Wide dynamic range ultrasound echo receiver

Details Wide dynamic range ultrasound echo receiver Wide dynamic range ultrasound echo receiver

1982-09-27

1984-06-19

Howell, Kyle L.

Surgery

Truss

Pad

73631, 73632, A61B 1000, G01N 2900

Patent

active

044548842

ABSTRACT:
The wide dynamic range ultrasound receiver utilizes a multi-stage logarithmic amplifier in order to logarithmically amplify a returned echo signal. The output of the returned echo signal from the logarithmic amplifier is simply added to a saw-tooth wave Time Gain Control (TGC) signal. Thus, the wide dynamic range of the returned echo signals is simply converted into a video display.

REFERENCES:
patent: 4289140 (1981-09-01), Carpenter

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