Apparatus and method for automatically switching a headset betwe

Telephonic communications – Centralized switching system – Switching apparatus for connecting calling line to...

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Details

379 9001, 37911001, 379267, 379424, H04M 351, H04M 108

Patent

active

060918128

ABSTRACT:
An apparatus and method are disclosed for connecting a headset alternately to a telephone line and an audio device. The apparatus includes an audio connector for connecting the apparatus to the audio device, a telephone connector for connecting the apparatus to the telephone line, and a headset connector for connecting the apparatus to the headset. The apparatus also includes a switching circuit connected to the audio, telephone and headset connectors. The switching circuit connects the telephone connector to the headset connector in response to sensing a voltage greater than a predetermined threshold on the telephone line. When the voltage sensed returns to a value less than the predetermined threshold value, the switching circuit reconnects the headset connector to the audio connector.

REFERENCES:
patent: 4517413 (1985-05-01), Pavitt, Jr.
patent: 4560838 (1985-12-01), Meisenheimer
patent: 4653087 (1987-03-01), Galich
patent: 4790002 (1988-12-01), D'Agosto, III et al.
patent: 5128987 (1992-07-01), McDonough et al.
patent: 5694467 (1997-12-01), Young, III

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