Telecommunications – Carrier wave repeater or relay system – Portable or mobile repeater
Reexamination Certificate
2006-04-18
2006-04-18
Vuong, Quochien B. (Department: 2682)
Telecommunications
Carrier wave repeater or relay system
Portable or mobile repeater
C455S041100, C455S041200, C455S041300, C455S569100, C455S569200
Reexamination Certificate
active
07031656
ABSTRACT:
A hands-free telephone conversation system includes a communication device having a microphone that receives a voice from a user, a speaker that outputs the other party's voice, a control unit that detects the status of the wireless communication, and a local wireless communication unit that wirelessly communicates with a relay device. The relay device includes a microphone that receives the voice from the user, a local wireless communication unit that wirelessly communicates with the communication device, a communication control unit that detects the status of the wireless communication, a microphone switch unit that switches the voice input reception of the microphone, and a network communication unit that sends and receives the voice to and from the other party's communication device through a network.
REFERENCES:
patent: 5809141 (1998-09-01), Dent et al.
patent: 6397086 (2002-05-01), Chen
patent: 2002/0132585 (2002-09-01), Palermo et al.
patent: 2002/0142803 (2002-10-01), Yamamoto
patent: 11-146460 (1999-05-01), None
Ata Teruaki
Hatakeyama Takeshi
Kindo Tsuyoshi
Moriguchi Ken-ichi
Tomoda Masaaki
Phu Sanh
Vuong Quochien B.
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