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US4464012A Expired / Lapsed US ⏱️ 0.0 years remaining

Broad-band communication system comprising an optical broad-band cable network

Assignee: US Philips Corp
•
Filing: 1982-05-12
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Granted: 1984-08-07
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Expires: 2002-05-12
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Abstract

Abstract Broad-band communication system comprising a broad-band cable network arranged between an exchange and a large plurality of subscriber's stations. The network is formed by optical fibers. In order to avoid extra attenuation caused by splices, the incoming bundles of individual cables are, split at branching points, without splicing, into a number of separate outgoing bundles of individual cables.

Inventors

  • 👤 Giok D. Khoe
  • 👤 Friedrich Krahn

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 09:51
CPC Classifications
H; H04; H04B; H04B10/00; H04B10/27; H04B10/272; G; G02; G02B; G02B6/00; G02B6/44; G02B6/4401; G02B6/4403; G02B6/4404; G02B6/4439; G02B6/4471; G02B6/4472

Claims Analysis

Total Claims: 7
Claim 1
Independent Claim 152 words
An optical broad-band cable network arranged between an exchange and a plurality of subscribers' stations in a broad-band communication system, said cable network comprising: a plurality of optical fibers extending from the exchange to the subscribers' stations, said fibers being arranged in bundles, said bundles having decreasing numbers of fibers as the bundles extend from the exchange to the subscribers' stations; and a plurality of branching points at each of which an incoming bundle of fibers is split into two or more separate outgoing bundles of fibers; characterized in that: each bundle of fibers comprises a plurality of individual optical fiber cables extending in the same direction; and at two or more consecutive branching points, from the exchange to the subscribers' stations, an incoming bundle of optical fiber cables is divided without splices into two or more separate outgoing bundles of optical fiber cables, the separate outgoing bundles extending in different directions.
Claim 2
Dependent Claim 152 words
An optical broad-band cable network arranged between an exchange and a plurality of subscribers' stations in a broad-band communication system, said cable network comprising: a plurality of optical fibers extending from the exchange to the subscribers' stations, said fibers being arranged in bundles, said bundles having decreasing numbers of fibers as the bundles extend from the exchange to the subscribers' stations; and a plurality of branching points at each of which an incoming bundle of fibers is split into two or more separate outgoing bundles of fibers; characterized in that: each bundle of fibers comprises a plurality of individual optical fiber cables extending in the same direction; and at two or more consecutive branching points, from the exchange to the subscribers' stations, an incoming bundle of optical fiber cables is divided without splices into two or more separate outgoing bundles of optical fiber cables, the separate outgoing bundles extending in different directions.
Claim 3
Dependent Claim 140 words
A broad-band communication system comprising: an exchange; a plurality of subscribers' stations; a plurality of optical fibers extending from the exchange to the subscribers' stations, said fibers being arranged in bundles, said bundles having decreasing numbers of fibers as the bundles extend from the exchange to the subscribers' stations; and a plurality of branching points at each of which an incoming bundle of fibers is split into two or more separate outgoing bundles of fibers; characterized in that: each bundle of fibers comprises a plurality of individual optical fiber cables extending in the same direction; and at two or more consecutive branching points, from the exchange to the subscribers' stations, an incoming bundle of optical fiber cables is divided without splices into two or more separate outgoing bundles of optical fiber cables, the separate outgoing bundles extending in different directions.
Claim 4
Dependent Claim 140 words
A broad-band communication system comprising: an exchange; a plurality of subscribers' stations; a plurality of optical fibers extending from the exchange to the subscribers' stations, said fibers being arranged in bundles, said bundles having decreasing numbers of fibers as the bundles extend from the exchange to the subscribers' stations; and a plurality of branching points at each of which an incoming bundle of fibers is split into two or more separate outgoing bundles of fibers; characterized in that: each bundle of fibers comprises a plurality of individual optical fiber cables extending in the same direction; and at two or more consecutive branching points, from the exchange to the subscribers' stations, an incoming bundle of optical fiber cables is divided without splices into two or more separate outgoing bundles of optical fiber cables, the separate outgoing bundles extending in different directions.
Claim 5
Dependent Claim 178 words
An optical broad-band cable network arranged between an exchange and a plurality of subscribers' stations in a broad-band communication system, said cable network comprising: a plurality of optical fibers extending from the exchange to the subscribers' stations, said fibers being arranged in bundles, said bundles having decreasing numbers of fibers as the bundles extend from the exchange to the subscribers' stations; and a plurality of branching points at each of which an incoming bundle of fibers is split into two or more separate outgoing bundles of fibers; characterized in that: each bundle of fibers comprises a plurality of individual optical fiber cables extending in the same direction; at two or more consecutive branching points, from the exchange to the subscribers' stations, an incoming bundle of optical fiber cables is divided without splices into two or more separate outgoing bundles of optical fiber cables, the separate outgoing bundles extending in different directions; and at one or more other branching points the fibers of the incoming bundle are spliced in a one-to-one relationship to the fibers of the outgoing bundles.
Claim 6
Dependent Claim 178 words
An optical broad-band cable network arranged between an exchange and a plurality of subscribers' stations in a broad-band communication system, said cable network comprising: a plurality of optical fibers extending from the exchange to the subscribers' stations, said fibers being arranged in bundles, said bundles having decreasing numbers of fibers as the bundles extend from the exchange to the subscribers' stations; and a plurality of branching points at each of which an incoming bundle of fibers is split into two or more separate outgoing bundles of fibers; characterized in that: each bundle of fibers comprises a plurality of individual optical fiber cables extending in the same direction; at two or more consecutive branching points, from the exchange to the subscribers' stations, an incoming bundle of optical fiber cables is divided without splices into two or more separate outgoing bundles of optical fiber cables, the separate outgoing bundles extending in different directions; and at one or more other branching points the fibers of the incoming bundle are spliced in a one-to-one relationship to the fibers of the outgoing bundles.
Claim 7
Dependent Claim 31 words
An optical broad-band cable network as claimed in claim 3, characterized in that the outgoing bundles comprise cables of the same type and having the same number of fibers per cable.

References Cited (Backward Citations)

DE2324577A1 Cited
US4172631A Cited
US4165225A Cited
US4105285A Cited
JPS5335402A Cited
US4232385A Cited
DE2818656A1 Cited
JPS5735253A Cited
JPS57158810A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1987-08-07 1988-02-06 1988-08-07 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1991-08-07 1992-02-06 1992-08-07 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1995-08-07 1996-02-06 1996-08-07 $7700.00 Window Closed / Lapsed

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