WO2001035539A3 - Opto-electronic devices for processing and transmitting rf signals based on brillouin selective sideband amplification - Google Patents

Opto-electronic devices for processing and transmitting rf signals based on brillouin selective sideband amplification Download PDF

Info

Publication number
WO2001035539A3
WO2001035539A3 PCT/US2000/041631 US0041631W WO0135539A3 WO 2001035539 A3 WO2001035539 A3 WO 2001035539A3 US 0041631 W US0041631 W US 0041631W WO 0135539 A3 WO0135539 A3 WO 0135539A3
Authority
WO
WIPO (PCT)
Prior art keywords
opto
transmitting
processing
electronic devices
signals based
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/US2000/041631
Other languages
French (fr)
Other versions
WO2001035539A2 (en
Inventor
Xiaotian S Yao
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
California Institute of Technology
Original Assignee
California Institute of Technology
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by California Institute of Technology filed Critical California Institute of Technology
Priority to AU27481/01A priority Critical patent/AU2748101A/en
Priority to CA002387689A priority patent/CA2387689A1/en
Priority to EP00990454A priority patent/EP1228395A2/en
Publication of WO2001035539A2 publication Critical patent/WO2001035539A2/en
Publication of WO2001035539A3 publication Critical patent/WO2001035539A3/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • H04B10/29—Repeaters
    • H04B10/291—Repeaters in which processing or amplification is carried out without conversion of the main signal from optical form
    • H04B10/2912—Repeaters in which processing or amplification is carried out without conversion of the main signal from optical form characterised by the medium used for amplification or processing
    • H04B10/2916—Repeaters in which processing or amplification is carried out without conversion of the main signal from optical form characterised by the medium used for amplification or processing using Raman or Brillouin amplifiers
    • 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
    • H04B10/25—Arrangements specific to fibre transmission
    • H04B10/2575—Radio-over-fibre, e.g. radio frequency signal modulated onto an optical carrier
    • H04B10/25752—Optical arrangements for wireless networks
    • H04B10/25758—Optical arrangements for wireless networks between a central unit and a single remote unit by means of an optical fibre

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optical Communication System (AREA)
  • Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)

Abstract

Systems (100) and techniques for transmitting and processing an electrical signal through an opto-electronic system with an optical Brillouin amplifier.
PCT/US2000/041631 1999-10-27 2000-10-27 Opto-electronic devices for processing and transmitting rf signals based on brillouin selective sideband amplification Ceased WO2001035539A2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
AU27481/01A AU2748101A (en) 1999-10-27 2000-10-27 Opto-electronic devices for processing and transmitting rf signals based on brillouin selective sideband amplification
CA002387689A CA2387689A1 (en) 1999-10-27 2000-10-27 Opto-electronic devices for processing and transmitting rf signals based on brillouin selective sideband amplification
EP00990454A EP1228395A2 (en) 1999-10-27 2000-10-27 Opto-electronic devices for processing and transmitting rf signals based on brillouin selective sideband amplification

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US16187799P 1999-10-27 1999-10-27
US60/161,877 1999-10-27

Publications (2)

Publication Number Publication Date
WO2001035539A2 WO2001035539A2 (en) 2001-05-17
WO2001035539A3 true WO2001035539A3 (en) 2001-12-20

Family

ID=22583155

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2000/041631 Ceased WO2001035539A2 (en) 1999-10-27 2000-10-27 Opto-electronic devices for processing and transmitting rf signals based on brillouin selective sideband amplification

Country Status (5)

Country Link
US (1) US6417957B1 (en)
EP (1) EP1228395A2 (en)
AU (1) AU2748101A (en)
CA (1) CA2387689A1 (en)
WO (1) WO2001035539A2 (en)

