Resonance drive oscillator circuit
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United States of America Patent
Stats
-
Mar 25, 1986
Grant Date -
N/A
app pub date -
Jun 15, 1983
filing date -
Jun 15, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An electronic drive circuit for driving an actuator mass for a sensor apparatus is disclosed. The driver requires no compensation or bridge elements. The actuator mass is directly driven by a square wave drive signal such that all of the capacitors loading errors associated with the driven actuator means are concentrated in time to that time interval in which the drive signal traverses between its two stable states. A sensor circuit connected to monitor the sensor output response signal is blanked out during the drive signal transition time interval, which effectively eliminates the transition drive noise energy from the sensed output signal.
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