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.

Date of Patent:
Jul. 07, 2015

Filed:

Oct. 02, 2013
Applicant:

Hitachi Media Electronics Co., Ltd., Yokohama-shi, Kanagawa, JP;

Inventors:

Tatsuya Yamasaki, Tokyo, JP;

Kenji Kiya, Yokohama, JP;

Katsuhiko Kimura, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 7/00 (2006.01); G11B 21/22 (2006.01); G11B 7/22 (2006.01); G11B 7/135 (2012.01);
U.S. Cl.
CPC ...
G11B 21/22 (2013.01); G11B 7/22 (2013.01); G11B 7/135 (2013.01);
Abstract

An optical pickup, including a housing, and an optical element mounted on the housing, wherein the optical element is fixed onto wall surfaces of the housing via adhesive agents on both sides of a certain single surface of the optical element, the optical pickup, further including a protrusion portion on the other side of a surface with the optical element positioned therebetween, the surface being orthogonal to the wall surfaces of the housing, the protrusion portion protruding from the housing, the front end of the protrusion portion protruding than the adhesive agents in a direction away from the wall surfaces.


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