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:
Jul. 20, 2004
Filed:
Aug. 28, 1998
Applicant:
Inventors:
In Sang Song, Kyungki-do, KR;
Soo Kyung Kim, Seoul, KR;
Assignee:
LG Electronics Inc., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 1/7028 ;
U.S. Cl.
CPC ...
G11B 1/7028 ;
Abstract
A disc driving apparatus for stabbly driving a disc within a cartridge. In the apparatus, a vertical position of the disc to generate a force by an air pressure difference within the cartridge in the same direction as a force clamping the disc during rotation of the disc. A supporting member for supporting the cartridge or the disc is arranged such that the disc within the cartridge is positioned above the half height of the cartridge, so that a disc vibration is minimized during rotation of the disc to stabbly rotate the disc, thereby assuring a responsibility of recorded and reproduced information.