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:
Aug. 24, 2010
Filed:
Mar. 12, 2007
Applicant:
Masaaki Suetsugu, Osaka, JP;
Inventor:
Masaaki Suetsugu, Osaka, JP;
Assignee:
Funai Electric Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 7/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An optical pickup includes: a frame, having a first face formed with a groove, a second face opposite to the first face, a first hole in which a diffraction grating is disposed, and a second hole communicated with the groove and the second face; a spring plate, attached to the first face; and a spring member, including a ring portion disposed in the first hole and abutting on the diffraction grating, a first arm portion extended from an outer peripheral edge of the ring portion and inserted in the groove, and a second arm portion connected to the first arm portion and inserted in the second hole.