JP2001281809A - Reusing method for film unit with lens - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a reusing method for a film unit with a lens by which a film unit with a lens can be recycled by reusing a date unit used once in a simple stage. SOLUTION: This reusing method for the film unit with a lens incorporating the date unit 61 is equipped with a front cover detaching stage to detach a front cover covering over the front surface of a unit main body to which the unit 61 is attached, a back cover detaching stage to detach a back cover covering over the back surface of the unit main body, a display deciding stage to confirm the display of the date display part 62 of the unit 61 from the back surface side of the unit main body by releasing the sector blade of a shutter device in a state where light is radiated from the front of the unit main body and decide whether the display of the display part 62 is normally performed.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method of reusing a film unit with a lens, and more particularly to a method of reusing a film unit with a lens having a date unit for imprinting date data such as date on a film.

[0002]

2. Description of the Related Art Conventionally, a film unit with a lens, which is convenient for taking a picture simply, has been widely used. The film unit with a lens has a taking lens and a shutter device, and a film is previously loaded in a film unit body with a lens. Further, a lens-equipped film unit equipped with a strobe device and a date unit for imprinting date data such as date on a film has been proposed.

[0003]

The above-described film unit with a lens is to be recovered for photographic development when the pre-loaded film is completely photographed, and is used for a relatively short period of time. There are many.

Therefore, most of the functions of the date unit incorporated in the lens-fitted film unit main body can still sufficiently withstand reuse at the time of collection, and the date unit is efficiently used from the viewpoint of resource saving. It is desired to provide a film unit with a lens so that it can be photographed again by reuse.

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and determines whether or not a date unit once used is suitable for reuse in a simple process, and reproduces a film unit with a lens using the reusable date unit. It is intended to provide a method of reusing a film unit with a lens which can be provided by using a lens.

[0006]

According to the first aspect of the present invention,
In the method of reusing a film unit with a lens with a built-in date unit, the process of removing the front cover that removes the front cover that covers the front of the unit body to which the date unit is attached, and the process that removes the rear cover that covers the rear surface of the unit body And releasing the sector blades of the shutter device in a state where light is applied from the front of the unit main body, confirming the display on the display unit of the date unit from the rear side of the unit main body, and displaying the display unit normally. And a display determining step of determining whether or not the display has been performed.

According to a second aspect of the present invention, in a method of reusing a film unit with a lens incorporating a date unit, a front cover removing step of removing a front cover covering a front surface of a unit body to which the date unit is attached, For removing the cover after removing the cover after covering the rear surface, resetting the data of the date unit, and determining whether to display all the segments constituting the display unit as data to be displayed on the display unit of the date unit. A determination data input step of inputting data to the date unit, and releasing the sector blades of the shutter device in a state where light is applied from the front of the unit main body, confirming the display of the display unit from the rear side of the unit main body, Determine whether the display on the display is normal A display determination step, a setting data input step of inputting setting data to the date unit determined to be non-defective in the display determination step, and confirming the display of the date unit from the rear side of the unit body, and the display on the display unit is normal. And a setting display determining step of determining whether or not the setting has been performed.

According to a third aspect of the present invention, there is provided a method of reusing a film unit with a lens having a built-in date unit, wherein a front cover removing step of removing a front cover covering a front surface of a unit body to which the date unit is attached; A front cover mounting step of mounting the front cover on the main body, and electrically connecting a pin of the data input device to a terminal provided on the date unit through a hole provided in the front cover, and inputting setting data to the date unit. A setting data input step, and a setting display determining step of checking the display on the display unit of the date unit and determining whether the display of the display unit is normally performed based on the data input in the setting data input step. It is characterized by having.

