System for processing an electric signal using elastic surface w

Details System for processing an electric signal using elastic surface w System for processing an electric signal using elastic surface w

1977-05-27

1979-01-16

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

333 30R, 357 26, H01L 4110

Patent

active

041346238

ABSTRACT:
A system realizing various processings of signals, depending on the nature, duration and form of these signals, by means of non-linear interactions between elastic surface waves or between elastic and electromagnetic waves. The system realizes the memorization of the correlation function between a first signal, which is an elastic surface wave, and a second signal which is either an electromagnetic or an elastic surface wave; the reading may be realized with an electromagnetic wave or an elastic surface wave whose pulsation equals or not that which corresponds to the spatial period of the memorized signal, thus generating correlation or convolution functions.

REFERENCES:
patent: B520924 (1976-01-01), Coldren
patent: 3826865 (1974-07-01), Quate et al.
patent: 3886529 (1975-05-01), Bert et al.
patent: 3935564 (1976-01-01), Quate et al.
patent: 4016514 (1977-04-01), Reeder et al.
patent: 4021657 (1977-05-01), Auld
patent: 4041419 (1977-08-01), Desormiere et al.

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