(19)
(11) EP 2 139 089 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:
05.10.2011 Bulletin 2011/40

(45) Mention of the grant of the patent:
20.07.2011 Bulletin 2011/29

(21) Application number: 08791519.5

(22) Date of filing: 24.07.2008
(51) International Patent Classification (IPC): 
H02J 3/18(2006.01)
 H01F 29/02(2006.01)
(86) International application number:
PCT/JP2008/063267
(87) International publication number:
WO 2009/136451 (12.11.2009 Gazette 2009/46)

(54)

TRANSFORMATION DEVICE FOR AUTOMATICALLY ADJUSTING VOLTAGE OF THREE-PHASE POWER SUPPLY

DREIPHASEN TRANSFORMATOR MIT AUTOMATISCHER ANPASSUNG DER DREIPHASEN-AUSGANGSSPANNUNG

DISPOSITIF DE TRANSFORMATION POUR RÉGLER AUTOMATIQUEMENT LA TENSION D' UNE ALIMENTATION TRIPHASÉE

(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 MT NL NO PL PT RO SE SI SK TR

(43) Date of publication of application:
30.12.2009 Bulletin 2009/53

(73) Proprietor: PowerPerfector Limited
London W2 1QY (GB)

(72) Inventors:
  • SHIMAZU, Chiyuki
    Saitama-City Saitama 336-0926 (JP)
  • TSUNEMI, Seiji
    Saitama-City Saitama 336-0926 (JP)

(74) Representative: Powell, Timothy John 
Potter Clarkson LLP Park View House 58 The Ropewalk
Nottingham NG1 5DD
Nottingham NG1 5DD (GB)


(56) References cited: : 
EP-A1- 0 637 122
JP-A- 9 247 857
JP-U- 6 045 320
 WO-A1-97/02518
JP-B2- 3 372 178
   
       
    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).