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.
Patent No.:
Date of Patent:
Jan. 09, 2001
Filed:
Apr. 05, 1996
Applicant:
Inventor:
Shingo Tatsumi, Kawasaki, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04N 5/225 ; G03B 1/300 ; G03B 1/700 ; G06K 9/00 ;
U.S. Cl.
CPC ...
H04N 5/225 ; G03B 1/300 ; G03B 1/700 ; G06K 9/00 ;
Abstract
An video camera capable of auto-zoom control, where light projector,irradiates a subject at fixed periods, a correlation calculator,inputs an image signal pre-stored in a memory,and an image signal from an image sensor,into an adder,, and outputs information on bright points, corresponding to the subject's eyes upon light emission period of the light projector,, into a zoom controller,. The zoom controller,controls a zoom driver,such that an interval between the subject's eyes, detected based on the input bright point information, is a predetermined value.