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. 27, 2008
Filed:
Jul. 23, 2004
Applicants:
Suk-il OH, Suwon-si, KR;
Myung-ryul Choi, Seoul, KR;
Inventors:
Suk-il Oh, Suwon-si, KR;
Myung-ryul Choi, Seoul, KR;
Assignee:
Samsung Electronics Co., Ltd., Suwon-Si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 33/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
A disc drive includes a frame in which a spindle motor and an optical pickup are installed, and at least one helmholtz resonator that is installed in the frame to reduce noise of a particular frequency determined by a volume of a resonating tube and a length and diameter of a neck of the resonator, where the helmholtz resonator may be constructed to be united with the frame.