Piezoelectric scanning systems for ultrasonic transducers

Details Piezoelectric scanning systems for ultrasonic transducers Piezoelectric scanning systems for ultrasonic transducers

A - Human Necessities

61

B

349/36

A61B 8/00 (2006.01) G01N 29/04 (2006.01) G01N 29/24 (2006.01) G10K 11/35 (2006.01) H04R 17/00 (2006.01)

Patent

CA 1212450

Piezoelectric Scanning Systems For Ultrasonic Transducers Abstract of the Disclosure An ultrasonic scanning system is provided in which an ultrasonic transducer is oscillated for scanning purposes by a piezoelectric bender. One end of the bender is fixedly mounted in a sector scanner head, while the other end is connected to the ultrasonic transducer. The bender is deflected through the application of a drive voltage to electrodes plated on the piezoelectric material, causing the bender to deflect by a distance which is proportional to the applied voltage. The transducer is thereby caused to oscillate or rock by the motion of the bender.

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