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:
Apr. 16, 1985
Filed:
Apr. 04, 1983
Applicant:
Inventors:
Minoru Kosaka, Tokorozawa, JP;
Toru Akiyama, Tokorozawa, JP;
Assignee:
Universal Pioneer Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
369 44 ; 369124 ; 250202 ;
Abstract
A tracking servo system of a video or audio disc player, wherein the control data signals extracted from the electric signals read out from an information-carrying face of a video or audio recording disc are inhibited from being delivered from the servo system when the servo loop forming part of the system is open.