Method and apparatus for preventing unauthorized recycling of si

Details Method and apparatus for preventing unauthorized recycling of si Method and apparatus for preventing unauthorized recycling of si

1996-09-13

1998-06-02

Gray, David M.

Photography

Disposable or recyclable camera

396297, G03B 1702

Patent

active

RE0358177

ABSTRACT:
When an exposure counter in a single-use camera indicates that the maximum number of exposures on a roll of film in the camera have been exposed, a function of the camera such as an electronic flash capability is disabled to prevent unauthorized recycling of the camera. A reset code must be inputted to the camera to initialize the exposure counter and to enable the electronic flash capability, to permit authorized reuse of the camera with another roll of film.

REFERENCES:
patent: 4230400 (1980-10-01), Wick et al.
patent: 4509093 (1985-04-01), Stellberger
patent: 4904993 (1990-02-01), Sato
patent: 4959676 (1990-09-01), Matsuda et al.
patent: 5021811 (1991-06-01), Maurinus et al.
patent: 5235366 (1993-08-01), Kucmerowski
patent: 5418585 (1995-05-01), Petruchik et al.

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