Ultrasonic wave energy electronic B-scan imaging apparatus

Details Ultrasonic wave energy electronic B-scan imaging apparatus Ultrasonic wave energy electronic B-scan imaging apparatus

1978-12-05

1980-04-15

Kreitman, Stephen A.

Measuring and testing

Vibration

By mechanical waves

367 7, 340 5MP, G01N 2900

Patent

active

041977491

ABSTRACT:
A transducer comprising a longitudinal bar of piezoelectric material having one longitudinal face substantially covered with a first electrode and the opposite longitudinal face in contact with a predetermined plural number of separate electrodes spaced along the length thereof, permits all detected echoes to be processed by a single low input impedance amplifier permanently coupled to the first electrode.

REFERENCES:
patent: 2700895 (1955-02-01), Carson
patent: 3979711 (1976-09-01), Maginness et al.
patent: 4012952 (1977-03-01), Dory
patent: 4131024 (1978-12-01), Mezrich

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