(19)
(11) EP 1 141 933 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:
17.01.2007 Bulletin 2007/03

(45) Mention of the grant of the patent:
13.09.2006 Bulletin 2006/37

(21) Application number: 99962314.3

(22) Date of filing: 16.12.1999
(51) International Patent Classification (IPC): 
G09G 3/20(2006.01)
 G09G 3/34(2006.01)
(86) International application number:
PCT/GB1999/004260
(87) International publication number:
WO 2000/038162 (29.06.2000 Gazette 2000/26)

(54)

MODIFIED WEIGHTED BIT PLANES FOR DISPLAYING GREY LEVELS ON OPTICAL ARRAYS

MODIFIZIERTE GEWOGENE BIT-EBENE ZUR GRAUSTUFENANZEIGE IN OPTISCHEN ANORDNUNGEN

TABLES MODIFIEES DE BITS PONDERES POUR L'AFFICHAGE DE NIVEAUX DE GRIS SUR DES ENSEMBLES OPTIQUES

(84) Designated Contracting States:
DE FR GB NL

(30) Priority: 19.12.1998 GB 9827944

(43) Date of publication of application:
10.10.2001 Bulletin 2001/41

(73) Proprietor: QINETIQ LIMITED
85 Buckingham Gate London SW1E 6PD (GB)

(72) Inventors:
  • COKER, Timothy, Martin
    Peterborough PE8 4DZ (GB)
  • CROSSLAND, William, Alden, University of Cambridge
    Cambridge CB2 1PZ (GB)


(56) References cited: : 
EP-A- 0 720 139
US-A- 4 775 891
 EP-A- 0 774 745
   
  • PATENT ABSTRACTS OF JAPAN vol. 17, no. 498 (P-1609), 8 September 1993 (1993-09-08) -& JP 05 127612 A (NIPPON HOSO KYOKAI), 25 May 1993 (1993-05-25)
   
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).