(19)
(11) EP 1 871 081 B8

(12) CORRECTED EUROPEAN PATENT SPECIFICATION
Note: Bibliography reflects the latest situation

(15) Correction information:
Corrected version no 2 (W2 B1)

(48) Corrigendum issued on:
08.09.2010 Bulletin 2010/36

(45) Mention of the grant of the patent:
10.12.2008 Bulletin 2008/50

(21) Application number: 07117885.9

(22) Date of filing: 31.10.2005
(51) International Patent Classification (IPC): 
H04M 1/22(2006.01)
 G09G 3/34(2006.01)

(54)

Automatic screen and keypad brightness adjustment on a mobile handheld electronic device

Automatische Helligkeitsanpassung für Bildschirm und Tastatur eines tragbaren elektronischen Gerätes

Réglage automatique de la luminosité de l'écran et du clavier sur un dispositif électronique portable

(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR
Designated Extension States:
AL BA HR MK RS

(43) Date of publication of application:
26.12.2007 Bulletin 2007/52

(62) Application number of the earlier application in accordance with Art. 76 EPC:
05110207.7 / 1780991

(73) Proprietor: RESEARCH IN MOTION LIMITED
Waterloo, Ontario N2L 3W8 (CA)

(72) Inventors:
  • Kreek, Conrad Aleksander
    Waterloo Ontario N2L 1X9 (CA)
  • Mailloux, Jerry
    Waterloo Ontario N2T 2X5 (CA)
  • Hashi, Ahmed
    Waterloo Ontario N2V 2K9 (CA)
  • Robinson, James
    Elmira Ontario N3B 3L1 (CA)
  • Wu, Ken
    Burlington Ontario L7S 2B4 (CA)
  • Lowles, Robert
    Waterloo Ontario N2T 2J5 (CA)
  • Bocking, Andrew Douglas
    Waterloo Ontario N2K 3Y8 (CA)
  • Brubacher-Cressman, Dale
    New Hamburg Ontario N3A 1E4 (CA)
  • Winter, Bruce
    St. Agatha Ontario N0B 2L0 (CA)

(74) Representative: MERH-IP Matias Erny Reichl Hoffmann 
Paul-Heyse-Strasse 29
80336 München
80336 München (DE)


(56) References cited: : 
EP-A- 1 505 567
US-B1- 6 798 395
 WO-A-00/41378
   
       
    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).