WO2000021224A3 - Anordnung und verfahren zur überwachung der performance von dwdm mehrwellenlängensystemen - Google Patents
Anordnung und verfahren zur überwachung der performance von dwdm mehrwellenlängensystemen Download PDFInfo
- Publication number
- WO2000021224A3 WO2000021224A3 PCT/EP1999/007340 EP9907340W WO0021224A3 WO 2000021224 A3 WO2000021224 A3 WO 2000021224A3 EP 9907340 W EP9907340 W EP 9907340W WO 0021224 A3 WO0021224 A3 WO 0021224A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- column
- line
- paragraph
- page
- international
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4204—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms
- G02B6/4215—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms the intermediate optical elements being wavelength selective optical elements, e.g. variable wavelength optical modules or wavelength lockers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
- H04B10/075—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal
- H04B10/077—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using a supervisory or additional signal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
- H04B10/075—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal
- H04B10/079—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using measurements of the data signal
- H04B10/0795—Performance monitoring; Measurement of transmission parameters
- H04B10/07955—Monitoring or measuring power
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J14/00—Optical multiplex systems
- H04J14/02—Wavelength-division multiplex systems
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
- G02B6/293—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means
- G02B6/29304—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means operating by diffraction, e.g. grating
- G02B6/29305—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means operating by diffraction, e.g. grating as bulk element, i.e. free space arrangement external to a light guide
- G02B6/2931—Diffractive element operating in reflection
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
- G02B6/293—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means
- G02B6/29304—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means operating by diffraction, e.g. grating
- G02B6/29305—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means operating by diffraction, e.g. grating as bulk element, i.e. free space arrangement external to a light guide
- G02B6/29313—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means operating by diffraction, e.g. grating as bulk element, i.e. free space arrangement external to a light guide characterised by means for controlling the position or direction of light incident to or leaving the diffractive element, e.g. for varying the wavelength response
- G02B6/29314—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means operating by diffraction, e.g. grating as bulk element, i.e. free space arrangement external to a light guide characterised by means for controlling the position or direction of light incident to or leaving the diffractive element, e.g. for varying the wavelength response by moving or modifying the diffractive element, e.g. deforming
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
- G02B6/293—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means
- G02B6/29346—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means operating by wave or beam interference
- G02B6/29361—Interference filters, e.g. multilayer coatings, thin film filters, dichroic splitters or mirrors based on multilayers, WDM filters
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
- G02B6/293—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means
- G02B6/29379—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means characterised by the function or use of the complete device
- G02B6/2938—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means characterised by the function or use of the complete device for multiplexing or demultiplexing, i.e. combining or separating wavelengths, e.g. 1xN, NxM
- G02B6/29382—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means characterised by the function or use of the complete device for multiplexing or demultiplexing, i.e. combining or separating wavelengths, e.g. 1xN, NxM including at least adding or dropping a signal, i.e. passing the majority of signals
- G02B6/29385—Channel monitoring, e.g. by tapping
Definitions
- ISSN 0163-6804 page 136, left-hand column, paragraph 1 page 140, left-hand column, paragraph 3 page 140, left-hand column, paragraph 5 -right-hand column, paragraph 3; figure 6 page 140, right-hand column, paragraph 6-page 141, left-hand column, paragraph 1
- AMRANI A ET AL "Optical monitoring 1.10-19 system for scalable all-optical networks" CONFERENCE PROCEEDINGS. LEOS '97, 10TH ANNUAL MEETING. IEEE LASERS AND ELECTRO-OPTICS SOCIETY 1997 ANNUAL MEETING (CAT. N0.97CH36057), CONFERENCE PROCEEDINGS. LEOS '97.