Families Citing this family (92)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4060551B2 (en) * 2000-09-07 2008-03-12 三菱電機株式会社 Optical signal transmission apparatus and optical signal transmission method
US7283707B1 (en) 2001-07-25 2007-10-16 Oewaves, Inc. Evanescently coupling light between waveguides and whispering-gallery mode optical resonators
US6621619B2 (en) * 2001-07-30 2003-09-16 The United States Of America As Represented By The Secretary Of The Navy Hybrid brillouin/erbium doped fiber amplifier apparatus and method
US6853479B1 (en) * 2001-08-30 2005-02-08 Oewaves, Inc. Apparatus and method for coupling light between an optical resonator and a semiconductor chip with a minimum number of components and alignment steps
US6928091B1 (en) * 2001-09-26 2005-08-09 Oewaves, Inc. Opto-electronic oscillator including a tunable electro-optic filter
US7227686B1 (en) 2002-01-22 2007-06-05 General Photonics Corporation Tunable PMD emulators and compensators
US7154659B1 (en) * 2002-04-18 2006-12-26 General Photonics Corporation Optical depolarizers and DGD generators based on optical delay
US6987914B2 (en) * 2002-05-17 2006-01-17 California Institute Of Technology Optical filter having coupled whispering-gallery-mode resonators
US6943934B1 (en) * 2002-05-28 2005-09-13 California Institute Of Technology Nonlinear optical whispering gallery mode resonators
AU2003290975A1 (en) * 2002-11-15 2004-06-15 Hrl Laboratories, Llc Limiter for selectively attenuating modulation sidebands of a rf modulated light wave
US7092591B2 (en) * 2003-02-03 2006-08-15 California Institute Of Technology Tunable optical filters having electro-optic whispering-gallery-mode resonators
US7391977B2 (en) 2003-03-12 2008-06-24 General Photonics Corporation Monitoring mechanisms for optical systems
US7133180B2 (en) * 2003-06-03 2006-11-07 Oewaves, Inc. Resonant impedance matching in microwave and RF device
WO2005008296A2 (en) * 2003-07-03 2005-01-27 Oewaves, Inc. Optical coupling for whispering-gallery-mode resonators via waveguide gratings
US7248763B1 (en) 2003-07-03 2007-07-24 Oewaves, Inc. Optical resonators with reduced OH-content
US7796894B1 (en) 2003-07-30 2010-09-14 General Photonics Corporation Reduction of noise and polarization mode dispersion (PMD) based on optical polarization stabilizer in fiber transmission
WO2005017607A2 (en) * 2003-08-04 2005-02-24 California Institute Of Technology Opto-electronic feedback for stabilizing oscillators
US7187870B2 (en) 2003-10-15 2007-03-06 Oewaves, Inc. Tunable balanced opto-electronic filters and applications in opto-electronic oscillators
US7184451B2 (en) * 2003-10-15 2007-02-27 Oewaves, Inc. Continuously tunable coupled opto-electronic oscillators having balanced opto-electronic filters
US7389053B1 (en) 2003-10-15 2008-06-17 Oewaves, Inc. Tunable filtering of RF or microwave signals based on optical filtering in Mach-Zehnder configuration
US7587144B2 (en) * 2004-01-12 2009-09-08 Oewaves, Inc. Tunable radio frequency and microwave photonic filters
US7218662B1 (en) 2004-02-12 2007-05-15 Oewaves, Inc. Coupled opto-electronic oscillators with low noise
US7356214B2 (en) * 2004-03-22 2008-04-08 Oewaves, Inc. Optical waveguide coupler for whispering-gallery-mode resonators
US7061335B2 (en) 2004-04-15 2006-06-13 Oewaves, Inc. Processing of signals with regenerative opto-electronic circuits
US7362927B1 (en) 2004-06-01 2008-04-22 Oewaves, Inc. Tunable RF or microwave photonic filters using temperature-balanced whispering gallery mode optical resonators
US7260279B2 (en) * 2004-06-09 2007-08-21 Oewaves, Inc. Integrated opto-electronic oscillators
US7480425B2 (en) * 2004-06-09 2009-01-20 Oewaves, Inc. Integrated opto-electronic oscillators
US7630417B1 (en) 2004-06-24 2009-12-08 California Institute Of Technology Crystal whispering gallery mode optical resonators
DE102004037549A1 (en) * 2004-08-03 2006-03-16 Deutsche Telekom Ag Device for generating and modulating a high-frequency signal
US7440651B1 (en) 2004-11-17 2008-10-21 California Institute Of Technology Single mode whispering-gallery-mode resonator
US7693419B1 (en) 2005-11-23 2010-04-06 General Photonics Corporation Optical spectrum analysis using optical interferometry
US7634201B2 (en) * 2006-09-05 2009-12-15 Oewaves, Inc. Wideband receiver based on photonics technology
US8073326B2 (en) * 2006-12-06 2011-12-06 General Photonics Corporation Optical polarization division multiplexing in optical communication
