Video camera apparatus with automatic focus operation dependent

Details Video camera apparatus with automatic focus operation dependent Video camera apparatus with automatic focus operation dependent

1996-04-16

1999-08-03

Garber, Wendy

Television

Camera, system and detail

Combined image signal generator and general image signal...

348347, 348358, H04N 5262

Patent

active

059331879

ABSTRACT:
A video camera includes an image pickup device for photoelectrically converting into a video signal an optical image focused on a pickup surface of the device, a focus adjusting device for focusing the optical image on the image pickup surface, electronic magnification varying circuitry for electronically varying an image magnification by signal processing, and a control circuit for controlling an operation of the focus adjusting device in manners which differ depending on whether or not the image magnification is varied by the electronic magnification varying circuitry.

REFERENCES:
patent: 4843475 (1989-06-01), Imai
patent: 4924317 (1990-05-01), Hirao et al.
patent: 5140357 (1992-08-01), Suda et al.

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