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. 03, 1990
Filed:
Aug. 25, 1987
Applicant:
Inventors:
Assignee:
Kabushiki Kaisha Toshiba, Kanagawa, JP;
Primary Examiner:
Int. Cl.
CPC ...
G11B / ; G11B / ;
U.S. Cl.
CPC ...
369 772 ; 369270 ; 369292 ; 369244 ;
Abstract
An optical disc player for playing optical discs includes a disc compartment for accomodating an optical disc, a disc holding mechanism for holding an optical disc accomodated in the disc compartment, a disc rotation drive mechanism for rotating the optical disc held by the disc holding mechanism, an optical pickup device which is radially movable in respect to the optical disc rotated by the disc rotation drive mechanism for optically tracing the optical disc and a pickup locking mechanism which is responsive to the disc holding mechanism for locking the optical pickup device during a non-operation of the tracing operation.