Automatic focusing system for a still video camera

Details Automatic focusing system for a still video camera Automatic focusing system for a still video camera

1997-09-02

1998-11-10

Faile, Andrew I.

Television

Camera, system and detail

Optics

348353, 348354, 348277, 348279, H04N 5232, H04N 5335

Patent

active

058351434

ABSTRACT:
An automatic focusing system for a still video camera has a light detector for outputting an image signal corresponding to an intensity of light which is incident on the light detector. An image signal is output for each of a plurality of colors of light that are incident on the light detector. The autofocusing system also includes a processor for determining the value of an AF signal corresponding to the focus condition of each of the image signals. A controller executes the autofocus operation. The AF signal having the highest value is used by the controller to execute the autofocus operation.

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patent: 5005087 (1991-04-01), Suzuki et al.
patent: 5055933 (1991-10-01), Hidaka
patent: 5192998 (1993-03-01), Tokumitsu et al.
patent: 5229859 (1993-07-01), Sasaki
patent: 5508825 (1996-04-01), Kataoka
patent: 5534923 (1996-07-01), Suda

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