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:
Feb. 16, 2010

Filed:

Jul. 25, 2007
Applicants:

Kouichirou Matsumoto, Kariya, JP;

Takashi Kawashima, Nagoya, JP;

Osamu Shimomura, Okazaki, JP;

Inventors:

Kouichirou Matsumoto, Kariya, JP;

Takashi Kawashima, Nagoya, JP;

Osamu Shimomura, Okazaki, JP;

Assignees:

DENSO CORPORATION, Kariya, JP;

Nippon Soken, Inc., Nishio, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R 33/02 (2006.01); G01R 33/06 (2006.01);
U.S. Cl.
CPC ...
Abstract

A rotation angle detecting device includes a magnetic member for providing a magnetic field, a magnetic sensor for sensing a change in the magnetic field when the magnetic member rotates relative to the magnetic sensor about a rotation axis. The magnetic sensor is disposed at a single position and includes a pair of sensor elements. The pair of sensor elements is disposed on an imaginary plane that is perpendicular to the rotation axis so that sensing surfaces of the sensor elements have 90 degrees in angle to each other and so that each of the sensing surfaces inclines by 45 degrees in angle to a line intersecting the rotation axis at right angles.


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