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Extract from the Register of European Patents

EP About this file: EP2498421

EP2498421 - Coherent optical detection and signal processing method and system [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  02.01.2015
Database last updated on 30.09.2024
Most recent event   Tooltip08.07.2016Lapse of the patent in a contracting state
New state(s): TR		published on 10.08.2016  [2016/32]
Applicant(s)For all designated states
Huawei Technologies Co., Ltd.
Huawei Administration Building
Bantian
Longgang District
Shenzhen, Guangdong 518129 / CN
[N/P]
Former [2012/37]For all designated states
Huawei Technologies Co., Ltd.
Huawei Administration Building Bantian Longgang District, Shenzhen
Guangdong 518129 / CN
Inventor(s)01 / Taylor, Michael George
8113 Crest Road
Laurel, MD 20723 / US
 [2012/37]
Representative(s)Kreuz, Georg Maria, et al
Huawei Technologies Duesseldorf GmbH
Riesstraße 25
80992 München / DE
[N/P]
Former [2012/37]Kreuz, Georg Maria, et al
Huawei Technologies Duesseldorf GmbH Dessauerstrasse 3
80992 München / DE
Application number, filing date12171268.110.12.2003
[2012/37]
Priority number, dateUS20020432500P11.12.2002         Original published format: US 432500 P
US20030445742P07.02.2003         Original published format: US 445742 P
US2003072824704.12.2003         Original published format: US 728247
[2012/37]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report 
No.:EP2498421
Date:12.09.2012
Language:EN
[2012/37]
Type: B1 Patent specification 
No.:EP2498421
Date:26.02.2014
Language:EN
[2014/09]
Search report(s)(Supplementary) European search report - dispatched on:EP06.08.2012
ClassificationIPC:H04B10/61, H04B10/64, H04B10/63
[2013/21]
CPC:
H04B10/61 (EP,US); H04B10/614 (EP,US); H04B10/6161 (EP,US);
H04B10/6162 (EP,US); H04B10/63 (EP,US); H04B10/64 (EP,US)
Former IPC [2012/37]H04B10/148, H04B10/18
Designated contracting statesAT,   BE,   BG,   CH,   CY,   CZ,   DE,   DK,   EE,   ES,   FI,   FR,   GB,   GR,   HU,   IE,   IT,   LI,   LU,   MC,   NL,   PT,   RO,   SE,   SI,   SK,   TR [2012/37]
TitleGerman:Kohärente optische Detektion und Signalverarbeitungsverfahren und System[2013/50]
English:Coherent optical detection and signal processing method and system[2012/37]
French:Procede et systeme de detection optique coherente et de traitement du signal[2013/50]
Former [2012/37]Kohärente optische Detektion und Signalverarbeitungsverfahren und System
Former [2012/37]Procédé et système de détection optique coherente et de traitement du signal
Examination procedure17.01.2013Amendment by applicant (claims and/or description)
12.03.2013Examination requested  [2013/17]
11.06.2013Communication of intention to grant the patent
14.10.2013Disapproval of the communication of intention to grant the patent by the applicant or resumption of examination proceedings by the EPO
15.11.2013Communication of intention to grant the patent
27.11.2013Fee for grant paid
27.11.2013Fee for publishing/printing paid
Parent application(s)   TooltipEP03812904.5  / EP1570593
Divisional application(s)The date of the Examining Division's first communication in respect of the earliest application for which a communication has been issued (EP20030812904) is  11.06.2010
Opposition(s)27.11.2014No opposition filed within time limit [2015/06]
Fees paidRenewal fee
08.10.2012Renewal fee patent year 03
08.10.2012Renewal fee patent year 04
08.10.2012Renewal fee patent year 05
08.10.2012Renewal fee patent year 06
08.10.2012Renewal fee patent year 07
08.10.2012Renewal fee patent year 08
08.10.2012Renewal fee patent year 09
02.01.2013Renewal fee patent year 10
02.01.2014Renewal fee patent year 11
Opt-out from the exclusive  Tooltip
competence of the Unified
Patent Court		 See the Register of the Unified Patent Court for opt-out data
Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court.
Lapses during opposition  TooltipAT26.02.2014
BE26.02.2014
BG26.02.2014
CY26.02.2014
CZ26.02.2014
DK26.02.2014
EE26.02.2014
ES26.02.2014
FI26.02.2014
IT26.02.2014
MC26.02.2014
RO26.02.2014
SI26.02.2014
SK26.02.2014
TR26.02.2014
GR27.05.2014
PT26.06.2014
[2016/32]
Former [2016/28]AT26.02.2014
BE26.02.2014
BG26.02.2014
CY26.02.2014
CZ26.02.2014
DK26.02.2014
EE26.02.2014
ES26.02.2014
FI26.02.2014
IT26.02.2014
MC26.02.2014
RO26.02.2014
SI26.02.2014
SK26.02.2014
GR27.05.2014
PT26.06.2014
Former [2016/27]AT26.02.2014
BE26.02.2014
BG26.02.2014
CY26.02.2014
CZ26.02.2014
DK26.02.2014
EE26.02.2014
ES26.02.2014
FI26.02.2014
IT26.02.2014
MC26.02.2014
RO26.02.2014
SI26.02.2014
SK26.02.2014
PT26.06.2014
Former [2016/25]AT26.02.2014
BE26.02.2014
BG26.02.2014
CY26.02.2014
CZ26.02.2014
DK26.02.2014
EE26.02.2014
ES26.02.2014
FI26.02.2014
IT26.02.2014
RO26.02.2014
SI26.02.2014
SK26.02.2014
PT26.06.2014
Former [2015/24]AT26.02.2014
BE26.02.2014
CY26.02.2014
CZ26.02.2014
DK26.02.2014
EE26.02.2014
ES26.02.2014
FI26.02.2014
IT26.02.2014
RO26.02.2014
SI26.02.2014
SK26.02.2014
PT26.06.2014
Former [2015/18]AT26.02.2014
BE26.02.2014
CY26.02.2014
CZ26.02.2014
DK26.02.2014
EE26.02.2014
ES26.02.2014
FI26.02.2014
IT26.02.2014
RO26.02.2014
SK26.02.2014
PT26.06.2014
Former [2014/50]AT26.02.2014
BE26.02.2014
CY26.02.2014
CZ26.02.2014
DK26.02.2014
EE26.02.2014
ES26.02.2014
FI26.02.2014
RO26.02.2014
SK26.02.2014
PT26.06.2014
Former [2014/49]AT26.02.2014
BE26.02.2014
CY26.02.2014
CZ26.02.2014
DK26.02.2014
EE26.02.2014
FI26.02.2014
RO26.02.2014
PT26.06.2014
Former [2014/48]AT26.02.2014
BE26.02.2014
CY26.02.2014
CZ26.02.2014
DK26.02.2014
EE26.02.2014
FI26.02.2014
PT26.06.2014
Former [2014/42]AT26.02.2014
BE26.02.2014
CY26.02.2014
FI26.02.2014
PT26.06.2014
Former [2014/37]AT26.02.2014
CY26.02.2014
FI26.02.2014
PT26.06.2014
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    - H. F. HAUNSTEIN, DESIGN OF NEAR OPTIMUM ELECTRICAL EQUALIZERS FOR OPTICAL TRANSMISSION IN THE PRESENCE OF PMD
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DOI:   http://dx.doi.org/10.1109/50.50739
    - B. ENNING; R.S. VODHANEL; E. DIETRICH; P. PATZAK; P. MEISSNER; G. WENKE, "Signal processing in an optical polarization diversity for 560-Mbit/s ASK heterodyne detection", IEEE J. LIGHTWAVE TECHNOL., vol. 7, no. 3, doi:doi:10.1109/50.16881, XP000003219

