Method for depth compensation of amplitudes of echo-signals in a

Details Method for depth compensation of amplitudes of echo-signals in a Method for depth compensation of amplitudes of echo-signals in a

1993-10-14

1995-07-11

Williams, Hezron E.

Measuring and testing

Vibration

By mechanical waves

73602, 73597, G01N 2904

Patent

active

054310563

ABSTRACT:
A method and apparatus for depth compensating the amplitudes of echo signals in an ultrasonic measuring device to compensate for virtually unlimited depth measurements using an amplifier adjustment curve supplied in real time which is triggered with every radiated pulse, and using the time-synchronous clock steps of a clock pulse generator converted to an analogue output signal through a D/A-converter.

REFERENCES:
patent: 4102205 (1978-07-01), Pies et al.
patent: 4398423 (1983-08-01), Takahashi
patent: 4513621 (1985-04-01), Renzel et al.
patent: 4545251 (1985-10-01), Uchida et al.

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