(19)
(11) EP 1 478 091 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:
23.09.2015 Bulletin 2015/39

(45) Mention of the grant of the patent:
08.07.2015 Bulletin 2015/28

(21) Application number: 04011415.9

(22) Date of filing: 13.05.2004
(51) International Patent Classification (IPC): 
H03H 9/46(2006.01)
H03H 9/64(2006.01)
 H03H 9/58(2006.01)

(54)

Filter device with sharp attenuation characteristic in narrow bandwidth and branching filter using the same

Filtereinrichtung mit scharfer Dämpfung in schmaler Bandbreite und Abzweigfilter mit einer solchen Filtereinrichtung

Dispositif de filtrage avec caractéristique d'attenuation raide en bande passante étroite et filtre de dérivation utlisant celui-ci

(84) Designated Contracting States:
DE FR

(30) Priority: 13.05.2003 JP 2003133898

(43) Date of publication of application:
17.11.2004 Bulletin 2004/47

(73) Proprietor: TDK Corporation
Tokyo 108-0023 (JP)

(72) Inventors:
  • Inoue, Kenji
    Tokyo, 103-8272 (JP)
  • Saitou, Hisatoshi
    Tokyo, 103-8272 (JP)

(74) Representative: Samson & Partner Patentanwälte mbB 
Widenmayerstraße 6
80538 München
80538 München (DE)


(56) References cited: : 
EP-A- 0 788 224
EP-A1- 0 654 912
JP-A- 7 283 688
 EP-A- 1 253 713
EP-A2- 1 035 648
   
  • PATENT ABSTRACTS OF JAPAN vol. 1995, no. 09, 31 October 1995 (1995-10-31) & JP 07 154199 A (OKI ELECTRIC IND CO LTD), 16 June 1995 (1995-06-16)
  • PATENT ABSTRACTS OF JAPAN vol. 1996, no. 02, 29 February 1996 (1996-02-29) & JP 07 273597 A (OKI ELECTRIC IND CO LTD), 20 October 1995 (1995-10-20)
   
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).