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. 26, 1998
Filed:
Jul. 09, 1996
Applicant:
Inventor:
Sang-jun Lee, Suwon, KR;
Assignee:
Samsung Electronics Co., Ltd., Kyungki-Do, KR;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11B / ; G11B / ;
U.S. Cl.
CPC ...
369271 ;
Abstract
A disk centering apparatus of a compact disk drive including a metal ball having a high moment of inertia and a spring for elastically biasing the metal ball toward the turntable. The ball is disposed in the center of the pulley spindle to prevent pickup errors by reducing the vibration generated during high-speed disk rotation.