High efficiency wide band surface acoustic wave coupler processo

Details High efficiency wide band surface acoustic wave coupler processo High efficiency wide band surface acoustic wave coupler processo

1978-12-11

1980-03-04

Smith, Alfred E.

Wave transmission lines and networks

Coupling networks

Delay lines including elastic surface wave propagation means

333156, 333195, H03H 926, H03H 930, H03H 932, H01L 4110

Patent

active

041919343

ABSTRACT:
A surface wave signal processor employs acoustic means for processing electrical input signals for yielding modified delayed output signals. The piezoelectric coupling devices of the invention propagate energy in a first acoustic wave at a surface of a first medium and electrically transfer it to a second acoustic wave propagating at a surface of a second medium in such a manner that temperature variation of the delay is minimized.

REFERENCES:
patent: 3836876 (1974-09-01), Marshall et al.
patent: 3947783 (1976-03-01), Maerfeld
patent: 4038614 (1977-07-01), Chapman et al.
patent: 4079342 (1978-03-01), Solie
patent: 4110653 (1978-08-01), Hartemann

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