Automatic exposure control system for electronic camera

Details Automatic exposure control system for electronic camera Automatic exposure control system for electronic camera

1990-04-19

1991-08-13

Britton, Howard W.

Facsimile and static presentation processing

Facsimile

Recording apparatus

358227, 358209, 358909, H04N 5238

Patent

active

050400720

ABSTRACT:
In an electronic still camera employing a CCD, an automatic exposure control and an automatic focusing control are carried out by utilizing an image signal derived from CCD to photograph a subject. A liquid crystal display unit is provided within a viewfinder. A designation is performed on a subject image to be automatically controlled for the exposure and focusing operations by utilizing a frame displayed on the liquid crystal display unit. The automatic exposure control and automatic focusing control are executed with respect to the subject positioned within the frame displayed on the liquid crystal display unit.

REFERENCES:
patent: 4598322 (1986-06-01), Atherton et al.
patent: 4872058 (1989-10-01), Baba et al.
patent: 4959727 (1990-09-01), Imaide et al.
patent: 4969045 (1990-11-01), Haruki et al.

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