Method of making single-use camera with electronic flash unit fr

Details Method of making single-use camera with electronic flash unit fr Method of making single-use camera with electronic flash unit fr

1996-12-18

1998-02-24

Lee, Eddie C.

Photography

Disposable or recyclable camera

396205, 396543, G03B 1503

Patent

active

057219621

ABSTRACT:
A method of making a single-use camera with an electronic flash unit from previously used camera parts, comprising the steps of loading an unexposed-film cassette into a cassette-receiving chamber of a used main body part, locating an electrically conductive area of the film cassette against a pair of spaced electrical contacts of a flash circuit of the flash unit to cause the conductive area to bridge the spaced contacts to complete the flash circuit, and positioning a used rear cover part on the main body part to make the main body part light-tight for unexposed film withdrawn from the cassette. The method discourages unauthorized recycling of the single-use camera.

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patent: 4024557 (1977-05-01), Aoyama et al.
patent: 4077041 (1978-02-01), Imura
patent: 4195921 (1980-04-01), Lermann et al.
patent: 4270851 (1981-06-01), Takazawa et al.
patent: 5136317 (1992-08-01), Goto et al.
patent: 5410378 (1995-04-01), Tasaka et al.
patent: 5436685 (1995-07-01), Yamashina

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