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:
Mar. 18, 1997
Filed:
Aug. 11, 1995
Yoshikazu Ishimatsu, Kanagawa, JP;
Sony Corporation, Tokyo, JP;
Abstract
A recording/reproducing apparatus for a disc-shaped recording medium having a driving motor for running a disc-shaped recording medium in rotation, an optical pickup device and a chassis member carrying the optical pickup device for shifting the optical pickup device across the inner and outer peripheral portions of the signal recording region of the disc-shaped recording medium via a guide shaft and a guide member. The chassis member has a stop member abutted by the reference surface of the mounting base when the reference surface of the mounting base is abutted against the stop member for stopping the shifting of the optical pickup device. When the optical pickup deice has been moved to the inner most portion of the disc-shaped recording medium, the optical pickup device may be stopped highly accurately. In addition, the read-out start position for the disc-shaped recording medium may be detected highly accurately.