operating element 21 is further provided therebelow. Strobe switch actuator 21
Is provided at the lower part of the fixed light emitting part 20 so as to be able to slide laterally and protrude and retract at a lateral outer edge of the camera body 2 so that the strobe is activated when the strobe switch operating member 21 projects from the outer edge. A strobe circuit is formed.

The strobe circuit is a strobe circuit board 30 arranged in front of the film storage chamber 2b as shown in FIG.
It is configured as shown in FIG. 6 by the circuit components connected to. The shutter release button 7, the film counter window 22, and the indicator lamp 23 provided on the strobe circuit board 30 so as to blink when the strobe circuit is on are formed on the upper surface of the front cover 3 at positions corresponding to the shutter release button 7. An indicator lamp window 24 is provided.

An aspect ratio changeover switch 8 is provided below the front cover 3 and moves in the direction of the arrow to switch between a standard size C, a high vision size H and a panorama size P. The sector 11 is on the top of the camera body 2.
A sector lever 12 for driving the is attached rotatably. The sector lever 12 is rotated by a release mechanism 13 mounted on the camera body 2, and the release mechanism 13 is operated by a shutter release button 7.

In this film-integrated camera 1, an unexposed photographic film F as shown in FIG.
b is stored in a roll shape and stored in a film cartridge 80 loaded in the hoisting chamber 2c every time a photograph is taken. As disclosed in, for example, Japanese Patent Application Laid-Open No. 3-179341, the film cartridge 80 is also used for storing a developed photographic film in a roll shape as it is long.

A perforation F1 is provided on one side of the photographic film F, and a photographing frame F2 is provided between the perforations F1. Corresponding to the shooting frame F2,
An information exposure area B for exposing the printing size information A is set outside the range of the image frame F2, and the LED1 as a light source is turned on in the information exposure area B by using the signal of the synchro switch SW1 shown in FIG. 6 as a trigger signal. Printing size information A
Is configured to record.

The LED 1 as a light source is arranged on the strobe circuit board 30 as shown in FIG. 2, and when the LED 1 is turned on, it is exposed on the photographic film F through the optical transmission material 31 to record the printing size information A. .

The optical transmission material 31 is composed of a molded product of transparent resin, and L for exposing the printing size information A from one end 31a.
The other end 31b is opened in the guide rail 2d through which the photographic film F travels by taking in the light of the ED1. The light transmission material 31 allows only the light of the LED 1 to pass therethrough, and blackens or covers a portion other than the one end portion 31a and the other end portion 31b with a light shielding member so that other external light does not enter. 2 on the guide rail 2d
The individual information input slits 32a and 32b are open.
A switching piece 33 for switching between opening and closing of the information input slit 32a is moved along the guide 200 between the other end 31b of the optical transmission material 31 and the two information input slits 32a, 32b formed on the guide rail 2d. It is accommodated as much as possible, and the pins 8a of the aspect ratio changeover switch 8 are engaged with the protrusions 33a and 33b of the changeover piece 33. By the switching operation of the aspect ratio changeover switch 8 in the direction of the arrow, the printing size information A is exposed on the photographic film F by switching between the two information input slits 32a and 32b.

The printing size information A of standard size C, high-definition size H, and panorama size P, which can be switched by the aspect ratio changeover switch 8, is exposed on the photographic film F. Figure 5 (a) shows standard size C
Showing the printing size information A of the two information input slits 3
Opening both 2a and 32b, 2 bit "1",
"1" exposure is performed, and FIG. 5B shows the printing size information A of the high-definition size H, and the two information input slits 32a and 32b are both closed to make 2-bit "0",
“0” exposure is performed, and FIG. 5C shows the printing size information A of the panorama size P, and the two information input slits 32.
Opening one of a and 32b, 2-bit "0", "1"
Exposure is performed. This exposure is performed from the emulsion side of the photographic film F, whereby the printing size information A can be surely recorded on the photographic film F by turning on the light source.

Next, the strobe circuit shown in FIG. 6 will be described. This strobe circuit is equipped with a power source such as a strobe battery E. The strobe switch SW2 interlocked with the strobe switch actuator 21 is a switch element SW1.
1, SW12, and a switch element S on the strobe battery E
The charging circuit 41 is connected via W11.

The charging circuit 41 is provided with a transformer T1 which oscillates and boosts the voltage. The DC voltage is supplied from the strobe power source E to perform an oscillating operation, the DC voltage is converted into an AC high voltage, and the diode D1 is rectified for strobe operation. The capacitor C1 is charged.

In the transformer T1, one end of the primary winding W11 is connected to the positive electrode side of the strobe battery E, and the other end is connected to the strobe battery E via the transistor Q1 and the switch element SW11.
Is connected to the negative electrode side. Furthermore, the transformer T1
One end of the secondary winding W12 is connected to the diode D1, the other end is connected to the base of the transistor Q1 and the tertiary winding W13, and the tertiary winding W13 is connected to the positive electrode side of the strobe battery E via the resistor R3. There is. When the switch element SW1 is turned on and the base current Ib flows through the transistor Q1 to make it conductive, a direct current is supplied from the strobe power source E to the transformer T1.
Is supplied to the primary winding W11, but thereafter, due to the saturation characteristic when the transistor Q1 is conductive, the transistor Q1 becomes non-conductive and continues the so-called blocking oscillation action.

