Moving sensor using mechanical vibrations

Details Moving sensor using mechanical vibrations Moving sensor using mechanical vibrations

1996-07-08

1997-09-30

Dogherty, Thomas M.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310338, H01L 4108

Patent

active

056729294

ABSTRACT:
A movement sensor (40) for a process device has a sensor tip (42); means (41) for transmitting the vibrations from the sensor tip to a transducer means (43), the transducer means electrically detecting the resulting vibrations as movement occurs and producing an output signal. Means (70) can be provided for filtering the output signal below and above respective predetermined frequencies and producing a movement detection signal when the output signal lies between the predetermined frequencies.

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