Assignee
ALCATEL SUBMARCOM
FR·32 granted patents·2 pending applications·403 citations·filing 1995–2025
Top patents by PatentIndex Score
34 records- 0186US11499849B2Method and apparatus for suppression of noise due to transmitted signal instability in a coherent fiber optical sensor systemALCATEL SUBMARCOM·Filed 2020·Granted Nov 15, 2022·2 cites·18 claims
- 0283US11095370B2Symmetrical supervisory optical circuit for a bidirectional optical repeaterALCATEL SUBMARCOM·Filed 2020·Granted Aug 17, 2021·2 cites·15 claims
- 0382US11828631B2Method and apparatus for suppression of noise due to local oscillator instability in a coherent fiber optical sensorALCATEL SUBMARCOM·Filed 2020·Granted Nov 28, 2023·1 cites·17 claims
- 0480US5854704AReceiver for optical digital transmission systemALCATEL SUBMARCOM·Filed 1997·Granted Dec 29, 1998·78 cites·13 claims
- 0578US10833766B2Monitoring equipment for an optical transport systemALCATEL SUBMARCOM·Filed 2019·Granted Nov 10, 2020·6 cites·15 claims
- 0676US5675690ADispersion-flattened single-mode optical waveguide with large effective mode surface areaALCATEL SUBMARCOM·Filed 1996·Granted Oct 7, 1997·45 cites·2 claims
- 0773US12510380B2Method and apparatus for suppression of noise due to local oscillator instability in a coherent fiber optical sensorALCATEL SUBMARCOM·Filed 2023·Granted Dec 30, 2025·0 cites·13 claims
- 0865US5857040AAdjustable optical amplitude and phase modulator, and a soliton regenerator including such a modulatorALCATEL SUBMARCOM·Filed 1996·Granted Jan 5, 1999·33 cites·20 claims
- 0965US5801862ASynchronous modulation method and apparatus for in-line regeneration of a WDM soliton signal, and an optical telecommunications systems using the methodALCATEL SUBMARCOM·Filed 1997·Granted Sep 1, 1998·29 cites·17 claims
- 1065US5732169AFilter for guided light, and an optical link including the filterALCATEL SUBMARCOM·Filed 1995·Granted Mar 24, 1998·27 cites·4 claims
- 1163US11101885B2Supervisory signal paths for an optical transport systemALCATEL SUBMARCOM·Filed 2018·Granted Aug 24, 2021·1 cites·20 claims
- 1263US2025347538A1Apparatus for processing data associated with an optical fiberALCATEL SUBMARCOM·Filed 2025·Application pending·0 cites
- 1362US11821784B2Fibre-optic hydrophone with internal filterALCATEL SUBMARCOM·Filed 2021·Granted Nov 21, 2023·0 cites·21 claims
- 1458US5892876AOptical fiber including a fluorescent dopantALCATEL SUBMARCOM·Filed 1996·Granted Apr 6, 1999·22 cites·12 claims
- 1558US2023174339A1Cable-coiling systemALCATEL SUBMARCOM·Filed 2022·Application pending·0 cites
- 1656US11757528B2Supervision of an optical path including an amplifierALCATEL SUBMARCOM·Filed 2021·Granted Sep 12, 2023·0 cites·20 claims
- 1756US5801878ACircuit having two optical amplifiers, in particular for a repeater in an undersea telecommunications systemALCATEL SUBMARCOM·Filed 1997·Granted Sep 1, 1998·26 cites·12 claims
- 1850US5838871ADevice for organizing optical fiber cable connections and optical cable joint boxALCATEL SUBMARCOM·Filed 1997·Granted Nov 17, 1998·21 cites·8 claims
- 1949US12592770B2Distributed fiber optic sensing on optical fibers carrying trafficALCATEL SUBMARCOM·Filed 2023·Granted Mar 31, 2026·0 cites·16 claims
- 2046US6038211ATerminal for a bidirectional synchronous digital hierarchy link with automatic protection switching conveying multiplexed dataALCATEL SUBMARCOM·Filed 1997·Granted Mar 14, 2000·14 cites·3 claims
- 2145US5724178AAmplitude modulation circuit having an electro-absorption modulatorALCATEL SUBMARCOM·Filed 1996·Granted Mar 3, 1998·16 cites·8 claims
- 2244US12002349B2Monitoring equipment for cablesALCATEL SUBMARCOM·Filed 2021·Granted Jun 4, 2024·0 cites·17 claims
- 2343US6342962B2Optical system for transmitting data in soliton formatALCATEL SUBMARCOM·Filed 1997·Granted Jan 29, 2002·17 cites·19 claims
- 2442US5561553ASystem for transmission over a repeaterless optical fiber line, with remote and local amplificationALCATEL SUBMARCOM·Filed 1995·Granted Oct 1, 1996·16 cites·3 claims
- 2537US6025948AOptical signal transmission installation including a repeater monitoring systemALCATEL SUBMARCOM·Filed 1997·Granted Feb 15, 2000·9 cites·12 claims
- 2637US5759454AMethod of injecting a filler in controlled manner into a protective tube for protecting optical fibers, and an installation for implementing the methodALCATEL SUBMARCOM·Filed 1996·Granted Jun 2, 1998·9 cites·12 claims
- 2735US5905825AOptical transmission method and system using solitonsALCATEL SUBMARCOM·Filed 1997·Granted May 18, 1999·10 cites·3 claims
- 2834US5760364AUnit for protecting a metal tube containing at least one optical fiber against internal overheating, and a method of implementing itALCATEL SUBMARCOM·Filed 1995·Granted Jun 2, 1998·9 cites·8 claims
- 2930US6008922AOptical communication system using optical amplifiers with gain dependent on input signal polarizationALCATEL SUBMARCOM·Filed 1997·Granted Dec 28, 1999·4 cites·17 claims
- 3029US11368216B2Use of band-pass filters in supervisory signal paths of an optical transport systemALCATEL SUBMARCOM·Filed 2018·Granted Jun 21, 2022·0 cites·11 claims
- 3128US10778336B2Communication system employing self-tuning optical transceiversALCATEL SUBMARCOM·Filed 2019·Granted Sep 15, 2020·0 cites·17 claims
- 3228US5880428ALaser welding line for repairing a closure fault of a metal tube containing at least one transmission optical fiberALCATEL SUBMARCOM·Filed 1997·Granted Mar 9, 1999·2 cites·19 claims
- 3328US5700990AMethod for repairing a closure fault of a metal tube containing at least one optical fiber by laser weldingALCATEL SUBMARCOM·Filed 1995·Granted Dec 23, 1997·2 cites·10 claims
- 3422US5857055AMethod of imparting surplus length to optical fibers in a protective metal tube and a line for implementing the methodALCATEL SUBMARCOM·Filed 1997·Granted Jan 5, 1999·2 cites·6 claims
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