US8369442B2 (en) * 2007-01-12 2013-02-05 Fujitsu Limited Communicating a signal according to ASK modulation and PSK modulation
US7952711B1 (en) 2007-03-26 2011-05-31 General Photonics Corporation Waveplate analyzer based on multiple tunable optical polarization rotators
US7723670B1 (en) 2007-03-26 2010-05-25 General Photonics Corporation Optical differential group delay module with folded optical path
US8124927B2 (en) 2007-05-29 2012-02-28 California Institute Of Technology Detecting light in whispering-gallery-mode resonators
WO2008154656A2 (en) * 2007-06-13 2008-12-18 Oewaves, Inc. Tunable lasers locked to whispering gallery mode resonators
US7965745B2 (en) * 2007-06-13 2011-06-21 Oewaves, Inc. RF and microwave receivers based on electro-optic optical whispering gallery mode resonators
US7929589B1 (en) 2007-06-13 2011-04-19 Oewaves, Inc. Diffractive grating coupled whispering gallery mode resonators
ITTO20070586A1 (en) * 2007-08-06 2009-02-07 Fondazione Torino Wireless OPTICAL OSCILLATOR CONTROLLED IN VOLTAGE FOR A SINGLE-POCKET PHASE OPTICAL RING
US8164816B1 (en) 2007-08-31 2012-04-24 California Institute Of Technology Stabilizing optical resonators
US8210044B1 (en) 2007-10-12 2012-07-03 California Institute Of Technology Covert laser remote sensing and vibrometry
US8155914B2 (en) 2007-11-13 2012-04-10 Oewaves, Inc. Measuring phase noise in radio frequency, microwave or millimeter signals based on photonic delay
US7801189B2 (en) * 2007-11-13 2010-09-21 Oewaves, Inc. Cross modulation-based opto-electronic oscillator with tunable electro-optic optical whispering gallery mode resonator
US9360626B2 (en) 2007-11-13 2016-06-07 Anatoliy Savchenkov Fiber-based multi-resonator optical filters
US8155913B2 (en) * 2007-11-13 2012-04-10 Oewaves, Inc. Photonic-based cross-correlation homodyne detection with low phase noise
US7945130B2 (en) * 2007-11-15 2011-05-17 General Photonics Corporation Mode scrambling apparatus for multimode fiber
US8345238B2 (en) * 2008-02-04 2013-01-01 General Photonics Corporation Measuring optical spectral property of light based on polarization analysis
US8422882B1 (en) 2008-02-04 2013-04-16 General Photonics Corporation Monitoring polarization-mode dispersion and signal-to-noise ratio in optical signals based on polarization analysis
US8111722B1 (en) 2008-03-03 2012-02-07 Oewaves, Inc. Low-noise RF oscillation and optical comb generation based on nonlinear optical resonator
WO2009114163A2 (en) * 2008-03-11 2009-09-17 Oewaves, Inc. Optical locking based on optical resonators with high quality factors
US8089684B1 (en) 2008-03-14 2012-01-03 Oewaves, Inc. Photonic RF and microwave phase shifters
US8111402B2 (en) 2008-04-03 2012-02-07 Oewaves, Inc. Optical sensing based on overlapping optical modes in optical resonator sensors and interferometric sensors
US8102597B1 (en) 2008-05-15 2012-01-24 Oewaves, Inc. Structures and fabrication of whispering-gallery-mode resonators
US8094359B1 (en) 2008-05-15 2012-01-10 Oewaves, Inc. Electro-optic whispering-gallery-mode resonator devices
US8452139B1 (en) 2008-07-25 2013-05-28 Oewaves, Inc. Wide-band RF photonic receivers and other devices using two optical modes of different quality factors
US8331008B1 (en) 2008-10-14 2012-12-11 Oewaves, Inc. Photonic microwave and RF receivers based on electro-optic whispering-gallery-mode resonators
US7590313B1 (en) 2008-10-15 2009-09-15 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Phased-array optical whispering gallery mode modulation and method
US8159736B2 (en) * 2008-11-13 2012-04-17 Oewaves, Inc. Tunable single sideband modulators based on electro-optic optical whispering gallery mode resonators and their applications
US8761603B1 (en) 2009-02-25 2014-06-24 Oewaves, Inc. Dynamically reconfigurable sensor arrays
US20100239245A1 (en) * 2009-03-21 2010-09-23 General Photonics Corporation Polarization Mode Emulators and Polarization Mode Dispersion Compensators Based on Optical Polarization Rotators with Discrete Polarization States
US8498539B1 (en) * 2009-04-21 2013-07-30 Oewaves, Inc. Dielectric photonic receivers and concentrators for radio frequency and microwave applications
US8417076B2 (en) 2009-06-22 2013-04-09 Oewaves, Inc. Tunable photonic microwave or radio frequency receivers based on electro-optic optical whispering gallery mode resonators
