Wave transmission lines and networks – Coupling networks – Electromechanical filter
Patent
1986-01-21
1987-01-27
Nussbaum, Marvin L.
Wave transmission lines and networks
Coupling networks
Electromechanical filter
310348, 310352, 333189, H03H 910, H03H 960, H03H 952
Patent
active
046396985
ABSTRACT:
A ceramic filter with planar, piezoelectric-type resonators and planar inputting, outputting, and grounding terminal boards arranged in parallel relationship in an insulating case with respective edges extending toward an open case side. Terminal legs extending from the respective edges are received in appropriately positioned and configured holes in an insulating lid which closes the case. Outer surface of the lid includes metalized areas for electrically connecting to the terminal legs and for connecting to an external circuit board.
REFERENCES:
patent: 2155035 (1939-04-01), Bieling
patent: 2542045 (1951-02-01), Minnich
patent: 4353045 (1982-10-01), Matsui et al.
patent: 4398162 (1983-08-01), Nagai
NGK Spark Plug Co. Ltd.
Nussbaum Marvin L.
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