Magnetoresistive proximity sensor
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United States of America Patent
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Sep 27, 1994
Grant Date -
N/A
app pub date -
Jun 14, 1993
filing date -
Jun 14, 1993
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A proximity sensor which has planar magnetoresistive elements lying in the plane of a radial magnetic field. The magnetoresistive elements arranged in a bridge configuration and are magnetically saturated by the radial magnetic field. The proximity sensor detects the approach of a ferromagnetic object by detecting movement of the effective center of the radial magnetic field.
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