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. 19, 1983
Filed:
Dec. 26, 1979
Applicant:
Inventors:
Yasuyuki Hirose, Furukawa, JP;
Motohiro Shimaoka, Furukawa, JP;
Shoichiro Saito, Furukawa, JP;
Toru Kowaguchi, Furukawa, JP;
Assignee:
Alps Electric Co., Ltd., Tokyo, JP;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G11B / ; G11B / ; G11B / ;
U.S. Cl.
CPC ...
360 99 ; 360105 ;
Abstract
A disc drive apparatus for use in recording data on a flexible magnetic disc and/or reproducing data recorded on such a disc, has small dimensions and is capable of being manufactured at a low cost. This apparatus includes structures for preventing a disc and the read/write head from colliding when the disc is inserted into the apparatus. In addition, the apparatus permits two discs to be rotated simultaneously by one drive motor and one carriage carrying two head mechanisms is moved by one step motor.