Camera having e.sup.2 prom

Details Camera having e.sup.2 prom Camera having e.sup.2 prom

1991-06-24

1993-03-30

Griffin, Donald A.

G03B 700

Patent

active

051988500

ABSTRACT:
A camera comprising E.sup.2 PROM storing therein writing data for check sum and a plurality of adjustment data for compensating the control value of the camera to control the camera properly, and capable of electrically rewriting the data and holding the rewritten data still after a power source switch is opened, a comparator for finding the sum total of the writing data for check sum and the adjustment data in response to the closing of the power source switch and comparing the sum total with a predetermined value, and a monitoring device for effecting at least one of warning and release inhibition when the result of the comparison by the comparator is that the sum total is not equal to the predetermined value.

REFERENCES:
patent: 4733265 (1988-03-01), Haraguchi et al.
patent: 4978982 (1990-12-01), Ishikawa et al.
patent: 5053797 (1991-10-01), Samuels et al.

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