The negative electrode (one) and the positive electrode (+) of the strobe capacitor C1 are connected to the cathode K and the anode A of the strobe light emitting tube Xe so as to supply a discharge current to the strobe light emitting tube Xe. Further, a lighting circuit 42 is connected to the grid G of the flash arc tube Xe. The lighting circuit 42 is connected between the negative electrode and the positive electrode of the strobe capacitor C1 via a resistor R2, a capacitor C2, a synchro switch SW1, and a transformer T2 having a primary winding W21 and a secondary winding W22. In this lighting circuit 42,
Synchronous switch SW according to the release operation on the camera side
When 1 is closed, the electric charge of the capacitor C2 instantly flows into the primary winding W2l of the transformer T2, and based on this, the secondary winding W2l
The pulsed voltage generated at 22 is applied to the grid G of the strobe light emitting tube Xe, and the strobe light emitting tube Xe is lit.

Further, the lighting circuit 42 is connected with a warning circuit AL for indicating the completion of charging and warning that the strobe switch SW2 is forgotten to be turned off. The warning circuit AL is inserted between the interconnection point of the resistor R1 and the synchro switch SW1 and the other switch element SW12 of the strobe switch SW, and is connected in series with the resistor R1 and the neon tube Ne and in parallel with this series circuit. Capacitor C2 connected to
Having. When strobe switch SW2 is closed, resistance R
2 is connected between both ends of the strobe capacitor C1, and when the voltage of the capacitor C2 is suitable for a predetermined voltage, the neon tube Ne is decelerated and a charging completion indication or warning is given.

A resistor R4 and an LED are connected between the lighting circuit 42 and the strobe power source E. This LED 1
When the synchro switch SW1 is turned on, the LED 1 is turned on by the strobe power source E regardless of whether the strobe switch SW2 is OFF or ON.

This synchro switch SW1 is the sector 1
When it is turned on by opening 1, the LED 1 which is a light source is turned on, and the light due to this lighting is exposed and recorded on the photographic film F via the optical transmission material 31 to record the printing size information A,
The print size information A can be accurately exposed and recorded in the information exposure area B set corresponding to the image frame.
Further, the synchro switch SW1 is always turned on by the sector 11 at the time of photographing, the LED 1 is turned on, and the printing size information A can be accurately and reliably recorded, and the structure is simple without using a dedicated switch for recording the printing size information A. It is also inexpensive.

Further, by exposing the LED 1 as a light source on the photographic film F through the light transmission material 31 by lighting, the degree of freedom of the arrangement of the light source and the exposure position on the photographic film is expanded.

The combination of exposure and non-exposure by turning on the LED 1 is performed by switching the aspect ratio changeover switch 8 in the direction of the arrow, and the two information input slits 32a, 32 are provided.
Since b is opened and closed by switching the switching piece 33 and the switching means H for recording the printing size information A configured in this way is provided, the printing size information A has a simple structure by a combination of exposure and non-exposure. , Can be accurately recorded in the information exposure area.

Further, since one LED1 is used as the light source and the LED1 is used as the light source, it is possible to obtain a compact size and a predetermined amount of light. Further, since the strobe battery E is also used as the power source of the light source, and the camera provided with the strobe is small and inexpensive because the strobe battery is also used as the power source of the light source. Also, the LEDs that make up the light source
Is arranged on the strobe circuit board 30, it is possible to make a compact camera without particularly securing an arrangement space, and strobe and printing size information A.
A circuit including a light source for recording is recorded as one unit, and the assembly is easy and the reuse is easy.

Next, a second embodiment is shown in FIGS. 7 to 9. FIG. 7 is an exploded perspective view of the film-integrated camera, and FIG.
Is a perspective view of the camera body, and FIG. 9 is a strobe circuit diagram.

In the second embodiment, the same components as those of the embodiment shown in FIGS. 1 to 6 are designated by the same reference numerals and the description thereof will be omitted. In the second embodiment, the optical transmission material 51,
Two 52 are independently used, and the optical transmission materials 51 and 52 are similarly formed of a transparent resin molded product.
LED2 and LED3 for exposing the printing size information A from a
The other ends 51b and 52b are opened in the guide rail 2d through which the photographic film F travels.

By the switching operation of the aspect ratio changeover switch 8 in the direction of the arrow, the print size switch SW3 connected to the strobe circuit diagram shown in FIG. 9 is interlocked. The printing size switch SW3 has switch elements SW31 and SW32.
The switch element SW31 constitutes a series circuit 60 of a resistor R21 and LED2, and the switch element SW32 is a resistor R3.
1. A series circuit 61 of the LED 3 is configured. The parallel circuit of these series circuits 60 and 61 is connected between the lighting circuit 42 and the strobe power source E.

