Owner Cisco Technology, Inc.

Inventors Chapman, John T.; Santarpio, Richard J.; Prokopik, John P.; Dean, Alvar A.

Agent Wrays

Pub. Number AU-B-2004210367

PCT Pub. Number WO2004/070582

Priority 10/358,416 04.02.03 US

Filing date 4 February 2004

Wipo publication date 19 August 2004

Acceptance publication date 10 September 2009

H04L 12/28 (2006.01) Data switching networks - characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]

H04H 20/79 (2008.01) Arrangements for broadcast or for distribution combined with broadcast

H04H 60/97 (2008.01) Arrangements for broadcast applications with a direct linkage to broadcast information or to broadcast space-time

H04L 25/14 (2006.01) Baseband systems - Channel dividing arrangements

H04L 29/06 (2006.01) Arrangements, apparatus, circuits or systems, not covered by a single one of groups - characterised by a protocol

H04N 7/16 (2006.01) Television systems - Secrecy systems

H04N 7/173 (2006.01) Television systems - with two-way working, e.g. subscriber sending a programme selection signal

H04Q 11/04 (2006.01) Selecting arrangements for multiplex systems - for time-division multiplexing