According to a fourth aspect of the present invention, there is provided a method of reusing a film unit with a lens having a built-in date unit, wherein a front cover removing step of removing a front cover covering a front surface of a unit body to which the date unit is attached; A front cover attaching step of attaching the front cover to the terminal provided on the date unit via a hole provided in the front cover, electrically connecting a pin of the data inspection device, and displaying as data to be displayed on the date unit. A determination data input step of inputting determination data for displaying all the segments constituting the display unit, and checking the display of the display unit of the date unit to determine whether the display of the display unit is normally performed. Display determination step, and the data provided to the terminal provided on the date unit through the hole provided in the front cover. Electrically connect the pins of the force device, a setting data input step of inputting setting data to the date unit, confirming the display of the display unit of the date unit, based on the data input in the setting data input step, A setting display determining step of determining whether or not the display on the display unit is normally performed.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a lens-fitted film unit according to an embodiment of the present invention and a method for reusing the same will be described in detail with reference to the drawings. (Embodiment 1) FIG. 1 is an exploded perspective view showing the configuration of a film unit with a lens incorporating a reuse date unit (details will be described later) according to Embodiment 1 of the present invention, and FIG. FIG. 3 is a longitudinal sectional view of the film unit with the lens, and FIG. 4 is a front view of the unit body constituting the film unit with the lens, with a photographic lens and the like removed. FIG. 5 is a view showing a date imprinting optical system using the date unit of the film unit with the lens, and FIG.
FIG. 7 is a perspective view of a shutter unit, a date unit, and the like that constitute the film unit with the lens. FIG. 7 is a plan view showing the configuration of main parts of a release mechanism, a shutter charging mechanism, and a film counter mechanism that constitute the film unit with the lens. FIG. 8 is a plan view showing a configuration of a main part of the release mechanism and the shutter charging mechanism, FIG. 9 is a schematic explanatory view showing a configuration for performing a display confirmation process of the date unit, and FIG. 10 is a partially enlarged view of the date unit. 11 is a flowchart for explaining a reuse method of the film unit with the lens.

As shown in FIGS. 1 to 3, a film unit with a lens 1 according to the first embodiment includes a unit body 3 in which an unexposed film 2 is previously mounted and various photographing mechanisms are mounted. 3 has a front cover 4 for covering the unit body 3 from the front and a rear cover 5 for covering the unit body 3 from the back.

The unit body 3 includes a body base 3A, a shutter unit (shutter mechanism) 6, a strobe unit (strobe device) 7, a release mechanism 8, a shutter charging mechanism 9, a film winding mechanism 11, a film And a counter mechanism 12.

Film 2 incorporated in unit body 3
And a patrone chamber 16 in which the patrone 13 is arranged with a predetermined opening and a frame-shaped photographing frame 15 interposed therebetween, which is drawn out of the patrone 13 at the time of manufacture and is once wound around a spool 14 in an unexposed state. It is wound around a film roll chamber 17 provided on the opposite side.

At the time of photographing, the film 2 is wound around the cartridge 13 every time one frame has been photographed. When the photographing of a predetermined number of frames is completed, all of the film 2 is stored in the patrone 13 in the patrone room 16.

The shutter unit 6 is composed of two photographing lenses 18a and 18b each having a relatively bright F-number, a shutter plate 21 made of a metal plate having a thickness of about 0.4 mm and performing opening and closing operations, and a film. An opening 22a for transmitting a subject image formed on the surface has a shutter base plate 22 formed at the center.

The photographing lenses 18a and 18b are inserted into a photographing lens holding frame 28, and are held by engaging a lens presser 29 with the photographing lens holding frame 28.

The shutter blade 21 is fitted on a rotating shaft 22b provided upright on the shutter base plate 22, and rotates.

A forked portion 21b is provided at the tip of the shutter blade 21.
The shutter drive pin 23a at the tip of the shutter lever 23 is engaged, and at the time of shutter release, a triangular kicking portion 33a provided on the charge lever 33 is operated by the shutter lever 23 as described later. 23 rising part 2
3b, the shutter lever 23 rapidly rotates clockwise against the pulling force of a shutter spring (not shown), and then rotates counterclockwise by the pulling force of the shutter spring. Shooting lens 18
The light beams from a and 18b are opened and closed (see FIGS. 7 and 8).

The strobe unit 7 includes an operation member 25
Is turned on or off by manually operating. The operation member 25 is superimposed on the strobe unit 7 and, by further attaching the front cover 4, is held together with the strobe unit 7 and can slide freely in the left-right direction.

