Ultrasonic wave transmitting and receiving apparatus

Details Ultrasonic wave transmitting and receiving apparatus Ultrasonic wave transmitting and receiving apparatus

1976-06-24

1978-01-24

Farley, Richard A.

Communications: electrical

Selective

73620, G01S 966

Patent

active

040706427

ABSTRACT:
There are provided a transmitter for transmitting an ultrasonic wave pulse having a definite period toward an object to be examined, a receiver for receiving the ultrasonic wave pulse reflected by the object to produce a corresponding electric signal, a switch for selectively passing the electric signal produced by the receiver, a plurality of delay elements having different delay times and connected to receive the electric signal passing through the switch, and adders for adding the output signals of the delay elements after applying a predetermined weight thereto.

REFERENCES:
patent: 3295362 (1967-01-01), Wood et al.
patent: 3693415 (1972-09-01), Whittington
patent: 3919683 (1975-11-01), Itamura et al.

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