Ultrasonic imaging apparatus

Details Ultrasonic imaging apparatus Ultrasonic imaging apparatus

1988-12-16

1990-05-15

Tarcza, Thomas H.

Communications, electrical: acoustic wave systems and devices

Acoustic image conversion

367903, G03B 4206

Patent

active

049263803

ABSTRACT:
An ultrasonic imaging apparatus comprises an ultrasonic probe, a transmitter/receiver circuit for driving the ultrasonic probe to emit an ultrasonic beam and processing an echo signal output from the ultrasonic probe and junction unit coupled between the ultrasonic probe and the transmitter/receiver circuit and including an impedance transforming circuit having a high input impedance and a low output impedance for taking in an echo signal output from the ultrasonic probe at high impedance and outputting the taken-in echo signal at low impedance.

REFERENCES:
patent: 3757288 (1973-09-01), Morin
patent: 3909772 (1975-09-01), Miller, III et al.
patent: 4449068 (1984-05-01), Johnson et al.
H. Meinke, F. W. Gundlach: "Taschenbuch der Hochfrequenztechnik", 3rd edition, 1968, Springer-Verlag, p. 996.

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