Camera focus control according to extraction range size and/or z

Details Camera focus control according to extraction range size and/or z Camera focus control according to extraction range size and/or z

1996-07-18

2000-12-26

Kelley, Chris S.

Television

Camera, system and detail

Optics

348354, H04N 5232

Patent

active

061667706

ABSTRACT:
An image pickup apparatus is provided with a focus detecting device for detecting a state of focus from a picked-up image signal outputted from an image sensor, and an electronic zoom device for electrically magnifying the picked-up image signal. The image pickup apparatus is arranged to control an operation characteristic of the focus detecting device on the basis of the operating state of the electronic zoom device.

REFERENCES:
patent: 4872058 (1989-10-01), Baba
patent: 5055933 (1991-10-01), Hidaka
patent: 5570236 (1996-10-01), Hirasawa
patent: 5629735 (1997-05-01), Kaneda
patent: 5712474 (1998-01-01), Naneda

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