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. 29, 2003
Filed:
Aug. 26, 1997
Applicant:
Inventors:
Toshio Mamiya, Tokyo, JP;
Takashi Yamada, Kanagawa, JP;
Kazuyuki Yamamoto, Kanagawa, JP;
Kazuo Takahashi, Tokyo, JP;
Eiji Oshima, Kanagawa, JP;
Assignee:
Sony Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 1/703 ; G11B 1/704 ; G11B 1/900 ;
U.S. Cl.
CPC ...
G11B 1/703 ; G11B 1/704 ; G11B 1/900 ;
Abstract
A disk storage apparatus has a magnetic head ( ) that is completely retracted outside of a disk cartridge, except upon a reading/writing operation. The magnetic head ( ) is inserted into the disk cartridge ( ) only upon the reading/writing operation. The disk storage apparatus can completely retract a rotation actuator to an outside of a disk cartridge. The disk storage apparatus can be reliably and stably operated and has a reduced overall thickness.