Pulse width modulator for communication system including fiber optic communications

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United States of America Patent

PATENT NO 6457178
SERIAL NO

09040008

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Abstract

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A cable television system (100) includes ahead end section (105) for processing information provided from subscriber equipment via a reverse path within the system (100). The reverse signal is provided from subscriber equipment in the form of a broadband RF signal, which can include voice, data, and/or video information. The broadband RF signal is provided from a plurality of subscribers to a node (200) that pulse width modulates the RF signal to generate a reverse optical signal. The pulse width modulated optical signal is then provided to the head end section (105) for processing to recover the information contained therein.

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Patent Owner(s)

Patent OwnerAddress
CISCO TECHNOLOGY INC170 WEST TASMAN DRIVE SAN JOSE CA 95134

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Slim, David H Douglasville, GA 2 32

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