EP 1098178 A2 20010509 - Controlling luminance of illuminated surface
Title (en)
Controlling luminance of illuminated surface
Title (de)
Leuchtdichtenregelung einer beleuchteten Fläche
Title (fr)
Régulation de la luminance d'une surface illuminée
Publication
Application
Priority
FI 19992386 A 19991104
Abstract (en)
A method and equipment for controlling the luminance of an illuminated surface, the method comprising the step of controlling the luminance of the illuminated surface (1). The method also comprises the steps of defining the brightness of the environment of the illuminated surface (1) to produce a reference brightness, and controlling the luminance of the illuminated surface with an illuminating element (5) depending on the level of the reference brightness. <IMAGE>
IPC 1-7
IPC 8 full level
G05D 25/02 (2006.01)
CPC (source: EP US)
H05B 47/10 (2020.01 - EP US)
Designated contracting state (EPC)
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
DOCDB simple family (publication)
EP 1098178 A2 20010509; EP 1098178 A3 20040317; FI 111302 B 20030630; FI 19992386 A 20010505; NO 20005569 D0 20001103; NO 20005569 L 20010507; PL 343658 A1 20010507
DOCDB simple family (application)
EP 00660192 A 20001027; FI 19992386 A 19991104; NO 20005569 A 20001103; PL 34365800 A 20001102