ACCESS SYSTEM AND METHOD FOR PROVIDING INTERACTIVE ACCESS TO AN INFORMATION SOURCE THROUGH A TELEVISION DISTRIBUTION SYSTEM

ACCESS SYSTEM AND METHOD FOR PROVIDING INTERACTIVE ACCESS TO AN INFORMATION SOURCE THROUGH A TELEVISION DISTRIBUTION SYSTEM

An access system and method for providing interactive access to an information source through a television distribution system is disclosed. The distribution system includes a television distribution network, headend distribution equipment at the headend of the distribution network, and a plurality...

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Hauptverfasser: KRISBERGH, HAROLD, M, WACHOB, DAVID, E, AUGENBRAUN, JOSEPH, E, DILL, DAVID A, LEE, JAE, HEA, EDWARD
Format: Patent
Sprache:eng ; fre ; ger
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ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
PICTORIAL COMMUNICATION, e.g. TELEVISION
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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creator KRISBERGH, HAROLD, M
WACHOB, DAVID, E
AUGENBRAUN, JOSEPH, E
DILL, DAVID A
LEE, JAE, HEA, EDWARD
description An access system and method for providing interactive access to an information source through a television distribution system is disclosed. The distribution system includes a television distribution network, headend distribution equipment at the headend of the distribution network, and a plurality of terminals at terminal ends of the distribution network. An input device and an upstream transmitter are associated with one of the terminals to input a command for the information source and to transmit the inputted command on an upstream channel of the distribution network, respectively. A headend server, upstream receiver, and blank interval inserter are associated with the headend distribution equipment. The headend server is interfaced to the information source. The upstream receiver is interfaced to the headend server to receive and forward the command to the headend server. The headend server transmits the forwarded command to the information source, and the information source transmits responsive information to the headend server. The blank interval inserter receives the information from the headend server and inserts sequential portions into blank intervals of sequential picture fields of a television transmission on a downstream channel of the distribution network. The blank interval extractor is interfaced to the terminal to extract the inserted sequential portions. The extracted information is then displayed on a display device associated with the terminal.
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The distribution system includes a television distribution network, headend distribution equipment at the headend of the distribution network, and a plurality of terminals at terminal ends of the distribution network. An input device and an upstream transmitter are associated with one of the terminals to input a command for the information source and to transmit the inputted command on an upstream channel of the distribution network, respectively. A headend server, upstream receiver, and blank interval inserter are associated with the headend distribution equipment. The headend server is interfaced to the information source. The upstream receiver is interfaced to the headend server to receive and forward the command to the headend server. The headend server transmits the forwarded command to the information source, and the information source transmits responsive information to the headend server. The blank interval inserter receives the information from the headend server and inserts sequential portions into blank intervals of sequential picture fields of a television transmission on a downstream channel of the distribution network. The blank interval extractor is interfaced to the terminal to extract the inserted sequential portions. 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subjects ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
PICTORIAL COMMUNICATION, e.g. TELEVISION
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
title ACCESS SYSTEM AND METHOD FOR PROVIDING INTERACTIVE ACCESS TO AN INFORMATION SOURCE THROUGH A TELEVISION DISTRIBUTION SYSTEM
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