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, 2003
Filed:
Oct. 13, 1999
Applicant:
Inventors:
Isao Asano, Fukushima, JP;
Hiroki Hirashima, Fukushima, JP;
Masahiro Matsunaga, Kanagawa, JP;
Kazuhisa Taira, Tokyo, JP;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 1/902 ; G11B 1/904 ;
U.S. Cl.
CPC ...
G11B 1/902 ; G11B 1/904 ;
Abstract
A disc driving device of the type in which two different head units are moved by a linear motor along the radial direction of two discs having different recording densities. If a floppy disc with the standard recording density (lower order mode) is loaded on a disc table and a shock sensor detects the shock, a controller discontinues the recording and/or reproducing processing by a FDD (Floppy Disk Drive).