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EP0789502A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

Data distribution systems

Assignee: BAE Systems Electronics Ltd
•
Filing: 1997-02-06
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Granted: —
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Expires: 2017-02-06
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Abstract

Abstract An in flight entertainment system (2) for an aircraft comprises an asynchronous transfer mode network which encodes, carries, switches, and delivers entertainment services as digital data streams. Services provided by the system are video, audio, announcements, data provision, systems controls, telephony and games. The network comprises copper and optical fibre (70, 72) links.

Inventors

  • 👤 Charles Mcspirit
  • 👤 Colin Michael Harvey

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-10-29 18:34
CPC Classifications
H; H04; H04Q; H04Q11/00; H04Q11/04; H04Q11/0428; H04Q11/0478; H04B; H04B7/00; H04B7/14; H04B7/15; H04B7/185; H04B7/18502; H04B7/18506; H04L; H04L12/00; H04L12/28; H04L12/54; H04L12/56; H04L12/5601; H04L2012/5603; H04L2012/5604; H04L2012/5605; H04L2012/5614; H04L2012/5615; H04L2012/5616; H04L2012/5638; H04L2012/564

Claims Analysis

Total Claims: 10
Claim 1
Independent Claim 18 words
An entertainment system (2) to be used in a mode of transportation comprising an asynchronous transfer mode network.
Claim 2
Dependent Claim 22 words
A system (2) according to claim 1 in which the entertainment services provided by the network are provided in a digital format.
Claim 3
Dependent Claim 24 words
A system (2) according to claim 1 or claim 2 in which digital data is switched by a central asynchronous transfer mode switch (26).
Claim 4
Independent Claim 16 words
A system according to any preceding claim which is served by a stored data source (10).
Claim 5
Independent Claim 18 words
A system (2) according to any preceding claim in which the network comprises optical fibre links (70, 72).
Claim 6
Independent Claim 20 words
A system (2) according to any preceeding claim in which individual seat groups are connected by optical fibre links (72).
Claim 7
Independent Claim 27 words
A system (2) according to any preceding claim in which at least two switching nodes (54) in the network are linked in a daisy chain arrangement (68).
Claim 8
Independent Claim 20 words
A system (2) according to any preceding claim in which the network is a three tier (4, 6, 8) hierarchy.
Claim 9
Dependent Claim 26 words
A system according to claim 8 in which the tiers are a central or head tier (4), a zone tier (6) and a seat tier (8).
Claim 10
Independent Claim 17 words
A system (2) according to any preceding claim in which the mode of transportation is an aircraft.

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