Telephone line attenuator network and attenuator pad therefor

Details Telephone line attenuator network and attenuator pad therefor Telephone line attenuator network and attenuator pad therefor

1976-11-08

1980-09-02

Brown, Thomas W.

Electrical resistors

Incased, embedded, or housed

Element in insulation with outer metallic sheath

179 1PC, 179 98, 338221, 338320, 361409, H04M 176, H05K 702

Patent

active

042208343

ABSTRACT:
A telephone line attenuator pad comprises a printed circuit board one portion of which mounts a plurality of resistances each connected in series with a pair of electrical printed circuit conductors. The resistances and mounting portion of the board are potted within a hollow case and the remaining portion of the board, including portions of the printed circuit conductors, projects from the case for removable mounting, in either of two opposing orientations, in an electrical connector to which are connected a plurality of permanent, fixed resistors included in the attenuator network to which telephone line circuitry is connected.

REFERENCES:
patent: 3130351 (1964-04-01), Giel
patent: 3177406 (1965-04-01), Bernstein
patent: 3462558 (1969-08-01), Selz
"Potted Electronic Circuits", Radio & Television News, Dec. 1950, p. 6A et seq.

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