On the printed circuit board 26 of the strobe unit 7, a main switch 27 for turning on the power of the strobe circuit and activating the strobe circuit is arranged. The main switch 27 is formed from a conductive metal plate, and has a forked portion at the end. Then, as shown in FIG. 2, the rib 25b provided on the back surface of the operation member 25
When the main switch 27 is pressed, the forked portion at the tip of the main switch 27 comes into contact with the two conductive patterns provided on the printed circuit board 26, and power is supplied from the battery (power supply) 30 to turn on the strobe circuit. Become.

That is, when the operating member 25 is slid to the left as shown in FIG. 4, the main switch 27 is turned off, and when the operating member 25 is slid to the right, the main switch 27 is turned off. Turns on.

As shown in FIGS. 1, 4, 5, 7, and 8, the release mechanism 8 and the shutter charging mechanism 9
It has a shutter release plate 31, a regulating member 32 having a two-stage cam, a charge lever 33 rotatably fitted to a charge lever shaft, a cam stopper 34, and a winding stopper 35.

The shutter release plate 31 is disposed above a counter member 41, which will be described later, and is pressed by a shutter 311 when the shutter is released.
2, the pressed portion 31 protruding from the back side of the pressed portion 311
And a release pin (not shown) which is operated by hitting the hoisting stopper 35 by pressing 1.

The restricting member 32 has a cam 321 having a groove 321a which is fitted to the protrusion 34a of the cam stopper 34.
A fan-shaped cam 322 arranged at the lower portion on the opposite side of the groove portion 321a and having the same diameter as the cam 321;
One-tooth gear 323 provided with a V-groove that meshes with the twelve teeth
And is coaxial with a sprocket gear (not shown) that rotates via the film 2 with the rotation of the winding knob 36.

The charge lever 33 is urged counterclockwise by a charge lever spring 37.

The cam stopper 34 is urged by a charge lever spring 37 to rotate clockwise with respect to the charge lever 33.

When charging is completed, the cam stopper 3
The fourth protrusion 34a is fitted into the groove 321a of the regulating member 32.

When the winding is completed, the V-shaped projection 35a at the tip of the winding stopper 35 biases the winding stopper spring 38 in the clockwise direction.
Of the ratchet gear 36a, thereby preventing the hoisting knob 36 from rotating in the counterclockwise direction.

At the time of release, when the pressed portion 311 is pressed, the end of the release pin contacts the hoisting stopper 35, and the hoisting stopper 35 rotates counterclockwise against the spring force of the hoisting stopper spring 38, so that the charge lever 33 is rotated.
The edge of the arm part is disengaged, the charge lever 33 and the cam stopper 34 rotate counterclockwise by the spring force of the charge lever spring 37, and the triangular kicking portion 33a provided on the charge lever 33 is moved by the shutter lever. 23
, The shutter blade 21 is driven. By this rotation, the protruding portion 34a of the cam stopper 34 comes off the groove 321a of the regulating member 32.

[0030] The film counter mechanism 12
Has a counter member 41 which rotates in synchronization with the winding of the film 2 and indicates the number of photographable frames of the film 2.

The counter member 41 is, as shown in FIG.
A disc-shaped index plate 411 on the surface of which characters corresponding to the number of images are displayed, and an index plate gear 41 having teeth formed on the outer periphery
2, the shaft 413 and the protrusion 414 are integrally formed.

The counter member 41 includes a V-shaped groove of the one-tooth gear 323 of the regulating member 32 which rotates during winding and the index plate gear 4.
Twelve teeth mesh with each other to rotate by one frame.

The lens-equipped film unit according to the first embodiment further includes a date imprinting mechanism for imprinting date data including the date on the film 2.
That is, as shown in FIGS. 2, 3, 5, and 6, the date imprinting mechanism includes a light-transmitting light-collecting member 51 attached so as to penetrate the front cover 4 and a photographing lens holding frame 28.
Using a liquid crystal detachably attached as shown in FIG.
A date unit 61 having a date display section 62 for displaying date data of the date, and a date imaging lens 5 attached to a corner of the photographing frame 15 via a lens holding member 53.
2 form an optical system for imprinting the date on the film 2 at a predetermined position on the film 2.

