EP 1470529 A1 20041027 - LOW RESOLUTION ACQUISITION METHOD AND DEVICE FOR CONTROLLING A DISPLAY SCREEN
Title (en)
LOW RESOLUTION ACQUISITION METHOD AND DEVICE FOR CONTROLLING A DISPLAY SCREEN
Title (de)
PRUEFGERAET UND -VERFAHREN MIR GERINGER BILDAUFLOESUNG ZUM PRUEFEN EINES VIDEOSTANDBILDES
Title (fr)
PROCEDE ET DISPOSITIF A FAIBLE RESOLUTION D'ACQUISITION POUR LE CONTROLE D'UN ECRAN D'AFFICHAGE
Publication
Application
Priority
- FR 0204370 W 20021216
- FR 0116303 A 20011217
Abstract (en)
[origin: WO03052692A1] The invention concerns a device and a method for controlling a display screen with: means for controlling (14) the display screen (E) to display on the screen a test chart; means (18) for forming an image of the test chart on an electronic camera (12) having a resolution lower than a resolution of the display screen; means (10, 20, 22) for offsetting the test chart image on the camera; and means for analyzing (14) a plurality of offset images supplied by the camera to locate defective pixels of the display screen.
IPC 1-7
IPC 8 full level
G01N 21/88 (2006.01); G02F 1/13 (2006.01); G06T 1/00 (2006.01); G06T 3/00 (2006.01); G06T 3/40 (2006.01); G09G 3/00 (2006.01); G09G 3/20 (2006.01)
CPC (source: EP KR US)
G01M 11/00 (2013.01 - KR); G01R 31/28 (2013.01 - KR); G02F 1/13 (2013.01 - KR); G02F 1/1309 (2013.01 - EP US); G06T 3/40 (2013.01 - KR); G06T 3/4053 (2013.01 - EP US); G06T 3/4084 (2013.01 - EP US); G09G 3/006 (2013.01 - EP US)
Citation (search report)
See references of WO 03052692A1
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SI SK TR
DOCDB simple family (publication)
WO 03052692 A1 20030626; CN 1605087 A 20050406; EP 1470529 A1 20041027; FR 2833743 A1 20030620; FR 2833743 B1 20040220; JP 2005513448 A 20050512; KR 20040068945 A 20040802; TW 200301820 A 20030716; TW 557355 B 20031011; US 2004263497 A1 20041230
DOCDB simple family (application)
FR 0204370 W 20021216; CN 02825140 A 20021216; EP 02796916 A 20021216; FR 0116303 A 20011217; JP 2003553507 A 20021216; KR 20047009370 A 20021216; TW 91136298 A 20021216; US 49694304 A 20040525