Bluetooth remote PTT and handsfree communication system and...

Details Bluetooth remote PTT and handsfree communication system and... Bluetooth remote PTT and handsfree communication system and...

2007-01-08

2010-10-12

Nguyen, Tuan H (Department: 2618)

Telecommunications

Transmitter and receiver at separate stations

Short range rf communication

C455S041300, C455S517000, C455S553100

Reexamination Certificate

active

07813696

ABSTRACT:
A Bluetooth remote PTT (Push-To-Talk) and handsfree communication system and a method of providing the same are disclosed. The Bluetooth remote PTT and handsfree communication system includes a dongle, connected to the handset transceiver or the CDMA terminal, for toggling a transmission mode and a reception mode in accordance with a key signal transmitted from a PTT key device. The dongle transmits an audio signal outputted from the handset transceiver to a headset in the reception mode, and receives a voice signal transmitted from the headset in the transmission mode to output the received voice signal to the handset transceiver. The headset receives and outputs the audio signal transmitted from the dongle, receives an input of user's voice, and transmits the user's voice signal to the dongle. The PTT key device transmits the key signal for toggling the transmission/reception mode according to a user's manipulation to the dongle. The dongle, the headset, and the PTT key device perform short-range wireless communications using Bluetooth.

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patent: 2004/0022395 (2004-02-01), Turnbull
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patent: 1 443 665 (2004-08-01), None
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patent: 10-2004-0013632 (2004-02-01), None
patent: 01/45282 (2001-06-01), None

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