Biasing of capacitive micromachined ultrasonic transducers (CMUTs) and related apparatus and methods
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United States of America Patent
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Jun 5, 2018
Issued Date -
Jun 8, 2017
app pub date -
Dec 2, 2015
filing date -
Dec 2, 2015
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Abstract
Electrical biasing of ultrasonic transducers of an ultrasound device is described. The ultrasonic transducers may be capacitive micromachined ultrasonic transducers (CMUTs). The ultrasonic transducers may be grouped together, with the different groups receiving different bias voltages. The bias voltages for the various groups of ultrasonic transducers may be selected to account for differences between the groups.
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