Image pick-up apparatus having an exposure control device

Details Image pick-up apparatus having an exposure control device Image pick-up apparatus having an exposure control device

1987-06-01

1988-03-29

Groody, James J.

Facsimile and static presentation processing

Facsimile

Recording apparatus

35821313, 35821319, 354270, H04N 5238, G03B 700

Patent

active

047347775

ABSTRACT:
In an image pick-up apparatus, an image pick-up arrangement converts an object image into electrical signals, a light metering portion other than the image pick-up arrangement detects the brightness of the object image, and a diaphragm regulates the amount of light reaching the image pick-up arrangement. A control controls the aperture value of the diaphragm in response to the output of the image pick-up arrangement and the output of the light metering portion.

REFERENCES:
patent: 4327378 (1982-04-01), Tanaka et al.
patent: 4382267 (1983-05-01), Angle
patent: 4396951 (1983-08-01), Tanaka
patent: 4556912 (1985-12-01), Yamanaka et al.
patent: 4563705 (1986-01-01), Oinoue et al.
patent: 4584610 (1986-04-01), Mizokami et al.
patent: 4635123 (1987-01-01), Masunaga et al.

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