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:
Nov. 19, 1996
Filed:
Dec. 08, 1994
Applicant:
Inventors:
Dae H Noh, Seoul, KR;
Joong S Song, Seoul, KR;
Assignee:
Goldstar Co., Ltd., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N / ;
U.S. Cl.
CPC ...
348356 ; 348345 ; 348349 ;
Abstract
A focusing apparatus of a video camera system and a focusing method, capable of achieving a precise focusing even for an image with both a boundary between white and black and a boundary between white and gray. The focusing apparatus achieves a precise focusing even for an image with both a horizontal luminance signal level and a vertical luminance signal level. The focusing apparatus also achieves a precise focusing even for an object bearing the same kind of colors without a difference in luminance signal level, but with different color concentrations or different kinds of colors with a difference in luminance signal level.