Photographic camera with built-in E.sup.2 PROM

Details Photographic camera with built-in E.sup.2 PROM Photographic camera with built-in E.sup.2 PROM

1988-11-08

1990-03-27

Perkey, W. B.

35428912, G03B 1736

Patent

active

049124927

ABSTRACT:
A data rewriting apparatus for a photographic camera, which comprises a film speed reading unit for automatically reading the film speed recorded on a container of a film in use; a first memory including RAM for the storage of the film speed; a second memory including E.sup.2 PROM for the storage of the film speed; a rewriting unit for rewriting a value stored in the first memory to a value stored in the second memory; a comparator for comparing the value stored in the second memory with that stored in the first memory; and a rewrite control unit for inhibiting the rewriting of the second rewriting unit when the comparator indicates that the value stored in the second memory is identical with that stored in the first memory.

REFERENCES:
patent: 4500183 (1985-02-01), Tanikawa
patent: 4593983 (1986-06-01), Launie et al.
patent: 4692005 (1987-09-01), Takami
patent: 4728978 (1988-03-01), Inoue et al.

Affiliated with

Also associated with

Rating

Photographic camera with built-in E.sup.2 PROM does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Photographic camera with built-in E.sup.2 PROM, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Photographic camera with built-in E.sup.2 PROM will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1654315