EP0789502A2
Expired / Lapsed
EP
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Data distribution systems
Assignee: BAE Systems Electronics Ltd
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Filing: 1997-02-06
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Granted: —
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Expires: 2017-02-06
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.
References Cited (Backward Citations)
No citation records indexed.
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