Universal adapters for modular plug telephones

Details Universal adapters for modular plug telephones Universal adapters for modular plug telephones

1980-01-29

1982-12-07

Popek, Joseph A.

Geometrical instruments

339159R, H01R 2702

Patent

active

043629059

ABSTRACT:
The invention comprises a variety of unique adapters for use with modular plug telephones. The adapters permit multiple handsets or multiple telephones or any combination of both to be connected with a single telephone wall jack. The adapters comprise multiple jacks and plugs with suitable electric connections therein to provide the combination of telephones and handsets desired. In one embodiment the adapter combines multiple modular telephone plugs and jacks with a jack for the old style four prong telephone plug and an indicator light connection. In another embodiment a jack is provided for the connection of a tape recorder or other electronic equipment.

REFERENCES:
patent: 2952744 (1960-09-01), Semon
patent: 3876273 (1975-04-01), Schwartz
patent: 3887771 (1975-06-01), Spanel
patent: 4047787 (1977-09-01), Gumb et al.
patent: 4050768 (1977-09-01), Gumb
patent: 4061411 (1977-12-01), Gumb et al.
patent: 4129350 (1978-12-01), Winn
patent: 4178062 (1979-12-01), Abbo

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