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.:

US 7523664 B1

PDF
Full Text
Expired
Date of Patent:
Apr. 28, 2009

Filed:

Oct. 16, 2006
Applicants:

Shigeru Shoji, Tokyo, JP;

Tsuneo Kuwahara, Tokyo, JP;

Inventors:

Shigeru Shoji, Tokyo, JP;

Tsuneo Kuwahara, Tokyo, JP;

Assignee:

TDK Corporation, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01P 15/11 (2006.01);
U.S. Cl.
CPC ...
Abstract

An acceleration sensor includes a housing member, first and second magnetic field generation members with weights, a spring member with a fulcrum attached to the housing member, and first and second magnetic field detection sensors attached to the housing member to face the first and second magnetic field generation members with weights, respectively. The first and second magnetic field detection sensors have two pairs of multi-layered magnetoresistive effect elements. A magnetization fixed layer is magnetically fixed along a direction parallel to a direction of displacement of the first and second magnetic field generation members with weights.


Find Patent Forward Citations

Shoji, Shigeru. (2009). Acceleration sensor and magnetic disk drive apparatus (U.S. Patent No. 7523664). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7523664

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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