Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
June 1, 2010
Patent Application Number
11990333
Date Filed
August 2, 2006
Patent Primary Examiner
Patent abstract
A rotation sensor includes a magnetic sensor array including magnetic sensor elements in line, a rotatable magnet confronting the magnetic sensor array, a signal readout circuit to read out a signal from the magnetic sensor array, a repeating section to cause the signal readout circuit to repeat reading out the signal from the magnetic sensor array several number of times, and to calculate a summation or an average of several readout signals, and an angle calculating circuit to detect an angle of rotation of the magnet from the summation or the average of the signals calculated by the repeating section.
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