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:
Nov. 29, 2011
Filed:
Apr. 17, 2008
Applicants:
Viatcheslav Smirnov, Suwon-si, KR;
Pyo Kim, Suwon-si, KR;
Nam-seok Kim, Osan-si, KR;
Inventors:
Assignee:
Samsung Electro-Mechanics Co., Ltd., Suwon, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 17/028 (2006.01);
U.S. Cl.
CPC ...
Abstract
An auto-balancing device, as well as a turntable device and a disc driving device equipped with the auto-balancing device are disclosed. The auto-balancing device, which includes a housing, which is coupled with a rotating body, and in which an annular insertion groove is formed; a correcting ring, rotatably inserted in the insertion groove; and multiple correcting balls, positioned between the correcting ring and an outward inwall of the insertion groove, can reduce noise and vibration for a rotating body during acceleration and deceleration and during high-speed rotations.