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:
Dec. 11, 1990
Filed:
Sep. 30, 1988
Applicant:
Inventors:
Frederic Fonsalas, Grigny, FR;
Pascal Hayet, Chateney Malabry, FR;
Jean-Yves Lejard, Paris, FR;
Marcel Le Queau, Ozoir la Ferriere, FR;
Assignee:
U.S. Philips Corporation, New York, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04N / ;
U.S. Cl.
CPC ...
358138 ; 358141 ;
Abstract
In this system a transmission of certain high definition picture elements is provided such that at the receiving side it is possible to recover a picture of the normal definition without it being necessary to use additional circuits.
Fonsalas, Frederic. (1990). System and apparatus for transmitting and receiving high definition (U.S. Patent No. 4977453). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4977453
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile