Ultrasonic imaging apparatus using transducer control

Details Ultrasonic imaging apparatus using transducer control Ultrasonic imaging apparatus using transducer control

Filed on

1985-01-29

Date issued

1986-01-14

Examiner

Kreitman, Stephen A.

Patent Class

Measuring and testing

SubClass

Vibration

SubSubClass

By mechanical waves

Other Related Categories

128663, 73632, G01N 2906

Type

Patent

Status

active

Patent number

045638993

Description

ABSTRACT:
In an ultrasonic imaging apparatus, the pulser applies drive pulses to the transducer element. Depending upon the transducer characteristics and the scanning mode of the ultrasonic beams, the pulser is required to apply proper drive voltage to a given transducer element. The voltage selector switch is provided to select the desirable drive voltage from the power source. Further, the transistor is provided to adjust the selected drive voltage so as to obtain the most preferable drive voltage for the transducer element.

REFERENCES:
patent: 3979711 (1976-09-01), Maginness et al.
patent: 4019169 (1977-04-01), Takamizawa
patent: 4285010 (1981-08-01), Wilcox
patent: 4333347 (1982-06-01), Lang et al.
patent: 4442713 (1984-01-01), Wilson et al.

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