Transducer drive for ultrasonic imaging

Details Transducer drive for ultrasonic imaging Transducer drive for ultrasonic imaging

1978-08-30

1980-12-16

Kreitman, Stephen A.

Measuring and testing

Vibration

By mechanical waves

74108, G01N 2900

Patent

active

042389623

ABSTRACT:
A real time scanned transducer ultrasonic imaging system is disclosed having an improved mechanical scanning system for reciprocating its transducer. The transducer is immersed in a fluid containing chamber. The drive system includes monitoring equipment which produces signals indicating transducer position. Imaging electronics processes (1) electrical signals produced by the transducer in response to ultrasonic echoes, and (2) the transducer position signals from the monitor. Display apparatus produces substantially real time ultrasonically derived images. The drive system includes a transducer carriage which reciprocates on guide rod structure. A drive arm is coupled to the carriage by a compliant coupling element. A drive shaft attached to the drive arm extends through a wall of the chamber, such that the drive shaft oscillates the drive arm.

REFERENCES:
patent: 2706913 (1955-04-01), Trossi
patent: 2972264 (1961-02-01), Birkbeck et al.
patent: 3857052 (1974-12-01), Beller
patent: 3886490 (1975-05-01), Green
patent: 4058001 (1977-11-01), Waxman
patent: 4059010 (1977-11-01), Sachs
patent: 4065976 (1978-01-01), Taenzer et al.
patent: 4143554 (1979-03-01), Nagy et al.

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