DOI:   http://dx.doi.org/10.1109/50.16881
    - I.M.I. HABBAB; L.J. CIMINI, "Polarization switching techniques for coherent optical communications", IEEE J. LIGHTWAVE TECHNOL., (1988), vol. 6, no. 10, doi:doi:10.1109/50.7913, pages 1537 - 1548, XP000009769

DOI:   http://dx.doi.org/10.1109/50.7913
    - K. IWASHITA; N. TAKACHIO, "Chromatic dispersion compensation in coherent optical communications", IEEE J. LIGHTWAVE TECHNOL., (1990), vol. 8, no. 3, doi:doi:10.1109/50.50733, pages 367 - 375, XP000136400

DOI:   http://dx.doi.org/10.1109/50.50733
    - J.M. KAHN; I.M.I. HABBAB; C.R. GILES, "1 Gbit/s zero-IF DPSK coherent optical system using a single photodetector", IEE ELECTRON. LETT., (1988), vol. 24, no. 23, pages 1455 - 1457
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DOI:   http://dx.doi.org/10.1109/50.17768
    - L.G. KAZOVSKY; R. WELTER; A.F. ELRAFAIE; W. SESSA, "Wide-linewidth phase diversity homodyne receivers", IEEE J. LIGHTWAVE TECHNOL., (1988), vol. 6, no. 10, doi:doi:10.1109/50.7912, pages 1527 - 1536, XP002288557

DOI:   http://dx.doi.org/10.1109/50.7912
    - T. MATSUDA; A. NAKA; S. SAITO, "Comparison between NRZ and RZ signal formats for in-line amplifier transmission in the zero-dispersion regime", IEEE J. LIGHTWAVE TECHNOL., (1998), vol. 16, no. 3, doi:doi:10.1109/50.661359, pages 340 - 348, XP000751381

DOI:   http://dx.doi.org/10.1109/50.661359
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DOI:   http://dx.doi.org/10.1049/el:20010957
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DOI:   http://dx.doi.org/10.1109/50.90934
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DOI:   http://dx.doi.org/10.1109/50.124497
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DOI:   http://dx.doi.org/10.1109/50.50734
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DOI:   http://dx.doi.org/10.1109/68.404018
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