Intergrated communication apparatus

Details Intergrated communication apparatus Intergrated communication apparatus

2011-04-12

2011-04-12

Tran, Tuan A (Department: 2618)

Telecommunications

Transmitter and receiver at same station

Radiotelephone equipment detail

C455S041200, C455S550100, C455S553100, C455S569100, C455S575100, C455S575200, C455S090100, C455S090300, C455S074000, C455S074100

Reexamination Certificate

active

07925296

ABSTRACT:
An integrated communication apparatus is linked to the PSTN or the Internet for making a PSTN call or a VoIP call. The integrated communication apparatus includes a Bluetooth earphone having a signal transmitting terminal, and a body having an earphone receiving slot and a control circuit board. The earphone receiving slot is used for receiving the earphone and the signal transmitting terminal of the Bluetooth earphone is electrically connected with the control circuit board. The control circuit board includes a control module. The control module is connected with a Bluetooth module, a wireless VoIP module, a PSTN module, a voice-signal encoding/decoding circuit, a judging and charging circuit, and a voice-signal switching module for operating and controlling the modules and the circuits. The voice-signal switching module is connected with a speaker and a microphone via an ECHO eliminating circuit.

REFERENCES:
patent: 7327981 (2008-02-01), Hundal
patent: 2006/0166715 (2006-07-01), Van Engelen et al.

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