Telephone service control device

Details Telephone service control device Telephone service control device

1975-01-15

1976-07-20

Claffy, Kathleen H.

179 2TC, H04M 166

Patent

active

039707890

ABSTRACT:
A telephone service control device of multi-purpose character includes a housing mounted on a telephone set. Within the housing is an operating mechanism which is connected with the telephone circuit plungers to accomplish various functions according to accessory devices attached to the unit. The mechanism includes a central shaft and a plate, and levers for controlling the movement of the plate in response to action of the accessories.

REFERENCES:
patent: 2653195 (1953-09-01), Zimmermann
patent: 3296382 (1967-01-01), Klumb et al.
patent: 3472966 (1969-10-01), Simmons

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