Signal processor for processing ultrasonic receiver signals

Details Signal processor for processing ultrasonic receiver signals Signal processor for processing ultrasonic receiver signals

1978-10-10

1980-07-15

Gruber, Felix D.

Boots, shoes, and leggings

73613, 364605, 364811, G06G 718, G06J 100

Patent

active

042131847

ABSTRACT:
A signal processor is provided which uses an analog integrating circuit in conjunction with a set of digital counters controlled by a precision clock for sampling timing to provide an improved presentation of an ultrasonic transmitter/receiver signal. The signal is sampled relative to the transmitter trigger signal timing at precise times, the selected number of samples are integrated and the integrated samples are transferred and held for recording on a strip chart recorder or converted to digital form for storage. By integrating multiple samples taken at precisely the same time with respect to the trigger for the ultrasonic transmitter, random noise, which is contained in the ultrasonic receiver signal, is reduced relative to the desired useful signal.

REFERENCES:
patent: 3484591 (1969-12-01), Trimble
patent: 3750036 (1973-07-01), Burrows et al.
patent: 3937943 (1976-02-01), Debrunner et al.
patent: 3982241 (1976-09-01), Lipcon
patent: 4050025 (1977-09-01), Gerber

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