Wave transmission lines and networks – Coupling networks – Frequency domain filters utilizing only lumped parameters
Patent
1990-11-29
1992-09-22
Laroche, Eugene R.
Wave transmission lines and networks
Coupling networks
Frequency domain filters utilizing only lumped parameters
333167, 333 12, H03H 700
Patent
active
051500876
ABSTRACT:
An electrical signal filter in which circuit provided with filter circuits are inserted into a cylinder-shaped shield case, has a first cavity portion having an inner case. The side of one end of the inner case has the circuit boards inserted, and the side of the other end thereof is provided with one of an input side connector and an output side connector. The electrical signal filter also has a second cavity portion having a second shield case having an outer case. The side of one end of the second shield case is provided with one of an output side connector and an input side connector.
REFERENCES:
patent: 4451803 (1984-05-01), Holdsworth et al.
patent: 4701726 (1987-10-01), Holdsworth
patent: 4845447 (1989-07-01), Holdsworth
Sato Hironobu
Yoshie Hiroto
LaRoche Eugene R.
Mitsumi Electric Co. Ltd.
Neyzari Ali
Regal Technologies Ltd.
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