(19)
(11) EP 0 970 386 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:
21.06.2006 Bulletin 2006/25

(45) Mention of the grant of the patent:
03.05.2006 Bulletin 2006/18

(21) Application number: 99900308.0

(22) Date of filing: 14.01.1999
(51) International Patent Classification (IPC): 
G01R 27/26(2006.01)
(86) International application number:
PCT/JP1999/000098
(87) International publication number:
WO 1999/038020 (29.07.1999 Gazette 1999/30)

(54)

IMPEDANCE-TO-VOLTAGE CONVERTER

IMPEDANZ-SPANNUNGSWANDLER

CONVERTISSEUR IMPEDANCE-TENSION

(84) Designated Contracting States:
BE CH DE DK FR GB IT LI NL SE

(30) Priority: 23.01.1998 JP 1158198
06.02.1998 JP 2624098
09.12.1998 JP 35002198

(43) Date of publication of application:
12.01.2000 Bulletin 2000/02

(73) Proprietors:
  • TOKYO ELECTRON LIMITED
    Minato-ku, Tokyo 107-8481 (JP)
  • Hokuto Electronics, Inc.
    Hyogo 669-1148 (JP)

(72) Inventors:
  • Hiroshima, Tatsuo
    Nishinomiya-shi, Hyogo 663-8187 (JP)
  • NAKANO, Koichi
    Nishinomiya-shi, Hyogo 669-1141 (JP)
  • HARADA, Muneo
    Nishinomiya-shi, Hyogo 663-8232 (JP)
  • MATSUMOTO, Toshiyuki
    Sanda-shi, Hyogo 669-1347 (JP)
  • HIROTA, Yoshihiro
    Kyoto-shi, Kyoto 606-8283 (JP)

(74) Representative: Spall, Christopher John et al
Barker Brettell, 138 Hagley Road
Edgbaston, Birmingham B16 9PW
Edgbaston, Birmingham B16 9PW (GB)


(56) References cited: : 
EP-A- 0 500 203
 US-A- 4 918 376
   
  • PATENT ABSTRACTS OF JAPAN vol. 98, no. 2, 30 January 1998 & JP 09 280806 A (NISSAN MOTOR), 31 October 1997
  • MONTICELLI ET AL.: "OP-AMP CIRCUIT MEASURES DIODE-JUNCTION CAPACITANCE" ELECTRONICS. DE 1984 A 1985 : ELECTRONICS WEEK., vol. 48, no. 14, 10 July 1975, pages 112-113, XP002100006 NEW YORK US
   
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).