Communication process device and method therefor

Details Communication process device and method therefor Communication process device and method therefor

1997-05-22

2000-09-19

Isen, Forester W.

Telephonic communications

Terminal

Having loudspeaking conversation capability

379373, 379430, 455550, H04M 900

Patent

active

061223697

ABSTRACT:
A device for attaching a earphone key to an earphone-microphone used for a portable phone and performing communication operations and a method therefor. The communication process device of a portable phone including: an earphone-microphone having an earphone key and a plug; a jack for transmitting the voice signal received from a counterpart station to the earphone-microphone upon insertion of the plug and for transmitting a user's voice signal; an earphone-microphone detection unit for generating an earphone-microphone signal upon insertion of the plug; an earphone key sensing unit for generating an earphone key signal upon input of the earphone key; a micro processor for controlling communication functions upon sensing presence/absence of input of the earphone-microphone signal, if the earphone key signal is inputted upon sense of a ring, if the earphone key signal is inputted after input of a telephone number, and if, during communication, the earphone key signal is not inputted for given time; an audio processor for processing a voice upon calling by control of the micro processor; and an earphone-microphone selection unit for selecting a microphone of the earphone-microphone by the external microphone selection signal.

REFERENCES:
patent: 5475872 (1995-12-01), Sato
patent: 5487182 (1996-01-01), Hansson
patent: 5642402 (1997-06-01), Vilmi et al.
patent: 5802167 (1998-09-01), Hong

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