(19)
(11) EP 1 770 448 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:
29.02.2012 Bulletin 2012/09

(45) Mention of the grant of the patent:
27.07.2011 Bulletin 2011/30

(21) Application number: 06020317.1

(22) Date of filing: 27.09.2006
(51) International Patent Classification (IPC): 
G03G 15/00(2006.01)
 G03G 15/06(2006.01)

(54)

Correction of developing density control using the total number of printed pages and the duration of a suspension time in an image forming apparatus

Korrektur der Entwicklerdichtekontrolle unter Verwendung der Gesamtzahl der gedruckten Seiten und einer Ausfallzeit in einem Bildformungsapparat

Correction du contrôle de la densité de développement prenant en compte le nombre total des pages imprimées et le temps de suspension dans un appareil de formation d'image

(84) Designated Contracting States:
DE FR GB

(30) Priority: 30.09.2005 JP 2005286454

(43) Date of publication of application:
04.04.2007 Bulletin 2007/14

(73) Proprietor: Brother Kogyo Kabushiki Kaisha
Nagoya-shi, Aichi-ken 467-8561 (JP)

(72) Inventors:
  • Karasawa, Minoru, c/o Brother Kogyo K. K.
    Nagoya-shi, Aichi 467-8562 (JP)
  • Yoshida, Yukimasa, c/o Brother Kogyo K. K.
    Nagoya-shi, Aichi 467-8562 (JP)

(74) Representative: Kuhnen & Wacker 
Patent- und Rechtsanwaltsbüro Prinz-Ludwig-Strasse 40A
85354 Freising
85354 Freising (DE)


(56) References cited: : 
EP-A1- 0 736 815
JP-A- 7 175 280
US-A- 5 057 867
 JP-A- 5 289 458
JP-A- 2001 265 094
   
       
    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).