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. 27, 1983
Filed:
Sep. 15, 1981
Applicant:
Inventor:
Katsuichi Tachi, Kanagawa, JP;
Assignee:
Sony Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04N / ;
U.S. Cl.
CPC ...
358335 ; 331 20 ; 358147 ;
Abstract
The present invention allows code signals from a video signal to be read even though the signal is being reproduced at non-standard speed, a reference oscillator and programmable frequency divider are utilized with a time width detector and the frequency dividing ratio of the programmable frequency divider is controlled so as to assure that the video code signal can be detected even at non-standard speeds.