Telephone headset

Details Telephone headset Telephone headset

1978-03-30

1979-11-20

Cooper, William C.

H04M 105

Patent

active

041752171

ABSTRACT:
A telephone headset including a dialing mechanism for allowing a user to place and receive calls, without being disturbed by loud noises nearby, when the headset is connected to a telephone line. The headset also includes a signaling device for alerting the user to incoming calls when a switch on the headset is in one of two given states. A dial tone is obtained prior to making outgoing calls by placing the switch in its second state.

REFERENCES:
patent: 2410434 (1946-11-01), Edwards et al.
patent: 3426160 (1969-02-01), Ring
patent: 3555207 (1971-01-01), Cech
patent: 4048453 (1977-09-01), Seidel

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