Telephonic communications – Telephone line or system combined with diverse electrical...
Reexamination Certificate
2007-06-05
2007-06-05
Woo, Stella (Department: 2614)
Telephonic communications
Telephone line or system combined with diverse electrical...
C379S093080
Reexamination Certificate
active
10970734
ABSTRACT:
An interactive system and method for communicating data over a network of twisted pair wiring that is in active use as a conductive path for ordinary telephone signals. Data is encoded redundantly in multiple channels to avoid interference by noise on the telephone network, such as interference from common radio signals. Data is also communicated in the reverse direction using a more general procedure. This reverse channel can be located above the telephone voice band and below the multiple data channels. Data communications are accomplished without interfering with voice communications. The transmitted data may include audio/video signals, and signals from infrared transmitters.
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Arto
Domnitz Robert
Goodman David D.
Hansen Huang Tech. Law Group LLP
Inline Connection Corporation
Woo Stella
LandOfFree
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