Electricity: measuring and testing – Magnetic – Magnetometers
Reexamination Certificate
2005-05-17
2008-09-02
Assouad, Patrick (Department: 2862)
Electricity: measuring and testing
Magnetic
Magnetometers
C324S244000, C324S260000, C073S514160, C073S514310
Reexamination Certificate
active
07420364
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.
Honkura Yoshinobu
Kako Eiji
Katayama Takashi
Kohtani Yoshiaki
Kusuda Hirohisa
Aichi Steel Corporation
Vodafone K.K.
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