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. 05, 1978
Filed:
Jan. 31, 1977
Applicant:
Inventors:
Wolfgang Otto Steinkopf, Eindhoven, NL;
Rudolf Drabek, Vienna, AT;
Assignee:
U.S. Philips Corporation, New York, NY (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
358127 ; 360 37 ;
Abstract
A television player adds an identification signal to the recorded video signal so that a receiver with a recognition circuit can distinguish between the played back signal and a broadcast one. The identification signal is compatible so that a receiver without the recognition circuit can receive the played back signal.