Handsfree structure with antibackground noise function

Details Handsfree structure with antibackground noise function Handsfree structure with antibackground noise function

2006-05-09

2006-05-09

Le, Lana (Department: 2685)

Telecommunications

Transmitter and receiver at same station

Radiotelephone equipment detail

C455S575100, C455S090300, C455S550100, C381S151000, C381S326000, C381S355000

Reexamination Certificate

active

07043279

ABSTRACT:
A handsfree structure with antibackground noise function, comprising: a male plug, coupled to an output of a mobilephone; a voice receiving device, coupled to said male plug by a wire for picking up a voice signal of a user; a reaction type voice receiving device, coupled to said male plug by said wire for picking up said voice signal of said user by sensing the vibration of skin of said user; and a earphone set, coupled to said male plug by said wire for transformation a electric signal received from said mobilephone into a voice signal; while said mobilephone receiving a call, said user could switch said handsfree structure from said voice receiving device to said reaction type voice receiving device or from said reaction type voice receiving device to said voice receiving device according to a background noise of the environment for getting more clear voice signal so as to improve the communication quality of a high background noise environment.

REFERENCES:
patent: 2773941 (1956-12-01), Christiansen
patent: 2832842 (1958-04-01), Knauert
patent: 4901354 (1990-02-01), Gollmar et al.
patent: 5673328 (1997-09-01), Wandl et al.
patent: 5757935 (1998-05-01), Kang et al.
patent: 6483917 (2002-11-01), Kang et al.
patent: 6519345 (2003-02-01), Yang
patent: 6724908 (2004-04-01), Fukuyama
patent: 2002/0110252 (2002-08-01), Liu

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