KR19990064782A - method how develope used parts of film and reuse unused parts of film with film magazine that can record the length of film which has been taken out and check it later - Google Patents

Abstract

(1) Field of invention

Camera film development

(2) Purpose of the invention

Camera film that is currently in circulation does not use up the entire film but is developed after shooting with only a part of the film. When the unused part of the film is used, it is lost in the developing process. Although not used, it could not be used again, and to avoid this, the user had to postpone the development or give up part of the unused film until the user used up the whole film later.

It is an object of the present invention to improve this point so that even after a film is used, even if a part of the film is not used, only the used part is developed and the unused part can be stored and reused again in the original film magazine.

(3) Composition of invention

When taking a picture, the film is taken out of the magazine and developed using the improved film magazine that shows the length of the film rewound by the camera operation. .

(4) effects of the invention

1. Only the used part of the entire film can be developed.

2. Unused parts of the entire film can be reused.

Description

How to develop and recycle unused parts of a film with a film magazine that remembers and confirms the length of the film that has been reeled out of the film magazine and then rewound {method how develope used parts of film and reuse unused parts of film with film magazine that can record the length of film which has been taken out and check it later}

Conventional film magazine is composed of the outer body that acts as a dark room, the reel winding film, and the film is relatively simple structure, every time a picture is taken in the shooting process, the film is taken out of the magazine by a certain length. If this process is repeated and the film is used up or the user finishes shooting-without using all of the film and giving up some of the remaining film-the reel of the film magazine is rotated by the camera and the film is reloaded into the magazine. As it is pushed and stored, it is impossible to distinguish between the part where the actual picture is taken and the part that is not taken out of the entire film, and thus the unused part during development is lost in the development process and cannot be reused.

In order to improve this point, the film magazine which can record and confirm the length of the film which reel | extracts and rewinds the existing film magazine and rewound from the magazine is applied for practical use.

All of the film can be separated and separated with minimal development of film loss while developing the used parts without compromising both the used and unused parts of the film, and the unused parts can be used in the original magazine. It must be kept in the condition.

1 is a part of the film using a part of the film, after the film is divided and displayed by the use of other criteria

1. Composition and function of the film magazine to memorize and check the length of the film reeled out of the film magazine: See Utility Model Application No. 20-1999-0007762

2. Detailed description of [FIG. 1]

Compartment '1': When the film is mounted on the camera for shooting, a certain portion of the film is taken out and hanged on the teeth of the camera. Then, the part that is taken out of the magazine is exposed to light in this process.

Section '2': where the film is exposed to light, ie where the picture was taken

Compartment '3': Same as Compartment '2'

Compartment '4': Same as Compartment '2'

Compartment '5': Same as compartment '2'

Compartments between compartments '2', '3', '4', '5': When shooting, there is a certain length of space between the shots to distinguish between them. It is not exposed.

Compartment '6': For automatic cameras, take a picture and the camera will shoot the film for a certain length (the length of the compartment '2' plus the length of the compartment between compartment '2' and '3' for the next shot. It is taken out of the magazine, but it is not present in the general case where it is not exposed to the light and can be retaken, or in the case of the manual camera, the film is moved and developed without taking the film after moving the film.

Section '7': Due to the internal structure of the camera, there is a certain distance from the film magazine to the location where the picture is actually taken.

Compartment '8': part of the magazine which is not used for taking pictures and remains in the magazine continuously

3. Development and Film Recycling Technique

Using the picker in the film magazine described in 1, remove the end of the film from the magazine, fix the movement control device (see utility model described in 1), and pull out the film while blocking the light. Since the movement control device is fixed, up to the section '7' shown in [FIG. 1] exits the magazine and no more exits the magazine. To maximize the recycling rate of the film, check the type of camera used and, in the case of automatic cameras, rewind the film by rotating the magazine reel once to recycle the compartment '6'. The reason for winding here is that the circumference of the reel of the film magazine generally corresponds to one cut of film (compartment 2 length).

Then cut the film out of the magazine slightly in front of the magazine opening. Since there is a section '7', cutting only to the length of the section '7' will not damage the film. Of course, to ensure stability, cut as close to the magazine opening as possible, but the recycling rate of the film is lowered. It is reasonable to cut about 1cm at the magazine entrance because these works are done with the light off and the length of the compartment '7' varies with the camera.

This separates the used and unused parts of the entire film so that the used part is separated from the magazine and the unused part remains in the magazine. Now, the film can be developed using the film separated from the magazine. The developing process is the same as developing the existing film.

However, it should be noted that in order to increase the film recycling rate, the section '1' shown in [Fig. 1] should be disposed as long as possible. After the development, the sections '1' to '5'-may contain section '6' or part of section '7'-with the part of section '1' removed or not The developed film comes out. Here, to increase the film recycling rate, section '1' is removed from the developed film-the part that has been removed if already developed-and connected to the film end of the film magazine where the remaining film is wound. The connection method may be using an adhesive tape or an adhesive. In one connection process, it is important to note that the connection part of the film becomes thick after connection, so that the film entering or exiting the film magazine is prevented. The thickness of the connection should be minimized so that the thickness of the connection does not interfere with film movement.

Then make the end of the film the shape shown in [Figure 1] so that it can be reused-this process is unnecessary if you kept the shape of compartment '1' in [Figure 1]-the part of the film that was not used in the previous shooting. Can be reused.

First, it is possible to distinguish between the film used in the photographing and the film (film remaining) of the unused portion.

Second, only the used part of the entire film is developed at the time of shooting, and the unused part can be stored and reused in the magazine again.

Claims (1)

A film magazine that memorizes the length of the film reeled out of the film magazine and prevents the film longer than the length memorized by the operation from being taken out of the magazine. To make reusable film (magazine).