Telephonic communications – Subscriber line or transmission line interface
Reexamination Certificate
2006-05-02
2006-05-02
Tran, Sinh (Department: 2646)
Telephonic communications
Subscriber line or transmission line interface
C379S093310, C379S403000, C379S413020, C379S413030, C379S413040
Reexamination Certificate
active
07039180
ABSTRACT:
A method and apparatus for enabling multiple protocol communication over a network are disclosed. A first circuit communicates first signals in a first frequency band using a first data protocol and attenuates second signals in a second frequency band using a second data protocol. The first data protocol supports a first modulation technique and a second modulation technique. A second circuit communicates the second signals in the second frequency band using the second data protocol.
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Chow Steven
Issaa Michael A.
Baker & Botts L.L.P.
Cisco Technology Inc.
Singh Ramnandan
Tran Sinh
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