Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
February 2, 2010
Patent Application Number
12071596
Date Filed
February 22, 2008
Patent Primary Examiner
Patent abstract
A rotary absolute value scale includes a rotor in which two rotor side coil patterns provided with different pitches are laminated, and a stator in which two stator side coil patterns provided with different pitches are also laminated. A linear absolute value scale includes a slider in which two slider side coil patterns provided with different pitches are laminated, and a scale in which two scale side coil patterns provided with different pitches are also laminated.
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