Wave transmission lines and networks – Coupling networks – Frequency domain filters utilizing only lumped parameters
Patent
1988-11-23
1990-01-16
Laroche, Eugene R.
Wave transmission lines and networks
Coupling networks
Frequency domain filters utilizing only lumped parameters
439607, 439620, 333167, 333181, 174 5052, H03H 701
Patent
active
048946303
ABSTRACT:
A conversion adapter including noise filters for eliminating high frequency noise yet having a simple wiring arrangement. The conversion adapter of the invention has two connectors supported on an adapter frame body and spaced opposite to each other and at a different configuration with respect to each other, a small-sized printed circuit board disposed between the two connectors, a plurality of 3-terminal noise filters arrayed in a row on the central portion of the printed board, and board-in connectors for connecting wires led from the connectors to both sides of the noise filters arranged on the circuit board. Assembly is greatly simplified since the wires from the connectors may be connected to the terminals of the board-in connectors prior to final assembly.
REFERENCES:
patent: 4673237 (1987-06-01), Wadsworth
patent: 4757282 (1988-07-01), Sakamoto et al.
patent: 4789847 (1988-12-01), Sakamoto et al.
Kobayashi Yukihiro
Ueta Masamichi
Ham Seung
LaRoche Eugene R.
NEC Home Electronics Ltd.
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