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. 05, 1982
Filed:
May. 14, 1980
Applicant:
Inventors:
Pieter den Toonder, Dordrecht, NL;
Pieter J Fondse, Papendrecht, NL;
Assignee:
Oak Industries, Inc., Rancho Bernardo, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N / ; H04K / ;
U.S. Cl.
CPC ...
358120 ; 358118 ; 358121 ; 358124 ;
Abstract
A coding and decoding system for video signals includes means at the transmitter for applying sine wave amplitude modulation of approximate line frequency to the aural carrier to prevent the chrominance subcarrier from providing receiver synchronization.