JP2554763B2 - Simple printer - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a simple printer, and more particularly to a simple printer optimal for use as a teaching material.

[Conventional technology]

Conventionally, various hobby enlargers capable of printing and exposing in a bright room have been provided.

[Problems to be Solved by the Invention]

However, since the above-mentioned stretcher is precisely made and is expensive, and requires AC100V as a power source, it is unsuitable for easy use anywhere as a teaching material.

The present invention solves the above-mentioned problems, has a simple structure and is inexpensive, can be easily used anywhere such as printing using a general dry battery, and its structure can be easily understood. The purpose is to provide a printer.

[Means for solving the problem]

In order to achieve the above object, the present invention provides a lamp house having a built-in lamp, a power supply battery for lighting the lamp,
A diffuser house that diffuses the light of the lamp, a film carrier house that sets the image of the photographic film at the exposure position, a lens house with a printing lens, a photographic paper holder that holds the photographic paper, and a photographic paper holder attached to this photographic paper holder And a light-shielding cover that shields the emulsion surface of the photographic paper from light,
The main body house for holding the lens house is provided above the light-shielding cover of the photographic paper holder. Each of these houses and the holder are constructed separately, and they are sequentially stacked and used.

According to another invention, a plurality of types of the above lens house are provided so that the printing magnification can be different, and at the time of use, it is possible to select from them and replace them in combination.

[Action]

When assembling the simple printer, the main body house is placed on the photographic paper holder, and the main body house is the lens house, and the lens house is the film carrier house.
A diffuser house is used for the film calorie house.
Lamp houses are stacked and set in the diffuser house.

And when printing, after removing the light-blocking lid,
Let the lamp emit light for a predetermined time. As a result, the image of the photographic film can be printed and exposed on the photographic paper.

〔Example〕

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

As shown in FIG. 1, the simple printer of this embodiment is roughly divided into a lamp house 10 and a diffuser house 11.
, Film carrier house 12, lens house 13,
It is composed of a main body house 14 and a printing paper holder 15.

The lamp house 10 is formed in a rectangular box shape as a whole, and its opening 10A faces downward. A reflector 18 and a lamp 19 set at the center of the reflector 18 are arranged in the house. As the reflector 18 and the lamp 19, the reflector umbrella of a bicycle lamp that is commercially available in a large amount and the pyriken light bulb for a hand lamp are diverted to reduce the cost of parts. The lamp 19 is connected to the battery box 21 via a connection cord 20. Battery box 21
Is connected to a switch 22, which arbitrarily controls the light emission time of the lamp 22 to adjust the exposure amount. The switch 22 is provided to improve operability.
A type in which the user holds the button in the palm and pushes the button with the thumb is used, but other switches may be used.
The lamp 19 used is, for example, 7.2 V, and six single dry batteries 23 are set in series in the battery box 21. In this way, the operating voltage is about 10V or less, and it is safe to handle as a teaching material.

As shown in FIG. 2, the diffuser house 11 on which the lamp house 10 is stacked is for evenly diffusing the light of the lamp 19, and two diffuser plates 24 and 25 are provided at one end of the rectangular tube 11A. It is provided. The diffusion plates 24 and 25 are made of milky white translucent acrylic opal. The upper diffusion plate 24 also has a function of a stopper for the lamp house 10 when the lamp house 10 is stacked in the diffuser house 11. Further, the diffuser house 11 may have a color correction filter for color printing, and has a function as a filter house.

The film carrier house 12 has a rectangular tube 12A provided with an insertion opening 12B into which the film carrier 27 is inserted. Flanges 28 and 29 for securely holding the film carrier 27 are formed around the insertion opening 12B, and the upper flange 28 functions as a stopper when the diffuser houses 11 are stacked.

In order to hold the negative film 30, the film carrier 27 is formed by folding both side edges 27A inward, and has an opening for exposing each screen of the negative film 30 in the center. 27B is provided. A strip-shaped negative film 30 cut into every 6 frames is set on the film carrier 27, but a negative film having a length of one line may be set in addition to this. 4 openings 27B
The film carrier 27 is formed in a rectangular shape having a length of a frame, and the film carrier 27 is inserted into the insertion hole 12B of the film carrier house 12.
By moving inside, you can easily set the next screen to the print position. The corner of the insertion side end of the film carrier 27 is obliquely cut out, and the insertion port 12B
Can be easily inserted into.

In the lens house 13, a partition plate 13B is provided at the center of a square tube 13A, and a lens 33 is attached to the center position of the partition plate 13B. The lens 33 is a plastic lens used for a disposable camera, for example, "Shashinrun Hi" (trade name) manufactured by Fuji Photo Film Co., Ltd., and the cost of parts is reduced. The lens 33 is mounted in the mounting recess 13C of the partition plate 13B by a mounting member 34 having a diaphragm function.

