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:
May. 12, 2009
Filed:
Dec. 22, 2004
Applicants:
Shinichi Fujisawa, Tokyo, JP;
Hidenori Fuma, Saitama, JP;
Inventors:
Shinichi Fujisawa, Tokyo, JP;
Hidenori Fuma, Saitama, JP;
Assignee:
Teac Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G11B 17/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
In the course of the loading of a disc in a slot-in type of disc apparatus, if a user intends to forcefully pull out the disc, there is a possibility that it is wrongly recognized that the disc has been normally loaded, and then a clamping head of a spindle motor collides against a surface of the disc to damage it. In order to solve this problem, during the loading operation of the disc, a safety mechanism for allowing a clamping operation in response to what the disc has reached a normally clamped position. The safety mechanism may be a mechanical stopper or an electrical detector.