(19)
(11) EP 1 132 746 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:
23.12.2009 Bulletin 2009/52

(45) Mention of the grant of the patent:
07.10.2009 Bulletin 2009/41

(21) Application number: 01300245.6

(22) Date of filing: 12.01.2001
(51) International Patent Classification (IPC): 
G01R 31/02(2006.01)
 G01R 31/12(2006.01)

(54)

Failure determining apparatus of gas insulated electrical appliance

Fehlerermittlungsvorrichtung eines gasisolierten elektrischen Gerätes

Appareil pour la détection d'un défaut dans un dispositif isolé ou gaz

(84) Designated Contracting States:
FR GB

(30) Priority: 28.02.2000 JP 2000051911
06.07.2000 JP 2000204814

(43) Date of publication of application:
12.09.2001 Bulletin 2001/37

(73) Proprietor: MITSUBISHI DENKI KABUSHIKI KAISHA
Chiyoda-ku Tokyo 100-8310 (JP)

(72) Inventors:
  • Doi, Hiroshi
    Chiyoda-ku, Tokyo 100-8310 (JP)
  • Nakashima, Kuniaki
    Chiyoda-ku, Tokyo 100-8310 (JP)
  • Maeda, Yasuhiro
    Chiyoda-ku, Tokyo 100-8310 (JP)
  • Aoki, Hirohide
    Chiyoda-ku, Tokyo 100-8310 (JP)
  • Hama, Hiroyuki
    Chiyoda-ku, Tokyo 100-8310 (JP)
  • Kajita, Naoyuki
    Chiyoda-ku, Tokyo 100-8310 (JP)
  • Honda, Yoshikatsu
    Chiyoda-ku, Tokyo 100-8310 (JP)

(74) Representative: Mounteney, Simon James 
Marks & Clerk LLP 90 Long Acre
London WC2E 9RA
London WC2E 9RA (GB)


(56) References cited: : 
EP-A- 0 716 489
   
  • PATENT ABSTRACTS OF JAPAN vol. 014, no. 415 (P-1102), 7 September 1990 (1990-09-07) & JP 02 159580 A (TOSHIBA CORP), 19 June 1990 (1990-06-19)
  • PATENT ABSTRACTS OF JAPAN vol. 1998, no. 14, 31 December 1998 (1998-12-31) & JP 10 234114 A (TAKAOKA ELECTRIC MFG CO LTD), 2 September 1998 (1998-09-02)
  • PATENT ABSTRACTS OF JAPAN vol. 1997, no. 10, 31 October 1997 (1997-10-31) & JP 09 163529 A (MITSUBISHI ELECTRIC CORP), 20 June 1997 (1997-06-20)
   
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).