As shown in FIG. 6, the date unit 61 has test terminals 61a and 61b for confirming operation at the edges.
And a date data input terminal 61c.

In the date unit 61, a date battery 63 can be inserted from the lid 64, and a date circuit 65 with a calendar function for displaying date data on the date display unit 62. It has.

The inner end face of the light condensing member 51 is brought into contact with or close to the date display section 62.

The shutter base plate 22 and the taking lens holding frame 28 are provided with openings 22c and 28c at positions corresponding to the date display section 62, respectively.
An optical path between the second imaging lens 52 and the date imaging lens 52 is secured.

The date blade 21c is projected integrally with the shutter blade 21, and the date display unit 62 and the date imaging lens 52 are rotated by the date blade 21c in conjunction with the opening / closing operation of the shutter blade 21. The optical path between them is released or blocked.

As shown in FIG. 6, the photographing lens holding frame 28 is provided with a pair of positioning projections 28d and 28e arranged vertically above and below the opening 28c. A positioning groove 61d and a positioning hole 61e are provided at positions corresponding to the protrusions 28d and 28e.

The positioning groove 61d of the date unit 61 is engaged with the positioning projection 28d, and the positioning hole 61e is fitted into the positioning projection 28e.
The date unit 61 is attached to the taking lens holding frame 28 while being positioned, and the date display unit 62 faces the opening 28c in this state.

Next, a method of reusing the film unit with lens 1 having the above-described configuration will be described mainly with reference to the operation confirmation and display confirmation steps of the date unit 61 in FIG.
This will be described with reference to FIG.

As shown in FIG. 11, the date unit 61
After the film unit with a lens 1 incorporating the lens is collected by the end of photographing, a label (not shown) attached to the front cover 4 or the rear cover 5 of the film unit with a lens 1 is peeled off, and The cover 4 and the rear cover 5 are removed from the unit body 3.

Next, the date of manufacture is confirmed by looking at the date of manufacture column 61f shown in FIG. 6 attached to the date unit 61 attached to the unit body 3 from which the front cover 4 and the rear cover 5 have been removed. , Is determined to be reusable.

Next, the date battery 63 is replaced with a new date battery 63 for the date unit 61 determined to be reusable.

As a result, the power supply to the date circuit 65 of the date unit 61 is temporarily cut off, and the date circuit 6
After resetting the operation of the battery 5, the new dating battery 63
Power supply is started. Thus, the resetting process of the date circuit 65 can also be performed by the replacing process of the date battery 63, and the reuse process can be simplified.

When the date of use of the date battery 63 can be confirmed at the same time as the date of manufacture, and when the life of the date battery 63 is sufficiently longer than the expiration date of the film unit with a lens newly manufactured, Alternatively, the battery may be used without replacement. In this case, a reset signal is input to the date unit 61 to perform reset.

Next, the operation confirmation terminal 61 shown in FIG.
The data input inspection device 80 checks whether the date circuit 65 is operating properly by applying pins 81, 82, and 83, which are inspection members of the inspection device 80, to a, 61b, and 61c. Note that this operation confirmation step can be omitted.

Next, the pin 8 of the data input inspection device 80
In the state where 1, 82, and 83 are applied to the terminals 61a, 61b, and 61c, determination data (for example, 88 having a seven-segment configuration of 88) in which all the segments constituting the date display unit 62 are displayed (transmitted) as check data. 88
88), the shutter blades 21 are released in a state where light is applied from the front of the data unit, and the date display unit 62 is imaged by the image pickup device placed at a position corresponding to the date recording unit of the film 2. Accordingly, the garbled test of the date display unit 62 is performed, and it is determined whether or not the display of the date display unit 62 is correctly performed (pass / fail judgment).

Next, the date unit 6 determined to be non-defective
In response to the number 1, the pin 83 of the data input device 80 is again applied to the terminal 61c, and numerical data of "0.4.1," which is April 1, 2000, which is setting data, is input.

The numeric data is sent from the terminal 61c to the date circuit 65, whereby the date display section 62
Is displayed as shown in FIG. 10B.