US8331409B1 (en) 2010-01-18 2012-12-11 Oewaves, Inc. Locking of a laser to an optical interferometer that is stabilized to a reference frequency
US8564869B1 (en) 2010-07-15 2013-10-22 Oewaves, Inc. Voltage controlled tunable single sideband modulators and devices based on electro-optic optical whispering gallery mode resonators
CN202373845U (en) 2010-08-10 2012-08-08 Oe电波公司 Self-injection locking of feedback enhancement of laser to optical resonator
CN103703635B (en) 2011-05-16 2017-07-25 Oe电波公司 Triple Oscillator Device Based on Nonlinear Optical Resonator
US8824513B2 (en) 2011-06-14 2014-09-02 Bae Systems Information And Electronic Systems Integration Inc. Method for beam combination by seeding stimulated brillouin scattering in optical fiber
US8804231B2 (en) 2011-06-20 2014-08-12 Oewaves, Inc. Stabilizing RF oscillator based on optical resonator
JP2014520289A (en) 2011-06-23 2014-08-21 オーイーウェイブス，インコーポレーテッド Parametric regenerative oscillator based on optoelectronic feedback and optical regeneration via nonlinear optical mixing in whispering gallery mode optical resonators
WO2013003859A2 (en) 2011-06-30 2013-01-03 Oewaves, Inc. Compact optical atomic clocks and applications based on parametric nonlinear optical mixing in whispering gallery mode optical resonators
US8780433B2 (en) 2011-09-28 2014-07-15 General Photonics Corporation Polarization scrambling based on cascaded optical polarization devices having modulated optical retardation
US8922875B2 (en) * 2011-10-03 2014-12-30 Daisy Williams Method for optical phase modulation, optical phase modulator and optical network using the same
US8976822B2 (en) 2012-03-27 2015-03-10 Oewaves, Inc. Tunable opto-electronic oscillator having optical resonator filter operating at selected modulation sideband
CA2906964A1 (en) * 2013-03-18 2014-09-25 Omnisens Sa Brillouin optical distributed sensing device and method with improved tolerance to sensor failure
US20160337041A1 (en) * 2015-05-15 2016-11-17 Futurewei Technologies, Inc. Polarization Independent Reflective Modulator
CN107091950B (en) * 2016-02-16 2021-01-19 姚晓天 Reflective current and magnetic field sensor integrating temperature sensing based on optical sensing principle
US10551640B2 (en) 2016-11-21 2020-02-04 Futurewei Technologies, Inc. Wavelength division multiplexed polarization independent reflective modulators
US10222676B2 (en) 2017-01-27 2019-03-05 Futurewei Technologies, Inc. Polarization insensitive integrated optical modulator
US10243684B2 (en) 2017-05-23 2019-03-26 Futurewei Technologies, Inc. Wavelength-division multiplexed polarization-insensitive transmissive modulator
US11567189B2 (en) 2018-02-15 2023-01-31 The Trustees Of The University Of Pennsylvania Optically assisted ultra-wideband (UWB) imager
US12510637B2 (en) 2018-02-16 2025-12-30 Xiaotian Steve Yao Scan-less 3D optical sensing devices and associated lidar based on stacking of integrated photonic chips, wavelength division demultiplexing and position-to-angle conversion of a lens
US11650296B2 (en) 2018-02-16 2023-05-16 Xiaotian Steve Yao Optical sensing based on wavelength division multiplexed (WDM) light at different wavelengths in light detection and ranging LiDAR systems
US10826729B1 (en) * 2019-07-19 2020-11-03 Eagle Technology, Llc Communication system with adjustable equalization levels and related methods
US12429746B2 (en) 2020-10-20 2025-09-30 Xiaotian Steve Yao Optical beam scanning based on waveguide switching and position-to-angle conversion of a lens and applications
CN114336228B (en) * 2021-12-31 2023-09-15 之江实验室 An all-optical terahertz oscillator active frequency stabilization system and method
DE102022121510B3 (en) * 2022-08-25 2023-11-30 Tesat-Spacecom Gmbh & Co. Kg Self-compensating polarization modulator with directional phase shifter, optical signal transmission link and satellite
CN116300246B (en) * 2023-02-15 2023-11-03 之江实验室 Cascade all-optical oscillator based on optical injection locking and oscillation method
US12596019B1 (en) * 2023-03-15 2026-04-07 The Government Of The United States Of America, As Represented By The Secretary Of The Navy RF spectrum analyzer using Rayleigh backscattering
CN117254335B (en) * 2023-11-20 2024-02-23 之江实验室 Tunable dual-frequency all-optical oscillator and oscillation method based on semiconductor optical amplifier
CN120528521B (en) * 2025-07-23 2025-09-23 中国科学院国家授时中心 Optical frequency transmission system and method for realizing ultra-long span