The main body house 14 is composed of a trumpet-shaped cylindrical body in which the top of a pyramid is cut off, and a flange for a stopper on which the lower part of the lens house 13 is placed at the peripheral portion of its upper opening 14A.
14B is formed. In addition, there is a viewing window 3 in the main house 14.
5 is provided with a semi-transparent filter member 3
6 is attached. The filter member 36 blocks the intrusion of external light that affects the printing light into the house, and at the time of printing the image of the negative film 30, enables the observation of its position and the like. The observation window 35 may be provided with an openable / closable light-shielding cover that shields external light.

The photographic paper holder 15 includes a cover member 15 provided with a light shielding lid 37.
A and a base member 15C that is openably and closably attached thereto via a hinge 15B have a box shape, and the photographic printing paper 40 is set flat between the base member 15C and the cover member 15A. The light shielding lid 37 is attached so as to be freely pulled out from the cover member 15A. As the photographic printing paper 40, a cabinet-sized one is used, but other sizes may be used.

The houses 10, 11, 12, 13 and 14 are stacked on the photographic paper holder 15 in order from the largest house, and after the assembly is completed, the whole is in a pyramid shape. Therefore, anyone can easily assemble it and it is ideal as a teaching material.

 Next, the operation of this embodiment will be described.

First, the main body house 14 on the photographic paper holder 15, the lens house 13 on the main body house 14, the film carrier house 12 on the lens house 13, and the film carrier house
Assemble the printer by stacking and setting the diffuser house 11 on 12 and the lamp house 10 on the diffuser house 11. Next, the lamp house
Connect the battery box 21 and the switch 22 to 10.

Next, the film carrier 27 and the negative film 30 are set, and this is put into the insertion opening 12B of the film carrier house 12. Then, turn on the switch 22 and observe the projected image of the print target frame of the negative film 30 through the viewing window 35,
The filter carrier 27 is moved to adjust its position.
Next, take out the light-shielding lid 37 from the photographic paper holder 15, then turn on the switch 22 for a predetermined time to turn on the lamp 19,
Perform printing exposure. When the printing exposure is completed, the light shielding lid 37 is returned to the photographic paper holder 15, and the main body house 14 is removed from the photographic paper holder 15. Then, the photographic paper 40 is taken out of the photographic paper holder 15 and developed in a dark room or a dark box. When printing again, after setting the photographic paper 40 in the photographic paper holder 15 in a dark room or the like, the main body house 14 is set in the photographic paper holder 15 and printing is performed in the same manner as above.

It is also possible to set a color correction filter for color printing in the diffuser house 11 and perform color printing from a color negative film to color photographic paper.

In addition, the lens house 13 has a plurality of types that can have different printing magnifications, such as different lens positions and heights, or lenses having different focal lengths. These may be selected and combined to learn the different cases.

〔The invention's effect〕

As described above, in the present invention, the lamp house, the diffuser house, the film carrier house, the lens house, the main body house, the photographic paper holder, and the like are configured separately, so that the printer configuration can be easily understood, and it is ideal as a teaching material. Will be things. In addition, each house can be simply assembled in order from the largest one, and can be easily assembled, and the mistake of connecting the houses can be prevented. Furthermore, by using parts of other mass-marketed lenses and lamps, the cost of parts is reduced, and because AC power supply is not required, it can be used safely anywhere, such as low cost and convenient teaching materials. Can be provided as.

[Brief description of drawings]

FIG. 1 is a perspective view showing the overall configuration of a simple printer embodying the present invention. FIG. 2 is a cross-sectional view showing the same simple printer in an exploded manner. 10 …… Lamp house 11 …… Diffuser house 12 …… Film carrier house 13 …… Lens house 14 …… Main body house 15 …… Print paper holder 19 …… Lamp 21 …… Battery box 22 …… Switch 30 …… Negative film 33 …… Baking lens 35 …… Peep window 37 …… Shade cover 40 …… Print paper.

Claims (2)

(57) [Claims] 1. An image recorded on a photographic film is certified by a lamp, the certified image is formed on a photosensitive emulsion surface of photographic paper through a printing lens, and the screen is printed on the photographic paper by exposure. In the simple printer, a lamp house containing the lamp, a power supply battery for lighting the lamp, a diffuser house for diffusing the light of the lamp, a film carrier house for setting an image of a photographic film at an exposure position, and the printing lens A lens house, a photographic paper holder that holds the photographic paper, a light-shielding lid that is attached to the photographic paper holder to shield the emulsion surface of the photographic paper from light, and a lens house above the light-shielding lid of the photographic paper holder. It consists of a main body house to hold, and each house and holder are configured separately,
A simple printer characterized by sequentially stacking and using these respective houses and holders. 2. The simple printer according to claim 1, wherein a plurality of types of the lens house are provided so that the printing magnification can be different, and the combination can be selected and used in combination when used.