Method and apparatus for switching multi-element transducer arrays
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United States of America Patent
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Mar 19, 1985
Grant Date -
N/A
app pub date -
Jun 21, 1983
filing date -
Jun 21, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A simple, versatile switching system for ultrasonic transducer arrays uses in-probe concentration and a crosspoint switching matrix, both under the control of a microprocessor in the control unit. The number of crosspoints is kept to a minimum by connecting transducer elements to the pulse delay or receive delay lines in symmetrical pairs; and the high-voltage pulsing is done on the probe side of the switching matrix to allow the use of the same light-duty matrix for both pulsing and receiving.
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