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:
Mar. 16, 1982
Filed:
Oct. 03, 1980
Applicant:
Inventors:
Kentaro Hanma, Yokohama, JP;
Kaoru Yanagawa, Katsuta, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N / ;
U.S. Cl.
CPC ...
358227 ; 358225 ; 354195 ;
Abstract
This invention relates to automatic focusing systems for video cameras and, more particularly, to an automatic focusing system, which is adopted to effect a focusing operation such as to render maximum the output of a detector detecting a high frequency component of a video signal.