Wave transmission lines and networks – Coupling networks – Electromechanical filter
Patent
1980-07-11
1982-04-27
Nussbaum, Marvin L.
Wave transmission lines and networks
Coupling networks
Electromechanical filter
333186, H03H 950, H03H 900
Patent
active
043273416
ABSTRACT:
Each cell includes two longitudinally vibrating cylindrical resonators and a flexurally vibrating coupler connected between the two resonators. The diameter of the coupler is defined by the expression: ##EQU1## wherein: d.sub.r is the diameter of the resonators
REFERENCES:
patent: 4163960 (1979-08-01), Ernyei et al.
patent: 4197516 (1980-04-01), Ernyei et al.
Lignes Telegraphiques et Telephoniques
Nussbaum Marvin L.
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