System for reading acoustic images

Details System for reading acoustic images System for reading acoustic images

1974-10-29

1976-06-08

Wilbur, Maynard R.

Communications: electrical

Selective

Having electron beam device

340 5MP, 310 81, 333 72, H04B 1100

Patent

active

039626733

ABSTRACT:
A system is provided for reading acoustic images such as those obtainable in an elastic medium as a result of the focusing of, or interference between, acoustic waves. The image analysing device comprises a substrate made of piezoelectric material which is provided on one face with an interdigital array and an electro-acoustic transducer.
The system permits to read acoustic images formed at the free surface on the opposite face of the substrate or at a certain distance from its free surface in contact with an elastic propagation medium.

REFERENCES:
patent: 3090030 (1963-05-01), Schuck
patent: 3731214 (1973-05-01), Bers
patent: 3794964 (1974-02-01), Katakura
patent: 3875550 (1975-04-01), Quate et al.

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