Ultrasonic beam former

Details Ultrasonic beam former Ultrasonic beam former

1986-08-04

1989-06-20

Tarcza, Thomas H.

Communications, electrical: acoustic wave systems and devices

Echo systems

Distance or direction finding

12866101, 367123, G01S 1506

Patent

active

048414913

ABSTRACT:
In an ultrasonic beam former for phasing and adding received signals supplied from respective elements of an ultrasonic transducer array and for producing the received output in conformity to a desired wave front, a plurality of sampling delay means for sampling and delaying the received signal supplied from each element are disposed for each channel. The plurality of delay means effect the sampling operation successively and alternately. Outputs of delay means are selected by switches activated in response to the alternate sampling operation. As a result, the sampling rate per signal channel is increased.

REFERENCES:
patent: 3869693 (1975-03-01), Jones
patent: 4031743 (1977-06-01), Kossoff et al.
patent: 4332018 (1982-05-01), Sternberg et al.
patent: 4334432 (1982-06-01), Gill
patent: 4460987 (1984-07-01), Stokes et al.
patent: 4679176 (1987-07-01), Ogawa et al.

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