Exposure control apparatus

Details Exposure control apparatus Exposure control apparatus

1985-05-10

1987-09-22

Adams, Russell E.

Facsimile and static presentation processing

Facsimile

Recording apparatus

354416, 354423, G03B 7085, H04N 5238

Patent

active

046958940

ABSTRACT:
An exposure control apparatus including a diaphragm for controlling the exposure amount on a focal plane, a light metering element for measuring the light passing through an aperture opening of the diaphragm, a servo control circuit for servo controlling the size of the aperture opening by the output of the light metering element, and a signal forming circuit receptive of the output of the light metering element for producing an output signal for controlling the light amount of a flash device.

REFERENCES:
patent: 4037234 (1977-07-01), Tunekawa et al.
patent: 4118716 (1978-10-01), Suzuki et al.
patent: 4300167 (1981-11-01), Miller et al.
patent: 4327978 (1982-05-01), Ishida et al.
patent: 4366501 (1982-12-01), Tsunekawa et al.
patent: 4426142 (1984-01-01), Iuva et al.
patent: 4509847 (1985-04-01), Maida et al.
patent: 4558368 (1985-12-01), Aoki et al.
patent: 4563070 (1986-01-01), Saito et al.

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