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5295209A (en) * 1991-03-12 1994-03-15 General Instrument Corporation Spontaneous emission source having high spectral density at a desired wavelength
US5777771A (en) * 1993-03-31 1998-07-07 British Telecommunications Plc Generation of optical signals with RF components
USH1791H (en) * 1996-10-31 1999-03-02 Williams; Keith J. Stimulated Brillouin scattering for fiber-optic links
US5917179A (en) * 1997-05-12 1999-06-29 California Institute Of Technology Brillouin opto-electronic oscillators

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5200964A (en) * 1991-03-12 1993-04-06 General Instrument Corporation Broad linewidth lasers for optical fiber communication systems
US5723856A (en) 1995-08-01 1998-03-03 California Institute Of Technology Opto-electronic oscillator having a positive feedback with an open loop gain greater than one
US5825791A (en) * 1995-08-28 1998-10-20 Trw Inc. Variable coherence length high brightness laser architecture
US5777778A (en) 1996-01-23 1998-07-07 California Institute Of Technology Multi-Loop opto-electronic microwave oscillator with a wide tuning range
US5929430A (en) 1997-01-14 1999-07-27 California Institute Of Technology Coupled opto-electronic oscillator
US6178036B1 (en) * 1997-01-14 2001-01-23 California Institute Of Technology Opto-electronic devices and systems based on brillouin selective sideband amplification
US6567436B1 (en) 1999-01-26 2003-05-20 California Institute Of Technology Opto-electronic oscillators having optical resonators

