Sensor Array
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United States of America Patent
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Issued Date -
Feb 16, 2012
app pub date -
Aug 11, 2010
filing date -
Aug 11, 2010
priority date (Note) -
Abandoned
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Abstract
There is provided a sensor array, comprising a pair of transducers, a first transducer, configured to transmit pressure waves; and a second transducer, acoustically coupled to the first transducer, configured to detect pressure waves incident upon the sensor array from the environment. The array further comprises control circuitry, coupled to the first and second transducers, configured to: control the first transducer to transmit pressure waves; simultaneously control the second transducer to monitor the transmission of said pressure waves; and verify correct operation of the array in the event that said pressure waves are detected. The invention therefore provides a sensor array with a failsafe mechanism.
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