Camera exposure meter system

Details Camera exposure meter system Camera exposure meter system

1993-11-16

1994-12-13

Perkey, W. B.

G03B 728

Patent

active

053733452

ABSTRACT:
The speed of a light metering system that performs divided brightness measurements is increased by omitting the computations used to calculate the suitable exposure conditions when the metered signals output by the lightmeter are nearly identical to metered signals stored in the light meter from a previous metering operation. In such a case, the exposure operation is performed using exposure conditions that were previously calculated for the stored metered signals.

REFERENCES:
patent: 4978990 (1990-12-01), Yamasaki et al.
patent: 5226984 (1993-11-01), Muramatsu et al.
patent: 5227830 (1993-07-01), Yoshihara et al.

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