Usage control device

Details Usage control device Usage control device

1997-02-20

1999-11-09

Metjahic, Safet

Photography

Self-developing camera

430 19, G03B 1750

Patent

active

059830280

ABSTRACT:
A usage control device is mounted in an electro-developing type camera with an electro-developing recording medium, by which an image is electronically developed. The electro-developing recording medium has an image recording area and a data recording area. The image is electronically developed and recorded in the image recording area. Data which indicates the number of times that a recording operation of the electro-developing recording medium has taken place, is magnetically recorded in the data recording area. The data recording area is composed of a magnetic recording medium, such as a magnetic tape.

REFERENCES:
patent: 4945423 (1990-07-01), Takanashi et al.
patent: 5212556 (1993-05-01), Ogawa
patent: 5424156 (1995-06-01), Aoki et al.
patent: 5488601 (1996-01-01), Sakano et al.
patent: 5489494 (1996-02-01), Hotta et al.
patent: 5497238 (1996-03-01), Sato et al.
patent: 5583670 (1996-12-01), Iijima et al.
patent: 5646927 (1997-07-01), Shimizu et al.

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