| US 7,526,789 B2 | ||
| System for the transmission of audiovisual signals between source nodes and destination nodes | ||
| Stephane Bizet, Rennes (France) | ||
| Assigned to Canon Europa NV, Amstelveen (Netherlands) | ||
| Filed on Feb. 07, 2003, as Appl. No. 10/359,639. | ||
| Claims priority of application No. 02 1665 (FR), filed on Feb. 11, 2002. | ||
| Prior Publication US 2003/0221195 A1, Nov. 27, 2003 | ||
| Int. Cl. H04N 7/173 (2006.01); H04N 7/16 (2006.01); H04N 7/18 (2006.01); G06F 9/00 (2006.01); H04L 9/32 (2006.01) | ||
| U.S. Cl. 725—119 [725/25; 725/78; 726/12; 726/29] | 23 Claims |
| 1. A system for the transmission of signals between at least one source node and at least one destination node, the system
comprising:
a central switch, connected to a source node;
a plurality of home networks, including a first home network comprising a destination node, each home network being connected
to the central switch via at least an access node,
wherein the central switch comprises an interconnection management unit for managing the exchange of signals, the interconnection
management unit comprising a selective authorization unit for selectively authorizing the transmission of signals from the
source node to the destination node through the central switch and the access node,
wherein the central switch comprises a detection unit for detecting a direct junction between two networks of the plurality
of home networks, which does not go through the central switch, and
wherein the selective authorization unit prohibits the transmission of signals through the central switch from a source node
to a destination node included in one of the home networks involved in the direct junction.
|