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Extract from the Register of European Patents

EP About this file: EP3578946

EP3578946 - METHOD AND DEVICE OF DETERMINING A TIME-OF-FLIGHT OF AN OPTICAL SIGNAL BETWEEN A STARTING POINT OF AN OPTICAL PATH AND A REFLECTION POINT WITHIN THE OPTICAL PATH [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  10.09.2021
Database last updated on 06.07.2024
FormerThe patent has been granted
Status updated on  02.10.2020
FormerGrant of patent is intended
Status updated on  28.05.2020
FormerRequest for examination was made
Status updated on  05.12.2019
FormerThe application has been published
Status updated on  08.11.2019
Most recent event   Tooltip03.05.2024Lapse of the patent in a contracting state
New state(s): MK		published on 05.06.2024  [2024/23]
Applicant(s)For all designated states
ADVA Optical Networking SE
Märzenquelle 1 - 3
98617 Meiningen / DE
[2019/50]
Inventor(s)01 / Eiselt, Michael
An der Gebind 7
99334 Kirchheim / DE
 [2019/50]
Representative(s)Eder Schieschke & Partner mbB
Patentanwälte
Elisabethstraße 34
80796 München / DE
[2019/50]
Application number, filing date18176655.107.06.2018
[2019/50]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report 
No.:EP3578946
Date:11.12.2019
Language:EN
[2019/50]
Type: B1 Patent specification 
No.:EP3578946
Date:04.11.2020
Language:EN
[2020/45]
Search report(s)(Supplementary) European search report - dispatched on:EP06.12.2018
ClassificationIPC:G01M11/00, H04B10/071
[2019/50]
CPC:
H04B10/071 (EP,US); G01M11/3118 (EP); H04B10/25 (US);
H04L1/0071 (US); H04L7/0075 (US)
Designated contracting statesAL,   AT,   BE,   BG,   CH,   CY,   CZ,   DE,   DK,   EE,   ES,   FI,   FR,   GB,   GR,   HR,   HU,   IE,   IS,   IT,   LI,   LT,   LU,   LV,   MC,   MK,   MT,   NL,   NO,   PL,   PT,   RO,   RS,   SE,   SI,   SK,   SM,   TR [2020/01]
Former [2019/50]AL,  AT,  BE,  BG,  CH,  CY,  CZ,  DE,  DK,  EE,  ES,  FI,  FR,  GB,  GR,  HR,  HU,  IE,  IS,  IT,  LI,  LT,  LU,  LV,  MC,  MK,  MT,  NL,  NO,  PL,  PT,  RO,  RS,  SE,  SI,  SK,  SM,  TR 
TitleGerman:VERFAHREN UND VORRICHTUNG ZUR BESTIMMUNG EINER FLUGZEIT EINES OPTISCHEN SIGNALS ZWISCHEN EINEM AUSGANGSPUNKT EINES OPTISCHEN PFADES UND EINEM REFLEXIONSPUNKT INNERHALB DES OPTISCHEN PFADES[2020/26]
English:METHOD AND DEVICE OF DETERMINING A TIME-OF-FLIGHT OF AN OPTICAL SIGNAL BETWEEN A STARTING POINT OF AN OPTICAL PATH AND A REFLECTION POINT WITHIN THE OPTICAL PATH[2019/50]
French:PROCÉDÉ ET DISPOSITIF DE DÉTERMINATION D'UNE DURÉE DE VOL D'UN SIGNAL OPTIQUE ENTRE UN POINT DE DÉPART D'UN TRAJET OPTIQUE ET UN POINT DE RÉFLEXION DANS LE TRAJET OPTIQUE[2019/50]
Former [2019/50]VERFAHREN UND VORRICHTUNG ZUR BESTIMMUNG EINER FLUGZEIT EINES OPTISCHEN SIGNALS ZWISCHEN EINEM AUSGANGSPUNKT EINES OPTISCHEN PFADES UND EINEM REFLEXIONPUNKT INNERHALB DES OPTISCHEN PFADES
Examination procedure26.11.2019Amendment by applicant (claims and/or description)
26.11.2019Examination requested  [2020/01]
26.11.2019Date on which the examining division has become responsible
29.05.2020Communication of intention to grant the patent
23.09.2020Fee for grant paid
23.09.2020Fee for publishing/printing paid
23.09.2020Receipt of the translation of the claim(s)
Opposition(s)05.08.2021No opposition filed within time limit [2021/41]
Fees paidRenewal fee
31.03.2020Renewal fee patent year 03
Opt-out from the exclusive  Tooltip
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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  TooltipHU07.06.2018
AL04.11.2020
AT04.11.2020
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CZ04.11.2020
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[2024/23]
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Documents cited:Search[A]WO9720196  (BICC PLC [GB], et al) [A] 1-17 * page 10, line 17 - page 11, line 19; figures 3,4 *;
 [AD]EP1712888  (AGILENT TECHNOLOGIES INC [US]) [AD] 1-17 * paragraphs [0019] - [0035]; figure 1 *;
 [A]WO2016145597  (HUAWEI TECH CO LTD [CN]) [A] 1-17* paragraphs [0008] - [0011] - [0024]; figures 1,4 *;
 [AD]  - Z. N. WANG ET AL, "Long-range and high-precision correlation optical time-domain reflectometry utilizing an all-fiber chaotic source", OPTICS EXPRESS, (20150604), vol. 23, no. 12, doi:10.1364/OE.23.015514, page 15514, XP055525189 [AD] 1-17 * 1. Introduction 2. Characteristics of a supercontinuum source 3. Discussions for performance enhancement of correlation OTDR 5. Conclusion;; figures 1,2 *

DOI:   http://dx.doi.org/10.1364/OE.23.015514
 [A]  - YANG GUANGYAO ET AL, "Long-Range Distributed Vibration Sensing Based on Phase Extraction From Phase-Sensitive OTDR", IEEE PHOTONICS JOURNAL, IEEE, USA, (20160601), vol. 8, no. 3, doi:10.1109/JPHOT.2016.2552820, pages 1 - 12, XP011607611 [A] 1-17 * 1. introduction 2. principle 3. phase signal based vibration measurement 5. conclusion;; figure 1 *

DOI:   http://dx.doi.org/10.1109/JPHOT.2016.2552820
by applicantEP1565718
 EP1712888
    - "Long-range and high-precision correlation optical time-domain reflectometry utilizing an all-fiber chaotic source", Opt Express, (20150615), pages 15514 - 15520
The EPO accepts no responsibility for the accuracy of data originating from other authorities; in particular, it does not guarantee that it is complete, up to date or fit for specific purposes.