The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Dec. 21, 1999

Filed:

Nov. 14, 1996
Applicant:
Inventors:

Kenichi Kikuchi, Daito, JP;

Akio Kobayashi, Hirakata, JP;

Akira Toba, Osaka, JP;

Assignee:
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04N / ; H04N / ; H04N / ; G03B / ;
U.S. Cl.
CPC ...
348222 ; 348240 ; 348354 ; 348364 ;
Abstract

A video camera includes a CCD imager, and an image corresponding to a camera signal outputted from all of charge areas of the CCD imager is outputted on a monitor in a normal mode. In a quadruplication mode, four (4) images corresponding to camera signals repeatedly outputted from one of quarter areas of the charge area are outputted on the monitor. A high-frequency luminance component value generation circuit generates a high-frequency luminance component value on the basis of a luminance signal to be outputted at a center of the monitor in the normal mode, and a high-frequency luminance component value on the basis of a luminance signal to be outputted at a center of one of quarter areas of the monitor in the quadruplication mode. A microcomputer controls a focus motor on the basis of the high-frequency luminance component values obtained in such manners so as to adjust a focus.


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