Rotary angle sensor for a rotary member
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United States of America Patent
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Oct 28, 2003
Grant Date -
N/A
app pub date -
Sep 13, 2000
filing date -
Sep 28, 1999
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A rotary angle sensor for a rotary member such as a motor vehicle wheel comprises an emitter, and a plurality of reflectors arranged in the form of flat surfaces on a circular-cylindrical surface of the rotary member or of a rotational portion which in operation rotates with the rotary member, light emitted by the emitter being reflected by the reflectors and received by a detector. The detector produces corresponding signals which are evaluated in an evaluation arrangement for detection of the rotational angle involved.
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