Photographic optical system controlling apparatus

Details Photographic optical system controlling apparatus Photographic optical system controlling apparatus

1991-04-17

1993-05-11

Adams, Russell E.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358227, G03B 310, H04N 5232

Patent

active

052105660

ABSTRACT:
A photographic optical system controlling apparatus carries for out an automatic focusing control and an exposure control. The apparatus includes a motion vector detecting device for detecting the motion of the image and changes a gate area or a photometric area. The result is that the focusing or the exposure controlling operation can be carried out accurately following the motion of a main object, irrespective of the positional change of the object the screen.

REFERENCES:
patent: 4647979 (1987-03-01), Urata
patent: 4719485 (1988-01-01), Shikaumi
patent: 4935763 (1990-06-01), Itoh et al.
patent: 5031049 (1991-07-01), Toyama et al.
Japanese Abstract, Publication Number JP60120675, vol. 9, No. 277, Nov. 6, 1985.

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