Wave transmission lines and networks – Automatically controlled systems – With control of equalizer and/or delay network
Patent
1976-11-17
1978-07-11
Smith, Alfred E.
Wave transmission lines and networks
Automatically controlled systems
With control of equalizer and/or delay network
310321, 310330, 333 72, H03H 904, H03H 926, H03H 932, H04R 122
Patent
active
041005066
ABSTRACT:
In an electromechanical filter comprising longitudinally vibrating resonators intercoupled by means of longitudinally vibrating rods, the transducers each consist of two halves located on two flats machined on the same outermost resonator along two parallel planes.
REFERENCES:
patent: 2955267 (1960-10-01), Mason
patent: 3953662 (1976-04-01), Nagashima et al.
Nussbaum Marvin
Smith Alfred E.
Societe Lignes Telegraphiques et Telephoniques
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