Telecommunications – Transmitter and receiver at same station – Radiotelephone equipment detail
Reexamination Certificate
2005-12-13
2005-12-13
Trost, William (Department: 2683)
Telecommunications
Transmitter and receiver at same station
Radiotelephone equipment detail
C455S556200, C455S556100, C455S412100, C342S357490, C342S357490, C342S357490, C701S214000, C701S209000
Reexamination Certificate
active
06975887
ABSTRACT:
A vehicle communication system is disclosed, which includes a voice output device for voice output, a voice pick-up device for voice input, a packet assembler/disassembler unit adapted for assembling different vehicle supplementary system data into respective packet data or disassembling demodulated packet data into corresponding vehicle supplementary system data, a GSM module adapted for transmitting data-carrying voice signal to a remote side or receiving data-carrying voice signal from a remote side, a carrier wave modulator circuit adapted for modulating packet data into analog signal and adding the modulated analog signal to the voice signal from the voice pick-up device to form a data-carrying voice signal for transmitting to a remote side through the GSM module, and a demodulator circuit adapted for demodulating data-carrying voice signal and discriminating the signal into packet data and voice signal.
REFERENCES:
patent: 5923761 (1999-07-01), Lodenius
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patent: 6754485 (2004-06-01), Obradovich et al.
Chen Kuo-Rong
Huang Cheng-Hung
Lee Chun-Chung
Bacon & Thomas PLLC
Le Danh C.
Sin Etke Technology Co., Ltd.
Trost William
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