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:
Jan. 10, 1978
Filed:
Mar. 23, 1976
Applicant:
Inventors:
Philippe Bied-Charreton, Paris, FR;
Francois Le Carvennec, Paris, FR;
Assignee:
Thomson-Brandt, Paris, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N / ;
U.S. Cl.
CPC ...
358-4 ; 358 15 ; 358133 ; 360 22 ;
Abstract
The present invention relates to methods which make it possible to partially eliminate the redundancy in television signals. It consists in splitting the spectrum of the video signal into two parts, one containing the low frequencies, this being transmitted integrally, and the other containing the high frequencies, this being transmitted once every n times and being repeated n-1 times at reception.