Exposure control device in a camera

Details Exposure control device in a camera Exposure control device in a camera

1992-12-22

1994-05-17

Gray, David M.

354432, G03B 1300

Patent

active

053132467

ABSTRACT:
An exposure control device in a camera comprises a focus detection device for calculating a plurality of defocus amounts corresponding to a plurality of focus detection areas, a weight producing device for producing a plurality of weights corresponding to the plurality of focus detection areas on the basis of the plurality of defocus amounts, a light metering device for light-metering a plurality of light metering areas at least partly overlapping with the plurality of focus detection areas and producing a plurality of light metering outputs, and an exposure amount calculating device for calculating a proper exposure amount on the basis of the plurality of weights and the plurality of light metering outputs.

REFERENCES:
patent: 4768052 (1988-08-01), Hamada et al.
patent: 4977423 (1990-12-01), Yamano et al.

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