Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
August 29, 2006
Patent Application Number
11063243
Date Filed
February 22, 2005
Patent Citations Received
Patent Primary Examiner
Patent abstract
An angle-measurement device comprising a carrier element with at least two tracers. At least one tracer is configured as an annular surface, and at least one tracer is configured as a cylindrical surface. Each tracer has essentially coinciding periodic patterns that are electromagnetically or optically detectable by at least one sensor, and one tracer has a number N of patterns and the other tracer has a number N+1 of patterns. In another embodiment, one tracer is disposed on one face and the other tracer is disposed on another face of an annular carrier element.
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