Geometrical instruments – Indicator of direction of force traversing natural media – Magnetic field responsive
Reexamination Certificate
2011-08-09
2011-08-09
Bennett, G. Bradley (Department: 2841)
Geometrical instruments
Indicator of direction of force traversing natural media
Magnetic field responsive
Reexamination Certificate
active
07992313
ABSTRACT:
A detection device includes an X-axis magnetic sensor, a Y-axis magnetic sensor, and a Z-axis magnetic sensor each having a sensing axis for detecting a geomagnetic azimuth and a sensor controlling semiconductor. The magnetic sensors are selected from those fabricated from the same wafer, each having the same structure, and directly mounted on the circuit substrate by directing the respective sensing axes of the magnetic sensors at different predetermined angles. Electrodes of the magnetic sensors for conducting the sensor controlling semiconductor are located in a parallel row at one side of the sensing surface.
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Office Action issued in corresponding Japanese Patent Application No. 2008-558088; issued Jan. 5, 2010.
Kitaura Naoki
Konno Toshiaki
Alps Electric Co. ,Ltd.
Bennett G. Bradley
Brinks Hofer Gilson & Lione
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