Acceleration sensor
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United States of America Patent
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Jan 31, 1995
Issued Date -
N/A
app pub date -
Jun 14, 1993
filing date -
Oct 24, 1990
priority date (Note) -
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Abstract
A sensor for measuring accelerations has a small plate 1 which is arranged in a housing 3 perpendicular to a direction of measurement 11, and is clamped at its edges with the interposition of flexural soft regions 2. There is, furthermore, provided a transmitter-receiver unit 4a, 4b which is so arranged in the housing 3 on a path compensator 12 that rays coming from the transmitter 4a are reflected by the small plate 1 onto the receiver 4b. Thereby an electrical signal is formed which serves to control the voltage 13A outputted by the path compensator 12. In a further embodiment of the invention, there are two transmitter-receiver units which are so arranged in a housing 23 that the rays coming from the transmitters 24a are reflected by the front and back of the small plate 1 onto the receivers 24b.
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