- ISSN 0163-6804 page 86, left-hand column, paragraph 2 -right-hand column, paragraph 7; figure 6
- ASAHI K ET AL "Optical Performance 1.10-19 onitor built into EDFA repeaters for WDM ⁇ tworks n
- EP 0859249 A (PH0T0NETICS) August 19, 1998 (1998-08-19) column 1, line 1 - line 17 column 6, line 56 -column 7, line 36 column 8, line 24 - line 26 column 8, line 56 -column 9, line 30
- IPK International Patent Classification
- ISSN 0163-6804 page 136, left column, paragraph 1 page 140, left column, paragraph 3 page 140, left column, paragraph 5 -right column, paragraph 3; Figure 6 page 140, right column, paragraph 6 - page 141, left column, paragraph 1
- AMRANI A ET AL "Optical monitoring 1.10-19 system for scalable all-optical networks" CONFERENCE PROCEEDINGS. LEOS '97, 10TH ANNUAL MEETING. IEEE LASERS AND ELECTRO-OPTICS SOCIETY 1997 ANNUAL MEETING (CAT. N0.97CH36057), CONFERENCE PROCEEDINGS. LEOS '97. 10TH ANNUAL MEETING IEEE LASERS AND ELECTRO-OPTICS SOCIETY 1997 ANNUAL MEETING, S, - November 10, 1997 (1997-11-10) Pages 270-271 vol.2, XP002134592 1996, New York, NY, USA, IEEE, USA ISBN : 0-7803-3895-2
- ISSN 0163-6804 page 86, left column, paragraph 2 -right column, paragraph 7; Figure 6
- ASAHI K ET AL "Optical Performance 1.10-19 monitor built into EDFA repeaters for WDM networks"
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Electromagnetism (AREA)
- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
- Spectrometry And Color Measurement (AREA)
- Optical Communication System (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
- Testing Of Optical Devices Or Fibers (AREA)
- Light Receiving Elements (AREA)
- Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
Abstract
Description
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT99950610T ATE247838T1 (de) | 1998-10-05 | 1999-10-04 | Anordnung und verfahren zur überwachung der performance von dwdm mehrwellenlängensystemen |
EP99950610A EP1135707B1 (de) | 1998-10-05 | 1999-10-04 | Anordnung und verfahren zur überwachung der performance von dwdm mehrwellenlängensystemen |
DE59906706T DE59906706D1 (de) | 1998-10-05 | 1999-10-04 | Anordnung und verfahren zur überwachung der performance von dwdm mehrwellenlängensystemen |
US09/806,704 US7041959B1 (en) | 1998-10-05 | 1999-10-04 | System and method for monitoring the performance of dense wavelength division multiplexing optical communications systems |
US11/242,819 US20060027737A1 (en) | 1998-10-05 | 2005-10-03 | Array and method for monitoring the performance of DWDM multiwavelength systems |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19845701.4 | 1998-10-05 | ||
DE19845701A DE19845701A1 (de) | 1998-10-05 | 1998-10-05 | Anordnungen zur Überwachung der Performance von DWDM-Mehrwellenlängensystemen |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/242,819 Continuation US20060027737A1 (en) | 1998-10-05 | 2005-10-03 | Array and method for monitoring the performance of DWDM multiwavelength systems |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2000021224A2 WO2000021224A2 (de) | 2000-04-13 |
WO2000021224A3 true WO2000021224A3 (de) | 2000-06-22 |
Family
ID=7883377
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP1999/007340 WO2000021224A2 (de) | 1998-10-05 | 1999-10-04 | Anordnung und verfahren zur überwachung der performance von dwdm mehrwellenlängensystemen |
Country Status (5)
Country | Link |
---|---|
US (2) | US7041959B1 (de) |
EP (2) | EP1255365A3 (de) |
AT (1) | ATE247838T1 (de) |
DE (2) | DE19845701A1 (de) |
WO (1) | WO2000021224A2 (de) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19845701A1 (de) | 1998-10-05 | 2000-04-06 | Palme Dieter | Anordnungen zur Überwachung der Performance von DWDM-Mehrwellenlängensystemen |
US6619864B2 (en) * | 2001-03-15 | 2003-09-16 | Optinel Systems, Inc. | Optical channel monitor with continuous gas cell calibration |
US7495765B2 (en) * | 2001-05-17 | 2009-02-24 | Thorlabs Gmbh | Fiber polarimeter, the use thereof, as well as polarimetric method |
EP1262752B1 (de) * | 2001-05-17 | 2005-08-03 | THORLABS GmbH | Faser-Polarimeter, dessen Verwendung sowie polarimetrisches Verfahren |
