Image pickup apparatus

Details Image pickup apparatus Image pickup apparatus

1988-09-23

1990-03-20

Ng, Jin F.

Facsimile and static presentation processing

Facsimile

Recording apparatus

358909, H04N 5238

Patent

active

049106007

ABSTRACT:
An image pickup apparatus for picking up an image in accordance with an exposure constant operating with selection of a first recording mode for performing frame recording of the picked-up image and a second recording mode for performing field recording of the picked-up image and comprising a selecting circuit for selecting one of the first recording mode and the second recording mode prior to picking up the image and an exposure constant setting circuit for setting a predetermined exposure constant to the selected recording mode, wherein the aforesaid exposure constant is a shutter time and an aperture determined depending on the brightness of an object to be photographed, whereby in the first mode, the exposure constant is set so that the aperture is fixed and the shutter time is made changeable in accordance with the brightness, while in the second mode, the exposure constant is set so that the shutter time is fixed, and the aperture is made changeable in accordance with the brightness.

REFERENCES:
patent: 4558368 (1985-12-01), Aoki et al.
patent: 4663669 (1987-05-01), Kinoshita et al.
patent: 4689686 (1987-08-01), Hashimoto et al.
patent: 4714963 (1987-12-01), Vogel
patent: 4774564 (1987-09-01), Konishi
patent: 4800448 (1987-09-01), Kaneko et al.

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