Two-line, hands-free telephone system

Details Two-line, hands-free telephone system Two-line, hands-free telephone system

1990-02-14

1992-04-28

Dwyer, James L.

Telephonic communications

Terminal

Housing or housing component

379428, 381151, H04M 100

Patent

active

051094100

ABSTRACT:
A user can alternately send information to one of two parties on different telephone lines by mounting a microphone/speaker transducer in each ear, and connecting each transducer to a speech network device that is operatively connected to the respective telephone lines such that each transducer is connected to a different one of the telephone lines. The user may speak exclusively to only one of the parties by selectively muting the transmission of microphone signals through the speech network device connected to the telephone line connected to other party. Because the transducers are of the hands-free type, the user can easily manipulate the muting switch of one or the other of the speech network devices in accordance with which of the two parties to whom he wishes to speak in private.

REFERENCES:
patent: 4025734 (1977-05-01), Aloupis
patent: 4588867 (1986-05-01), Konomi

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