Network for interactive distribution of video, audio and telematic information
First Claim
1. Network for interactive distribution of video, audio and telematic information, with star cabling from a distribution center, including a plurality of subscribers dependent on the distribution center having remote control devices enabling the subscribers to choose one of a plurality of programmes offered by the distribution center, characterized in that the network comprises, in the distribution center, a video bus connected to a plurality of information sources of which a subscriber may or may not be entitled to be connected to, and for each of said plurality of subscribers there is provided a switching module remotely controlled by the subscriber in order to establish a connection to one of said information sources, the switching module being connected to a processor for managing the distribution center, such that if the information source is one to which the subscriber is not entitled to be connected, an output of a detector-decoder circuit is set in a high impedance state by the processor in order to end connection to the information source and then connect the subscriber to a shadow source without video images or a messaging source transmitted through the processor.
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Accused Products
Abstract
The network of the inventnion, of the type with star cabling, comprises a distribution center to which are connected by cable subscribers each having a remote control unit. The center comprises a video bus connected to the various program sources, this bus being connected to selection modules (M1 to MN) the number of which is equal to that of the subscribers and which are remotely controlled by these subscribers. A microcomputer monitors the legality of the connections established.
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Citations
10 Claims
- 1. Network for interactive distribution of video, audio and telematic information, with star cabling from a distribution center, including a plurality of subscribers dependent on the distribution center having remote control devices enabling the subscribers to choose one of a plurality of programmes offered by the distribution center, characterized in that the network comprises, in the distribution center, a video bus connected to a plurality of information sources of which a subscriber may or may not be entitled to be connected to, and for each of said plurality of subscribers there is provided a switching module remotely controlled by the subscriber in order to establish a connection to one of said information sources, the switching module being connected to a processor for managing the distribution center, such that if the information source is one to which the subscriber is not entitled to be connected, an output of a detector-decoder circuit is set in a high impedance state by the processor in order to end connection to the information source and then connect the subscriber to a shadow source without video images or a messaging source transmitted through the processor.
Specification