In this case, the date of the destination (exporting country) of the film unit with the lens is taken into consideration as the set data, and the date different from the numerical data representing the date when the date is input at the manufacturing location is considered. By inputting, it is also possible to make a film unit with a lens for each destination country.

Next, the front cover 4 is attached to the unit body 3.

Next, using the function inspection device 71 shown in FIG. 9, the display data of the date display section 62 of the date unit 61 is checked (the pass / fail judgment) at the same time as the inspection of the shutter blades 21 of the shutter unit 6. .

The function inspection device 71 includes a light source (light emitting means) 72 and a lens 73 arranged in front of the unit main body 3 so as to face the photographing lenses 18a and 18b.
The optical sensor (light receiving means) 74 including a photodiode and the like, which is disposed in the extension of the optical axis X of the photographing lenses 18a and 18b, and a shutter speed measuring unit 75, and a CCD facing the date image forming lens 52 And the like, and a date detection display unit 77 connected to the image sensor 76.

Then, the shutter blades 21 of the shutter unit 6 are opened and closed, and the light from the light source 52 at this time is received by the optical sensor 74 via the lens 73 and the photographing lenses 18a and 18b. Part 7
5 to measure the shutter speed of the shutter blade 21.

At the same time, as the shutter blade 21 opens and closes, the date blade 21c opens and closes the optical path between the date display unit 62 and the date imaging lens 52.
Utilizing the incidence of the light of the light collecting member 51 on the date display unit 62 when the date blade 21 c is opened, the light flux from the date display unit 62 is transmitted to the image sensor 76 via the date imaging lens 52. The date detection display unit 77 causes the image data detected by the image sensor 76 to be displayed, and the display data on the date display unit 62 is confirmed (whether the quality is good or bad).

In this case, for example, the display data of the date display section 62 is compared with reference information (for example, numerical display data of 7 segments) to confirm the display data.

The image data from the image sensor 76 may be image-processed and automatically compared with the reference data.

Next, loading of the film 2 into the unit main body 3, mounting of the battery 30 to the strobe unit 7, and mounting of the rear cover 5 to the unit main body 3 are performed.

As described above, according to the first embodiment, the operation of the date unit 61 and the date display unit 6 are reset without removing the date unit 61 incorporated in the photographed film unit with lens.
2. Confirmation of the display function 2 and confirmation of the setting data to be displayed on the date display section 62 after the front cover 4 and a film unit with a lens incorporating a reused date unit 61 capable of recording accurate date data. Can be efficiently reproduced, which is effective from the viewpoint of resource saving.

In particular, according to the first embodiment, after the front cover 4 is attached, the date blade 21 c is opened, and the setting data of the date display section 62 is displayed using the image sensor 76 and the date detection display section 77. Confirm the display of,
The accuracy of the date data display of the reuse date unit 61 can be improved. (Embodiment 2) FIG. 12 is a flowchart for explaining a method of reusing a lens-fitted film unit according to Embodiment 2 of the present invention.

In the second embodiment, the order of the reuse process is substantially the same as that in the first embodiment. However, the rear cover 5 is removed first, and the shutter unit is operated to open the date blade 21c. The display of the display data of the date display section 62 is confirmed (pass / fail judgment) from the rear side of the unit body 3.

In this case, the display data of the date display unit 62 is visually recognized through the date imaging lens 52 using the light incident on the date display unit 62 from the light condensing member 51.

As described above, by inspecting the date display section 62 before the front cover 4 is removed, the quality of the date unit 61 can be determined at an early stage, so that the work efficiency in the next and subsequent steps can be improved.

According to the second embodiment, the date data displayed on the date display section 62 can be checked on the rear side of the unit main body 3 without removing the date unit 61 incorporated in the film unit with the taken lens. In addition, the operation of the date unit 61 is reset, the display function of the date display unit 62 is checked, and the setting data to be displayed on the date display unit 62 is checked after the front cover 4 is attached. Can be efficiently reproduced from a lens-equipped film unit incorporating a reused date unit 61 in which date data is recorded, which is effective from the viewpoint of resource saving. (Embodiment 3) FIG. 13 is a flowchart for explaining a method of reusing a lens-fitted film unit according to Embodiment 3 of the present invention.

