(19)
(11) EP 2 297 627 B8

(12) CORRECTED EUROPEAN PATENT SPECIFICATION
Note: Bibliography reflects the latest situation

(15) Correction information:
Corrected version no 1 (W1 B1)

(48) Corrigendum issued on:
30.12.2015 Bulletin 2015/53

(45) Mention of the grant of the patent:
11.11.2015 Bulletin 2015/46

(21) Application number: 09773845.4

(22) Date of filing: 12.06.2009
(51) International Patent Classification (IPC): 
G06F 1/12(2006.01)
H03L 1/02(2006.01)
 H04J 3/06(2006.01)
(86) International application number:
PCT/SE2009/050729
(87) International publication number:
WO 2010/002330 (07.01.2010 Gazette 2010/01)

(54)

ELECTRONIC TIMER SYSTEM INCLUDING LOOK-UP TABLE BASED SYNCHRONIZATION

ELEKTRONISCHES ZEITGEBERSYSTEM MIT SYNCHRONISATION AUF DER BASIS VON VERWEISTABELLEN

SYSTÈME CHRONOMÉTRIQUE ÉLECTRONIQUE COMPRENANT UNE SYNCHRONISATION À BASE DE TABLE DE CONVERSION

(84) Designated Contracting States:
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 SE SI SK TR

(30) Priority: 03.07.2008 US 78033

(43) Date of publication of application:
23.03.2011 Bulletin 2011/12

(73) Proprietor: Qulsar Sweden AB
164 40 Kista (SE)

(72) Inventors:
  • BLIXT, Stefan
    S-746 34 Bålsta (SE)
  • BLIXT, Christian
    S-756 31 Bålsta (SE)

(74) Representative: Hedman, Anders et al
Aros Patent AB P.O. Box 1544
751 45 Uppsala
751 45 Uppsala (SE)


(56) References cited: : 
US-A- 5 644 271
US-A- 6 157 957
US-A1- 2009 074 407
 US-A- 5 940 027
US-A1- 2006 056 560
   
  • SUBRAHMANYAN, R.: 'Timing Recovery for IEEE 1588 Applications in Telecommunications' IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT vol. 58, no. 6, June 2009, pages 1858 - 1868, XP011253216
  • TOURNIER, J.-C. ET AL: 'Strategies to Secure the IEEE 1588 Protocol in Digital Substation Automation' CRITICAL INFRASTRUCTURES, 2009 - FOURTH INTERNATIONAL CONFERENCE ON 27 March 2009, PISCATAWAY, NJ, USA., XP031472841
  • MEIER, S. ET AL: 'IEEE 1588 Syntonization and Synchronization Functions Completely Realized in Hardware' ISPCS 2008 - INTERNATIONAL IEEE SYMPOSIUM ON PRECISION CLOCK SYNCHRONIZATION FOR MEASUREMENT, CONTROL AND COMMUNICATION 22 September 2008 - 26 September 2008, ANN ARBOR, MICHIGAN, XP031354119
   
Note: Within nine months from the publication of the mention of the grant of the European patent, any person may give notice to the European Patent Office of opposition to the European patent granted. Notice of opposition shall be filed in a written reasoned statement. It shall not be deemed to have been filed until the opposition fee has been paid. (Art. 99(1) European Patent Convention).