Sensor
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Jun 10, 2003
Grant Date -
Jan 31, 2002
app pub date -
May 14, 2001
filing date -
Jun 16, 2000
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A sensor formed from a semiconductor material. The device comprises a support frame, a sensing element; and means for vibrating the sensing element at a frequency corresponding generally to a first resonant frequency vibration mode. Error detection means detects the resonant frequency vibration mode, the output of the error detection means being indicative of existence or otherwise an expected response of the resonant frequency vibration mode to the excitation. Means for detecting the deformation of the sensing element provides an output indicative of the parameter to be sensed, the deformation detecting means and error detection means being formed from the same elements.
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