Data processing device for a camera

Details Data processing device for a camera Data processing device for a camera

1994-12-19

1997-03-04

Perkey, W. B.

Photography

With exposure objective focusing means, focusing aid, or...

Processing circuit

371 212, 396147, G03B 1700, G06F 1100

Patent

active

056084889

ABSTRACT:
A data processing device for a camera wherein a parity bit is provided in data of an EEPROM, and when a parity error is caused by destruction of data or the like, data previously prepared in a ROM is employed, or when data before and after a specific abnormal data are normal, an interpolation calculation is performed by using these normal data. When data memorized in the EEPROM are destructed by an unexpected accident such as by static electricity, the data are prevented from using and picture taking can be continued without applying a serious influence on the picture-taking operation by performing an approximation calculation by using the other normal data memorized in the ROM.

REFERENCES:
patent: 3544777 (1970-12-01), Winkler
patent: 4404647 (1983-09-01), Jones et al.
patent: 4937831 (1990-06-01), Aoyama et al.

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