IP address discovery for cable modem in set-top box

Details IP address discovery for cable modem in set-top box IP address discovery for cable modem in set-top box

2006-05-24

2009-06-09

Saltarelli, Dominic D (Department: 2421)

Interactive video distribution systems

Video distribution system components

Receiver

C725S111000, C709S245000, C375S222000, C375S257000

Reexamination Certificate

active

07546628

ABSTRACT:
A Set-Top Box configured with a modem and a Main Circuit Board consistent with certain embodiments learns the modem's IP address by establishing a predetermined relationship between a hardware address of the modem and a hardware address of the Main Circuit Board; at the Main Circuit Board: ascertaining the hardware address of the modem from the predetermined relationship; sending a query from the Main Circuit Board to the hardware address of the modem requesting the modem's IP address; and receiving a reply from the modem providing the modem's IP address to the Main Circuit Board. This abstract is not to be considered limiting, since other embodiments may deviate from the features described in this abstract.

REFERENCES:
patent: 5287103 (1994-02-01), Kasprzyk et al.
patent: 5588109 (1996-12-01), Dickinson et al.
patent: 5675831 (1997-10-01), Caputo
patent: 5910970 (1999-06-01), Lu
patent: 5929849 (1999-07-01), Kikinis
patent: 6005937 (1999-12-01), Lee
patent: 6990601 (2006-01-01), Tsuneya et al.
All art considered in examination of parent U.S. Appl. No. 09/686,120.

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