Phased array system architecture
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United States of America Patent
Stats
-
Oct 10, 2000
Grant Date -
N/A
app pub date -
Sep 11, 1997
filing date -
Sep 11, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Architecture for driving a ultrasound phased array. The architecture includes a series of amplifiers which produce discrete driving signals. The amplifiers number less than the number of transducer elements in the array and an integrated circuit multiplexer chip is coupled to each transducer and to all the amplifiers. A controller provides first control signals to the amplifiers causing the amplifiers to produce their discrete driving signals. The controller further provides second control signals to each multiplexer chip and these signals cause the multiplexer chips to pass a specified one of the driving signals to a selected one of the transducer elements. The result is that a focused ultrasonic beam is formed on a selected target volume.
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