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:
Oct. 12, 1976
Filed:
Apr. 17, 1975
Applicant:
Inventors:
Yasunobu Kuniyoshi, Tokyo, JA;
Takao Tsuchiya, Fujisawa, JA;
Assignee:
Sony Corporation, Tokyo, JA;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04N / ; H03K / ;
U.S. Cl.
CPC ...
178 / ; 178D / ; 3072 / ; 307237 ; 307264 ;
Abstract
A DC level control circuit wherein the DC level of an input signal is compared to a reference level and a DC bias potential is varied in accordance with said comparison, the varied bias potential being fed back to correspondingly vary the DC level input signal.