Telephonic communications – Substation or terminal circuitry
Reexamination Certificate
2004-10-18
2009-12-15
Gauthier, Gerald (Department: 2614)
Telephonic communications
Substation or terminal circuitry
C379S093090, C379S142080, C379S386000, C379S399010, C379S413020
Reexamination Certificate
active
07634078
ABSTRACT:
The communication terminal device includes a handset, a central controller, a telephone network adaptor unit for converting analog signals transmitted/received between telecommunication network and the communication terminal device into digital signals, an interface unit physically isolating the central controller from the telephone network adaptor unit, and transmitting/receiving the converted digital signals between the central controller and the telephone network adaptor unit, and a telephone circuit unit which transmits the voice signals generated by processing the digital signals received from the telephone network adaptor unit to a handset through the interface unit and transmits the digital signals generated by processing the voice signals received from the handset to the telephone network adaptor unit through the interface unit. The telephone network adaptor unit is controlled by the central controller and changes the physical characteristics of the analog signals to be adapted to the physical characteristics of the telecommunication network.
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Korean Patent Office Action dated Aug. 23, 2005 of 10-2003-0072802 and Translation.
Gauthier Gerald
Roylance Abrams Berdo & Goodman L.L.P.
Samsung Electronics Co,. Ltd.
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