Method and apparatus for connecting broadband voice and data...

Details Method and apparatus for connecting broadband voice and data... Method and apparatus for connecting broadband voice and data...

2006-09-12

2006-09-12

Anderson, Matthew (Department: 2618)

Telephonic communications

Subscriber line or transmission line interface

C379S093010, C379S093090, C379S406010

Reexamination Certificate

active

07106855

ABSTRACT:
A system for use in connecting broadband voice and data signals to communications systems such as the telephone system. Due to the low pass filtering characteristics of a standard twisted pair used in conventional telephone access loops data band signals are attenuated more than voice band signals. The present invention provides apparatus and methods for interfacing data and voice band signals to a common communications medium, such as a twisted pair, while significantly reducing the influence of one frequency band on the other.

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Starr, T. et al., Understanding Digital Subscriber Line Technology, Prentice-hall, Upper Saddler River, 1999, pp. 140 to 142.

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