Electricity: measuring and testing – Electrical speed measuring – Including speed-related frequency generator
Patent
1988-04-04
1990-04-03
Strecker, Gerard R.
Electricity: measuring and testing
Electrical speed measuring
Including speed-related frequency generator
307309, 307358, 324174, 324251, 324252, 328167, 384 8, 384448, G01P 3487, H03K 1918, H03K 5153, F16C 3200
Patent
active
049143875
ABSTRACT:
A magnetic sensor bearing utilizes an adaptive threshold circuit for signal processing in order to compensate for external factors such as temperature, stress, aging, and external magnetic fields which all affect a fixed reference signal used with a comparator. As the magnetic sensor's output signal drifts due to these external factors, the adaptive threshold circuit causes the reference signals to drift in a complementary manner so that the magnetic sensor bearing continues to function properly in spite of the external factors.
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Strecker Gerard R.
The Torrington Company
Troidl Frank S.
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