Network controller for cable television transmission system

Application Number: 00108013
Application Date: 2000.06.07
Publication Number: 1285684
Publication Date: 2001.02.28
Priority Information: 1992/12/9 US 07/991,074
International: G06F19/00;H04N5/00;H04N7/00
Applicant(s) Name: Discovery Communications, Inc.
Inventor(s) Name: John S. Henderics;Alphered E. Banna
Patent Agency Code: 72002
Patent Agent: du juan
Abstract The present invention provides a network controller of a digital cable headend used for monitoring all machine terminals in the TV program transmission system. The invention also relates to the method used by the network controller, especially suitable for the program transmission system with hundreds of program channels. It has the program selective system, wherein the program control signals may be carried with data available. The invention can be modify the program control signals on the cable socket and transmit to each machine terminal, which can be used for inquiring, collecting the signals from all machine terminal, and establish the whole set of ads, accounting and clearing report based on the received information, transmits to all machine terminal with pertinence.