Small-sized attitude detection sensor and portable telephone...

Electricity: measuring and testing – Magnetic – Magnetometers

Reexamination Certificate

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Details

C324S244000, C324S260000, C073S514160, C073S514310

Reexamination Certificate

active

10556093

ABSTRACT:
An attitude detection sensor includes three magnetic sensing parts that detect magnetic field strength in respective directions along three axes perpendicular to each other, and two tilt sensing parts that detect tilt angles around two axes perpendicular to each other. The tilt sensing parts each include a cantilever having a magnet body that moves in accordance with the tilt angle, and a magnetic detection head that detects a displacement of the magnet body. The three magnetic sensing parts and the two magnetic detection heads are each formed using a magnetic detection element of the same type. At least one electronic circuit for controlling the five magnetic detection elements, the three magnetic sensing parts, and the two tilt sensing parts is disposed in a single package in the form of a module.

REFERENCES:
patent: 2004/0090229 (2004-05-01), Kimura
patent: 2006/0123906 (2006-06-01), Honkura et al.
patent: 2007/0068252 (2007-03-01), Honkura et al.
patent: 2000-258449 (2000-09-01), None
patent: 2003-172633 (2003-06-01), None
patent: 2005/039154 (2005-04-01), None
patent: 2005/039155 (2005-04-01), None
U.S. Appl. No. 10/556,093, filed Nov. 9, 2005, Honkura et al.

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