Bifurcated electroacoustic delay lines

Details Bifurcated electroacoustic delay lines Bifurcated electroacoustic delay lines

1983-04-22

1985-02-12

Nussbaum, Marvin L.

Wave transmission lines and networks

Coupling networks

Delay lines including elastic bulk wave propagation means

333143, 333149, H03H 913, H03H 936, H03H 966

Patent

active

044994397

ABSTRACT:
A bifurcated electroacoustic delay line exhibits at least a pair of substantially identical branches, each assuming a generally pentagonal profile. Each branch is configured to provide (2n+3) reflections of a desired wave at five reflective facets. The reflective pattern so defined tends to maximize the surface area available for the deposition of absorbent material so as to thereby and otherwise minimize spurious transmissions.
The branches are physically joined along at least one side and include transducers for the conversion of electrical energy to acoustical energy. An inductance connected between two such transducers couples energy from one branch to the other.

REFERENCES:
patent: 2781494 (1957-02-01), Geoghegan
patent: 3025479 (1962-03-01), Wolfskill

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