Wave transmission lines and networks – Coupling networks – Electromechanical filter
Patent
1985-02-08
1986-10-21
Nussbaum, Marvin L.
Wave transmission lines and networks
Coupling networks
Electromechanical filter
310313D, 333153, 333194, 333196, H03H 9145, H03H 942, H03H 964
Patent
active
046188410
ABSTRACT:
An electronics component operating with reflected acoustic waves having a division of weighted reflector fingers into respective sequences of sub-pieces which have a weighting offset relative to one another. A continuation of the fingers extending beyond a principal path is provided by additional, weighted sub-pieces. The additional weighted sub-pieces are at least a fundamental repetition of the sequence of sub-pieces of the corresponding weighted finger of the principal path. The additional sub-pieces are provided in view of distortions which occur causing the waves to follow a path which laterally deviates from the principal path.
REFERENCES:
patent: 4365220 (1982-12-01), Hikita
patent: 4403165 (1983-09-01), Ballato et al.
Nussbaum Marvin L.
Siemens Aktiengesellschaft
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