Image sensing device having a photometric element for setting an

Details Image sensing device having a photometric element for setting an Image sensing device having a photometric element for setting an

1989-09-19

1990-09-11

Brinich, Stephen

Facsimile and static presentation processing

Facsimile

Recording apparatus

358228, H04N 319

Patent

active

049567152

ABSTRACT:
An image sensing device includes an image sensor; a photometric element which is arranged separate from the image sensor to measure light with a diaphragm aperture fully opened; a storing time control circuit arranged to variably control the storing time of the image sensor; a circuit arranged to form exposure control information from the output of the image sensor on the basis of the output of the photometric element at least under a condition in which the storing time is controlled by the storing time control circuit; and an exposure control circuit arranged to control the exposed condition of the image sensor on the basis of the exposure control information.

REFERENCES:
patent: 3934161 (1976-01-01), Caywood
patent: 4427996 (1984-01-01), Tamura
patent: 4523101 (1985-06-01), Tsunekawa

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