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5295209A (en) * 1991-03-12 1994-03-15 General Instrument Corporation Spontaneous emission source having high spectral density at a desired wavelength
US5777771A (en) * 1993-03-31 1998-07-07 British Telecommunications Plc Generation of optical signals with RF components
USH1791H (en) * 1996-10-31 1999-03-02 Williams; Keith J. Stimulated Brillouin scattering for fiber-optic links
US5917179A (en) * 1997-05-12 1999-06-29 California Institute Of Technology Brillouin opto-electronic oscillators

Also Published As

Publication number Publication date
US6417957B1 (en) 2002-07-09
CA2387689A1 (en) 2001-05-17
WO2001035539A2 (en) 2001-05-17
EP1228395A2 (en) 2002-08-07
AU2748101A (en) 2001-06-06

Similar Documents

Publication Publication Date Title
WO2001035539A3 (en) Opto-electronic devices for processing and transmitting rf signals based on brillouin selective sideband amplification
EP0314373A3 (en) Lightwave systems using optical amplifiers
AU2002215994A1 (en) System for determining the position of an object
WO2002048750A3 (en) Interfacing fiber optic data with electrical power systems
WO2005027017A3 (en) Systems and methods for amplifying a transmit signal in a rfid interrogator
MX9200088A (en) IMPROVED AUDIO DISTRIBUTION SYSTEM.
EP1422948A3 (en) Distribution device in a data signal processing installation and data signal processing installation
CA2191159A1 (en) Optical communication system and remote sensor interrogation
AU1097792A (en) Optical-to-electric transducer with extended dynamic range
DK1060619T3 (en) data Communication system
EP0961424A3 (en) Optical transmitter, terminal device, and optical communicaton system having the optical transmitter
CA2214651A1 (en) Optical network
EP0851617A3 (en) Optical arrangement for amplifying WDM signals
WO1997047103A3 (en) Reconfigurable node for a communications network
TW370753B (en) Input buffer circuit
WO2005060489A8 (en) Linearized trans-impedance amplifier
WO2001079881A3 (en) Distributed power amplifier architecture for tcas transmitter
WO2000079398A3 (en) Common motherboard interface for processor modules of multiple architectures
AU2003279813A1 (en) Park-brake monitoring-system for a vehicle
SE9202112D0 (en) PROCEDURE AND DEVICE FOR MONITORING OF THE UNITED STATES
AU2746900A (en) Systems and methods for coaxially coupling an antenna through an insulator and for amplifying signals adjacent the insulator
WO1995024059A3 (en) System for antenna supervising
CA2028720A1 (en) Amplifier adapter for optical lines
WO2000038476A3 (en) Motor vehicle audio system
AU2110300A (en) Method for securing access to a data processing device and appropriate device

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A2

Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BY BZ CA CH CN CR CU CZ DE DK DM DZ EE ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NO NZ PL PT RO RU SD SE SG SI SK SL TJ TM TR TT TZ UA UG US UZ VN YU ZA ZW

AL Designated countries for regional patents

Kind code of ref document: A2

Designated state(s): GH GM KE LS MW MZ SD SL SZ TZ UG ZW AM AZ BY KG KZ MD RU TJ TM AT BE CH CY DE DK ES FI FR GB GR IE IT LU MC NL PT SE BF BJ CF CG CI CM GA GN GW ML MR NE SN TD TG

121 Ep: the epo has been informed by wipo that ep was designated in this application
DFPE Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101)
AK Designated states

Kind code of ref document: A3

Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BY BZ CA CH CN CR CU CZ DE DK DM DZ EE ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NO NZ PL PT RO RU SD SE SG SI SK SL TJ TM TR TT TZ UA UG US UZ VN YU ZA ZW

AL Designated countries for regional patents

Kind code of ref document: A3

Designated state(s): GH GM KE LS MW MZ SD SL SZ TZ UG ZW AM AZ BY KG KZ MD RU TJ TM AT BE CH CY DE DK ES FI FR GB GR IE IT LU MC NL PT SE BF BJ CF CG CI CM GA GN GW ML MR NE SN TD TG

WWE Wipo information: entry into national phase

Ref document number: 2387689

Country of ref document: CA

WWE Wipo information: entry into national phase

Ref document number: 2000990454

Country of ref document: EP

WWP Wipo information: published in national office

Ref document number: 2000990454

Country of ref document: EP

REG Reference to national code

Ref country code: DE

Ref legal event code: 8642

NENP Non-entry into the national phase

Ref country code: JP

WWW Wipo information: withdrawn in national office

Ref document number: 2000990454

Country of ref document: EP