JP4009818B2 (ja) * | 2001-10-31 | 2007-11-21 | 横河電機株式会社 | 分光器及びそれを用いた光スペクトラムアナライザ |
US7286757B1 (en) * | 2003-01-14 | 2007-10-23 | Optoplex Corporation | Optical performance monitoring device |
US9485050B2 (en) * | 2009-12-08 | 2016-11-01 | Treq Labs, Inc. | Subchannel photonic routing, switching and protection with simplified upgrades of WDM optical networks |
US10126231B2 (en) | 2017-03-15 | 2018-11-13 | Savannah River Nuclear Solutions, Llc | High speed spectroscopy using temporal positioned optical fibers with an optical scanner mirror |
CN114152591B (zh) * | 2021-12-03 | 2024-02-13 | 中国电子科技集团公司第三十四研究所 | 级联光纤光栅传感阵列的位置及波长解调系统和方法 |
Citations (8)
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US4025196A (en) * | 1974-07-29 | 1977-05-24 | Varian Associates | Asymmetric double pass grating monochromator |
US5396361A (en) * | 1988-07-29 | 1995-03-07 | Hitachi, Ltd. | Frequency separation stabilization method for optical heterodyne or optical homodyne communication |
US5420416A (en) * | 1993-01-14 | 1995-05-30 | Matsushita Electric Industrial Co., Ltd. | Light wavelength selection device and method using diffraction grating with peak detection |
US5532818A (en) * | 1993-12-27 | 1996-07-02 | Advantest Corporation | Difference dispersive double-path monochromator having wavelength-independent imaging point |
EP0855811A2 (de) * | 1997-01-27 | 1998-07-29 | Gpt Limited | Wellenlängenführer |
EP0859249A1 (de) * | 1997-02-14 | 1998-08-19 | Photonetics | Faseroptischer Wellenlängen-Multiplexer und -Demultiplexer |
US5812262A (en) * | 1994-08-11 | 1998-09-22 | 4D Controls Limited | Waveguide for radiation detection system |
DE19816612A1 (de) * | 1998-04-15 | 1999-10-21 | Bandemer Adalbert | Anordnung zur Überwachung der Performance von DWDM Mehrwellenlängen-Systemen |
Family Cites Families (17)
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US2922331A (en) | 1953-03-24 | 1960-01-26 | Walter G Finch | Spectroscopic device |
GB1397286A (en) * | 1972-11-30 | 1975-06-11 | Pye Ltd | Atomic spectrophotometers |
DD108593A1 (de) * | 1973-11-07 | 1974-09-20 | ||
US3936191A (en) * | 1974-03-22 | 1976-02-03 | Varian Associates | Optical arrangement for double-passing Ebert monochromator and for coupling double monochromator systems |
US4299488A (en) * | 1979-11-23 | 1981-11-10 | Bell Telephone Laboratories, Incorporated | Time-division multiplexed spectrometer |
US4926429A (en) * | 1989-07-13 | 1990-05-15 | At&T Bell Laboratories | Lightwave communication system having sources independently synchronized to an absolute frequency standard |
US5233405A (en) * | 1991-11-06 | 1993-08-03 | Hewlett-Packard Company | Optical spectrum analyzer having double-pass monochromator |
US5617234A (en) * | 1994-09-26 | 1997-04-01 | Nippon Telegraph & Telephone Corporation | Multiwavelength simultaneous monitoring circuit employing arrayed-waveguide grating |
JPH0964819A (ja) * | 1995-08-23 | 1997-03-07 | Fujitsu Ltd | 光システム |
FR2738432B1 (fr) * | 1995-09-01 | 1997-09-26 | Hamel Andre | Composant optique adapte a la surveillance d'une liaison multilongueur d'onde et multiplexeur a insertion-extraction utilisant ce composant, application aux reseaux optiques |
US5835199A (en) * | 1996-05-17 | 1998-11-10 | Coherent Technologies | Fiber-based ladar transceiver for range/doppler imaging with frequency comb generator |
JP3566496B2 (ja) * | 1996-05-27 | 2004-09-15 | キヤノン株式会社 | 波長制御方法及びそれを用いるネットワークシステム |
US5780843A (en) * | 1996-07-16 | 1998-07-14 | Universite Laval | Absolute optical frequency calibrator for a variable frequency optical source |
US5832156A (en) * | 1996-10-31 | 1998-11-03 | Lucent Technologies Inc. | Article comprising an optical waveguide tap |
US5796479A (en) * | 1997-03-27 | 1998-08-18 | Hewlett-Packard Company | Signal monitoring apparatus for wavelength division multiplexed optical telecommunication networks |
JPH10300629A (ja) * | 1997-04-30 | 1998-11-13 | Anritsu Corp | 光伝送特性測定器及びそれを用いた校正方法 |
DE19845701A1 (de) | 1998-10-05 | 2000-04-06 | Palme Dieter | Anordnungen zur Überwachung der Performance von DWDM-Mehrwellenlängensystemen |
-
1998
- 1998-10-05 DE DE19845701A patent/DE19845701A1/de not_active Withdrawn
