Capacitive angle sensor
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United States of America Patent
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-
Sep 17, 2002
Grant Date -
N/A
app pub date -
Apr 15, 1999
filing date -
Apr 16, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A capacitive angle sensor that is used preferably in motor vehicles includes a sensor housing (2) having a cover (2') covering the sensor housing (2). A stator (3) and a rotor (4) are positioned in the sensor housing (2), each respectively including a ceramic plate and lying in a plane parallel to the other. The ceramic plates are preferably of an Al.sub.2 O.sub.3 ceramic. Printed electrode structures of electrodes (5, 6), as sensor capacitances and coupling capacitances (7), are located on sides of the stator (3) and of the rotor (4) facing respectively outward. The electrode structures are printed on back sides of the ceramic plates, so that the electrodes (5, 6, 7), upon assembly into the angle sensor (1), are located on the sides of the stator (3) and of the rotor (4) that face respectively away from each.
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