In the third embodiment, the check data input, the garbled check, and the setting data input, which were performed before the front cover 4 was attached to the unit body 3 in the first embodiment, are connected to the unit body 3 by the front cover 4. This is done after installation.

Specifically, the steps up to the resetting step by replacing the date battery 63 are performed in the same manner as in the first embodiment, and then the front cover 4 is attached to the unit body 3.

Next, the pins 81, 82, 83 of the data input inspection device 80 are connected via pin insertion holes provided in portions corresponding to the front surfaces of the terminals 61a, 61b, 61c of the date unit 61 of the front cover 4. Then, the operation of the date circuit 65 is confirmed. Next, after inputting the same check data as in the first embodiment, the shutter blade 21 is opened and closed, and the date blade 21c is opened. Then, the garbled inspection of the date display unit 62 is performed, and numerical data which is the setting data is input again from the data input inspection device 80 as to the above-described shutter blades for those determined to be non-defective. 21
The date blade 21c is opened with the opening / closing of, and the display data of the date display unit 62 is checked (good / bad judgment) in the function test 71.

Next, the film 2 is loaded into the unit main body 3, the battery 30 is mounted on the strobe unit 7, the rear cover 5 is mounted on the unit main body 3, and the pin insertion hole of the front cover 4 is inserted into the decorative label. Cover with.

As described above, according to the third embodiment, the front cover 4 is attached to the unit main body 3, and the date unit 61 attached to the unit main body 3 is securely held by the front cover 4. Enter check data,
Since garbled inspection and setting data input are performed,
Each inspection can be performed even when the posture of the unit body 3 at the time of inspection is the same as that of the case where the lens optical axis is horizontal, and the degree of freedom of the manufacturing process can be increased.

Also in the third embodiment, the date unit 61 capable of recording accurate date data without detaching the date unit 61 incorporated in the film unit with the photographed lens is incorporated. The lens-equipped film unit can be efficiently reproduced, which is effective from the viewpoint of resource saving.

[0072]

According to the first aspect of the present invention, the suitability of reuse of a date unit once used is determined in a simple process, and a film unit with a lens is reproduced and provided using a reusable date unit. It is possible to provide a method of reusing a lens-fitted film unit.

According to the second aspect of the present invention, the date data displayed on the date display section is confirmed from the back side of the unit main body without removing the used date unit from the unit main body. Reset the operation of the date unit, check the display function of the date display,
Check the setting data after installing the front cover and
A lens unit with a lens that incorporates a reused date unit that displays accurate date, date, and time data can be played back efficiently, providing an effective method of reusing a lens unit with a lens from the viewpoint of resource saving. can do.

According to the third aspect of the present invention, the date display section is checked without removing the date unit, and a film unit with a lens incorporating a date unit capable of recording accurate date data is provided. It is possible to provide a method for reusing a lens-equipped film unit capable of efficiently reproducing.

According to the fourth aspect of the present invention, a date unit capable of recording accurate date data by confirming the operation of the segment of the date display section and confirming the data display without removing the date unit. It is possible to provide a method of reusing a film unit with a lens which can efficiently reproduce the film unit with a lens incorporated therein.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view showing a configuration of a film unit with a lens according to Embodiment 1 of the present invention.

FIG. 2 is a cross-sectional view of the film unit with the lens as viewed from a lower surface side.

FIG. 3 is a longitudinal sectional view of the film unit with the lens.

FIG. 4 is a front view showing a unit main body constituting the film unit with the lens with a taking lens and the like removed.

FIG. 5 is a diagram showing a date imprinting optical system using a date unit of the film unit with the lens.

FIG. 6 is a perspective view of a shutter unit, a date unit, and the like constituting the film unit with the lens.

FIG. 7 is a plan view showing a configuration of a main part of a release mechanism, a shutter charging mechanism, and a film counter mechanism which constitute the unit main body.

FIG. 8 is a plan view showing a configuration of a main part of the release mechanism and a shutter charging mechanism.

