Tuning apparatus and method of producing the same

Details Tuning apparatus and method of producing the same Tuning apparatus and method of producing the same

1978-04-03

1980-07-15

Smith, Alfred E.

Wave transmission lines and networks

Coupling networks

Frequency domain filters utilizing only lumped parameters

29841, 333174, 333175, H03H 710, H03H 100, H01R 1316, H01R 1366

Patent

active

042131065

ABSTRACT:
A tuning apparatus and a method of producing the same. The tuning apparatus comprises a base having a recess for receiving a capacitor therein, and coils mounted on the base, wherein the front ends of the comb teeth of two comb-shaped formed parts obtained by press-working an electrically conductive metal sheet are received in the recess and are fixed in position by pouring resin into the recess, the roots of the comb teeth of the comb-shaped formed parts being then severed, thereby separating the comb teeth from each other to provide independent external terminals. The comb teeth include connector comb teeth whose ends are directly connected to the capacitor terminals, and a presser tooth which urges the capacitor toward the connector comb teeth.

REFERENCES:
patent: 3077022 (1963-02-01), Cullis
patent: 3555464 (1971-01-01), Maeda

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