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:
Sep. 14, 1976
Filed:
Dec. 09, 1974
Applicant:
Inventor:
Kinya Shinkai, Yokohama, JA;
Assignee:
Sony Corporation, Tokyo, JA;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H04N / ;
U.S. Cl.
CPC ...
178-71 ; 178D / ; 178 / ;
Abstract
An aperture correction circuit is disclosed in which the first portions of the differentiated signals of input video signals are inverted, and the waveform shaped signals thus obtained and the input video signals are added together whereby the corrected video signals having sharp edged waveforms are obtained.