Wave transmission lines and networks – Coupling networks – Electromechanical filter
Patent
1987-08-11
1988-07-26
Nussbaum, Marvin L.
Wave transmission lines and networks
Coupling networks
Electromechanical filter
310313D, 333193, 333196, H03H 925, H03H 964
Patent
active
047603607
ABSTRACT:
A surface-wave resonator filter having at least two reflector structures and at least one interdigital transducer. At least a portion of one of the reflector structures has interruptions in the metallization strips thereof to define subsections of the metallization strip. Connecting metallizations are provided parallel to the wave propagation direction x between neighboring sub-sections of neighboring sub-divided metallization strips to electrically connect the neighboring sub-sections such that no two sub-sections of the same sub-divided metallization strip are electrically connected.
REFERENCES:
patent: 4340834 (1982-07-01), Sato
Grassl Hans P.
Zibis Peter
Nussbaum Marvin L.
Siemens Aktiengesellschaft
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