Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
September 26, 2006
Patent Application Number
10936102
Date Filed
September 7, 2004
Patent Primary Examiner
Patent abstract
Methods and apparatus implementing and using techniques for sensing rotations of a rotating device, including using at least one switch located in a first plane and a magnet rotating in a plane substantially parallel to the first plane about a rotation axis, the magnet having a north-south axis tilted at an oblique angle to the first plane. The magnet causes the at least one switch to open and close as the magnet rotates about the rotation axis.
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