When the aspect ratio changeover switch 8 is set to the position of the standard size C, the switch elements SW31 and SW32 of the printing size switch SW3 are turned on and the LEDs 2 and LED are turned on.
3 is turned on, and 2-bit “1” and “1” are displayed on the photographic film F through the optical transmission materials 51 and 52 as shown in FIG.
Exposure is performed. Further, when the aspect ratio changeover switch 8 is set to the position of the high definition size H, the switch elements SW31 and SW32 of the printing size switch SW3 are turned on and the LEDs 2 and 3 are not turned on. Therefore, as shown in FIG. 2-bit "0", "0"
Exposure is performed. Further, when the aspect ratio changeover switch 8 is set to the position of the panorama size P, one of the switch elements SW31 and SW32 of the printing size switch SW3 is turned on and only one of the LEDs 2 and 3 is turned on.
As shown in (c), the photographic film F is subjected to 2-bit "0", "1" exposure.

In this way, the printing size information A can be accurately exposed and recorded on the information exposure area B set corresponding to the frame to be photographed on the photographic film F, and the printing image can be printed based on the printing size information A. Images are printed on paper and printed to obtain standard size, high definition size and panoramic size prints.

In the above embodiment, the molded product of transparent resin is used as the optical transmission material, but it may be composed of an optical fiber.

[0040]

As described above, according to the first aspect of the invention, the information exposure area for exposing the printing size information is set outside the range of the photographic film, and the information exposure area is set. Since the light source is turned on and the printing size information is recorded in the area by using the signal of the synchro switch as a trigger signal, the printing size information is accurately exposed and recorded in the information exposure area set corresponding to the shooting frame. can do. Further, the light source is turned on by the operation of the synchro switch at the time of photographing to accurately and surely record the printing size information, and the structure is simple and inexpensive without using a dedicated switch for recording the printing size information.

According to the second aspect of the present invention, the printing size information can be accurately recorded in the information exposure area with a simple structure by a combination of exposure and non-exposure.

According to the third aspect of the present invention, one or a plurality of LEDs are used as the light source and the LEDs are used as the light source, whereby a compact and predetermined light amount can be obtained.

According to a fourth aspect of the invention, the power source of the light source is:
For cameras that also use a strobe battery and have a strobe,
By using a strobe battery as the power source of the light source, it is small and inexpensive.

According to the fifth aspect of the present invention, since the light source is arranged on the strobe circuit board, the light source can be arranged on the strobe circuit board, and it is not necessary to secure an arrangement space and the camera is compact. In addition, the circuit including the strobe and the light source for recording the printing size information A can be made into one unit, and the assembly is easy and the reuse is easy.

According to the invention of claim 6, the light source is turned on to expose the photographic film through the light transmitting material.
The degree of freedom of the arrangement of the light source and the exposure position on the photographic film can be expanded.

According to the sixth aspect of the invention, since the exposure is performed from the emulsion side of the photographic film, it is possible to surely record the printing size information on the photographic film by turning on the light source.

[Brief description of drawings]

FIG. 1 is an exploded perspective view of a film-integrated camera according to a first embodiment.

FIG. 2 is a perspective view of a camera body according to the first embodiment.

FIG. 3 is a perspective view of a portion for recording print size information according to the first embodiment.

FIG. 4 is a diagram showing a switching state of a portion for recording printing size information according to the first embodiment.

FIG. 5 is a diagram showing recording of printing size information according to the first embodiment.

FIG. 6 is a strobe circuit diagram of the first embodiment.

FIG. 7 is an exploded perspective view of a film-integrated camera according to a second embodiment.

FIG. 8 is a perspective view of a camera body according to a second embodiment.

FIG. 9 is a strobe circuit diagram according to a second embodiment.

[Explanation of symbols]

 1 Film-integrated camera 10 Photographic lens A Image size information B Information exposure area F Photo film F2 Photo frame SW1 Sync switch

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor, Kiyoaki Ina, Konica Co., Ltd., Hino City, Hino City, Tokyo (72) Inventor, Kei Kanaiwa, No. 1, Sakuramachi, Hino City, Tokyo

Claims (7)

[Claims] 1. A film-integrated camera in which a photographic film is preloaded at the time of assembling and the printing size information is exposed on the photographic film, which corresponds to the photographic film of the photographic film, and the printing size is outside the range of the photographic film. A film-integrated camera characterized in that an information exposure area for exposing information is set, and a light source is turned on by using a signal of a synchro switch as a trigger signal to record the printing size information in the information exposure area. 2. A film-integrated camera according to claim 1, further comprising switching means for recording the printing size information by a combination of exposure and non-exposure by turning on the light source. 3. The film-integrated camera according to claim 1, wherein one or more LEDs are used for the light source. 4. The film-integrated camera according to claim 1, wherein a strobe battery is also used as a power source of the light source. 5. The film-integrated camera according to claim 1, wherein the light source is arranged on a strobe circuit board. 6. The film-integrated camera according to claim 1, wherein the photographic film is exposed through a light transmission material by turning on the light source. 7. The film-integrated camera according to claim 1, wherein the exposure is performed from the emulsion side of the photographic film.