FIG. 9 is a schematic explanatory view showing a configuration for performing a display confirmation step of a date unit of the film unit with the lens.

FIG. 10 is a partially enlarged view of a date unit of the film unit with the lens.

FIG. 11 is a flowchart illustrating a reuse method according to the first embodiment of the film unit with the lens.

FIG. 12 is a second embodiment of a film unit with a lens.
6 is a flowchart for explaining a reuse method of FIG.

FIG. 13 is a third embodiment of a film unit with a lens.
6 is a flowchart for explaining a reuse method of FIG.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Film unit with a lens 2 Film 3 Unit main body 4 Front cover 5 Rear cover 6 Shutter unit 7 Strobe unit 8 Release mechanism 9 Shutter charging mechanism 11 Film winding mechanism 15 Shooting frame 21c Date wing part 30 Battery 51 Light collecting member 52 Date Imaging lens for lens 53 Lens holding member 61 Date unit 61a, 61b Terminal 61c Terminal 61f Date of manufacture display column 62 Date display unit 63 Battery for date 65 Date circuit 71 Function inspection device 72 Light source 73 Lens 74 Optical sensor 75 Shutter speed detector 76 Image sensor 77 Date detection display

──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI Theme coat ゛ (Reference) G03B 15/00 G03B 15/00 X

Claims (4)

[Claims] 1. A method of reusing a lens-equipped film unit incorporating a date unit, comprising: a front cover removing step of removing a front cover covering a front surface of a unit body to which the date unit is attached; and a rear cover covering a rear surface of the unit body. After removing the cover, the sector blades of the shutter device are released in a state where light hits from the front of the unit main body, and the display of the display unit of the date unit is confirmed from the rear side of the unit main body,
A display determining step of determining whether or not the display on the display unit is normally performed; and a method of reusing a film unit with a lens. 2. A method of reusing a lens-equipped film unit incorporating a date unit, comprising: a front cover removing step of removing a front cover covering a front surface of a unit body to which the date unit is attached; and a rear cover covering a rear surface of the unit body. After removing the cover, a step of resetting the date unit data, and a reset step of resetting the date unit data, as data to be displayed on the display unit of the date unit, input to the date unit judgment data for displaying all the segments constituting the display unit. A determination data input step, and releasing the sector blades of the shutter device in a state where light is applied from the front of the unit main body, confirming the display of the display unit from the rear side of the unit main body, and displaying the display unit normally. A display determination step for determining whether the A setting data input step of inputting setting data to the date unit determined to be non-defective in the indication determination step, and confirming the display of the date unit from the rear side of the unit body, and confirming that the display on the display unit is normally performed. A setting display determining step of determining whether or not the film unit with a lens is reused. 3. A method of reusing a film unit with a lens having a built-in date unit, comprising: a front cover removing step of removing a front cover covering a front surface of a unit body to which the date unit is attached; and attaching the front cover to the unit body. A front cover attaching step, a setting data input step of electrically connecting a pin of a data input device to a terminal provided on the date unit through a hole provided in the front cover, and inputting setting data to the date unit, Setting display determining step of checking the display of the display unit of the date unit and determining whether the display of the display unit is normally performed based on the data input in the setting data input step. Reusing method of film unit with lens characterized by the following. 4. A method of reusing a film unit with a lens incorporating a date unit, the method comprising: removing a front cover covering a front surface of a unit body to which the date unit is attached; and removing the front cover from the unit body. A cover attaching step, and electrically connecting a pin of the data inspection device to a terminal provided on the date unit via a hole provided in the front cover, and as a data to be displayed on the date unit, all segments constituting the display unit. A determination data input step of inputting determination data for displaying a display state, a display determination step of checking the display of the display unit of the date unit and determining whether the display of the display unit is normally performed, Connect the pin of the data input device to the terminal provided on the date unit through the hole provided on the front cover. A setting data input step of inputting setting data to the date unit, and confirming a display on the display unit of the date unit, and displaying the display unit normally based on the data input in the setting data input step. And a setting display determining step of determining whether or not the film unit is mounted on the lens unit.