Wave transmission lines and networks – Coupling networks – Delay lines including elastic bulk wave propagation means
Patent
1980-11-03
1982-05-04
Nussbaum, Marvin L.
Wave transmission lines and networks
Coupling networks
Delay lines including elastic bulk wave propagation means
333145, 333147, H03H 936, H03H 913
Patent
active
043284728
ABSTRACT:
An acoustic guided wave device has a wave guiding volume (20) which may include transducer elements (22-25) and other metal elements (26), sandwiched between two acoustic half spaces (10, 12) having acoustic velocity faster than the effective acoustic velocity of the material within the wave guiding volume.
REFERENCES:
patent: 3922622 (1975-11-01), Boyd et al.
patent: 3955160 (1976-05-01), Duffy
patent: 4077023 (1978-02-01), Boyd et al.
Nussbaum Marvin L.
United Technologies Corporation
Williams M. P.
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