Angle detector
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United States of America Patent
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Feb 21, 2017
Grant Date -
Jun 20, 2013
app pub date -
Dec 17, 2012
filing date -
Dec 16, 2011
priority date (Note) -
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Abstract
An angle detector detects an operation angle of an electric actuator having an electric motor. The electric motor generates rotation force when being energized. The angle detector includes a controller. The controller calculates an average current flowing through the electric motor during operation of the electric actuator. The controller calculates the operation angle of the electric actuator from a predetermined formula by using the average current.
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