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:
Aug. 30, 1994
Filed:
Dec. 07, 1992
Applicant:
Inventor:
Ki-Yong Kim, Kyonggi-do, KR;
Assignee:
Samsung Electronics Co., Ltd., Kyongki-do, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04N / ;
U.S. Cl.
CPC ...
348257 ; 348695 ;
Abstract
A digital clamp circuit obtains a variation value of the black level varying per 1H period according to a predetermined clamp reference value, adds the variable value to an entire signal level to perform compensation of the variation of the black level, thereby enabling stable signal processing.