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:
Jul. 14, 1981
Filed:
Sep. 12, 1979
Applicant:
Inventor:
Nicolaas J Van der Valk, Breda, NL;
Assignee:
U.S. Philips Corporation, New York, NY (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04N / ;
U.S. Cl.
CPC ...
358 25 ; 358148 ; 358158 ;
Abstract
A circuit arrangement in a color television encoder comprising a first oscillator for generating a chrominance subcarrier signal, a second oscillator for generating a signal having the line frequency or a multiple thereof and a phase control loop for readjusting the phase of one of the said oscillators and including a sample and hold circuit operative every 2n.sup.th line and at a given instant in the line period, n being an integer. As a result thereof the phase between the two signals is fixed.
Van der Valk, Nicolaas. (1981). Circuit arrangement in a color television encoder (U.S. Patent No. 4278994). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4278994
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile