Method and apparatus for sensing a measurand
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United States of America Patent
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Dec 15, 1987
Grant Date -
N/A
app pub date -
Jul 16, 1985
filing date -
Jul 16, 1985
priority date (Note) -
Expired
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Abstract
Vibrating resonant mechanical structures are excited optically by photokinetic energy transfer and detected optically. In particular, a tuning fork sensor measuring a physical parameter is excited into oscillation by radiant energy and the frequency of vibration is detected by radiant energy which may be communicated via an optical fiber. These vibrations are communicated via a fiber optic to a detection location.
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