-
1999
- 1999-10-04 DE DE59906706T patent/DE59906706D1/de not_active Expired - Fee Related
- 1999-10-04 WO PCT/EP1999/007340 patent/WO2000021224A2/de active IP Right Grant
- 1999-10-04 EP EP02017938A patent/EP1255365A3/de not_active Withdrawn
- 1999-10-04 EP EP99950610A patent/EP1135707B1/de not_active Expired - Lifetime
- 1999-10-04 US US09/806,704 patent/US7041959B1/en not_active Expired - Fee Related
- 1999-10-04 AT AT99950610T patent/ATE247838T1/de not_active IP Right Cessation
-
2005
- 2005-10-03 US US11/242,819 patent/US20060027737A1/en not_active Abandoned
Patent Citations (8)
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US4025196A (en) * | 1974-07-29 | 1977-05-24 | Varian Associates | Asymmetric double pass grating monochromator |
US5396361A (en) * | 1988-07-29 | 1995-03-07 | Hitachi, Ltd. | Frequency separation stabilization method for optical heterodyne or optical homodyne communication |
US5420416A (en) * | 1993-01-14 | 1995-05-30 | Matsushita Electric Industrial Co., Ltd. | Light wavelength selection device and method using diffraction grating with peak detection |
US5532818A (en) * | 1993-12-27 | 1996-07-02 | Advantest Corporation | Difference dispersive double-path monochromator having wavelength-independent imaging point |
US5812262A (en) * | 1994-08-11 | 1998-09-22 | 4D Controls Limited | Waveguide for radiation detection system |
EP0855811A2 (de) * | 1997-01-27 | 1998-07-29 | Gpt Limited | Wellenlängenführer |
EP0859249A1 (de) * | 1997-02-14 | 1998-08-19 | Photonetics | Faseroptischer Wellenlängen-Multiplexer und -Demultiplexer |
DE19816612A1 (de) * | 1998-04-15 | 1999-10-21 | Bandemer Adalbert | Anordnung zur Überwachung der Performance von DWDM Mehrwellenlängen-Systemen |
Non-Patent Citations (5)
Title |
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AMRANI A ET AL: "Degradation surveillance module for optical transport networks", CONFERENCE PROCEEDINGS. LEOS'98. 11TH ANNUAL MEETING. IEEE LASERS AND ELECTRO-OPTICS SOCIETY 1998 ANNUAL MEETING (CAT. NO.98CH36243), CONFERENCE PROCEEDINGS. LEOS'98. 11TH ANNUAL MEETING. IEEE LASERS AND ELECTRO-OPTICS SOCIETY 1998 ANNUAL MEETING, OR, - 1 December 1998 (1998-12-01), 1998, Piscataway, NJ, USA, IEEE, USA, pages 289 - 290 vol.1, XP002134591, ISBN: 0-7803-4947-4 * |
AMRANI A ET AL: "Optical monitoring system for scalable all-optical networks", CONFERENCE PROCEEDINGS. LEOS '97, 10TH ANNUAL MEETING. IEEE LASERS AND ELECTRO-OPTICS SOCIETY 1997 ANNUAL MEETING (CAT. NO.97CH36057), CONFERENCE PROCEEDINGS. LEOS '97. 10TH ANNUAL MEETING IEEE LASERS AND ELECTRO-OPTICS SOCIETY 1997 ANNUAL MEETING, S, - 10 November 1997 (1997-11-10), 1996, New York, NY, USA, IEEE, USA, pages 270 - 271 vol.2, XP002134592, ISBN: 0-7803-3895-2 * |
ASAHI K ET AL: "Optical performance monitor built into EDFA repeaters for WDM networks", OFC '98. OPTICAL FIBER COMMUNICATION CONFERENCE AND EXHIBIT. TECHNICAL DIGEST. CONFERENCE EDITION. 1998 OSA TECHNICAL DIGEST SERIES VOL.2 (IEEE CAT. NO.98CH36177), OFC '98 OPTICAL FIBER COMMUNICATION CONFERENCE AND EXHIBIT. TECHNICAL DIGEST CONFERENC, 1998, Washington, DC, USA, Opt. Soc. America, USA, pages 318 - 319, XP002134593, ISBN: 1-55752-521-8 * |
BERGER M ET AL: "PAN-EUROPEAN OPTICAL NETWORKING USING WAVELENGTH DIVISION MULTIPLEXING", IEEE COMMUNICATIONS MAGAZINE,US,IEEE SERVICE CENTER. PISCATAWAY, N.J, vol. 35, no. 4, 1 April 1997 (1997-04-01), pages 82 - 88, XP000693608, ISSN: 0163-6804 * |
BISCHOFF M ET AL: "OPERATION AND MAINTENANCE FOR AN ALL-OPTICAL TRANSPORT NETWORK", IEEE COMMUNICATIONS MAGAZINE,US,IEEE SERVICE CENTER. PISCATAWAY, N.J, vol. 34, no. 11, November 1996 (1996-11-01), pages 136-142, XP000636137, ISSN: 0163-6804 * |
Also Published As
Publication number | Publication date |
---|---|
DE19845701A1 (de) | 2000-04-06 |
EP1135707B1 (de) | 2003-08-20 |
EP1255365A2 (de) | 2002-11-06 |
US7041959B1 (en) | 2006-05-09 |
WO2000021224A2 (de) | 2000-04-13 |
ATE247838T1 (de) | 2003-09-15 |
DE59906706D1 (de) | 2003-09-25 |
EP1255365A3 (de) | 2005-05-18 |
EP1135707A2 (de) | 2001-09-26 |
US20060027737A1 (en) | 2006-02-09 |
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