EP 0479042 A3 19920805 - LIGHTING DEVICE
Title (en)
LIGHTING DEVICE
Publication
Application
Priority
DE 4031302 A 19901004
Abstract (en)
[origin: EP0479042A2] A lighting device having an optical device which decomposes light from a light source into a multiplicity of subbeams and directs the latter onto a surface to be illuminated is specified, a plurality of subbeams being directed onto each subarea of the surface, and it being possible to perceive individual luminous areas (9, 10) at the output of the optical device (7). <??>It is the aim of such a lighting device, on the one hand, to achieve a satisfactory brightness in the surface to be illuminated. On the other hand, dazzling of a person situated at a viewing distance (a) is to be avoided. <??>It is provided for this purpose that the luminous areas (9, 10) do not exceed a maximum size which depends on the viewing distance (a), and that adjacent luminous areas (9, 10) are at a predetermined minimum distance from one another, so that they can be distinguished from one another from the viewing distance (a). <IMAGE>
IPC 1-7
IPC 8 full level
F21S 10/00 (2006.01); F21S 8/08 (2006.01); F21V 7/00 (2006.01); F21V 14/04 (2006.01)
CPC (source: EP US)
F21S 8/08 (2013.01 - EP US); F21V 7/0008 (2013.01 - EP US); F21V 14/04 (2013.01 - EP US)
Citation (search report)
- [X] FR 1399448 A 19650514 - THOMSON HOUSTON COMP FRANCAISE
- [A] FR 1405314 A 19650709 - ANCIENS ETABLISSEMENTS HUET &
Designated contracting state (EPC)
AT BE CH DK ES FR GB GR IT LI NL SE
DOCDB simple family (publication)
EP 0479042 A2 19920408; EP 0479042 A3 19920805; EP 0479042 B1 19960410; AT E136632 T1 19960415; DE 4031302 A1 19920409; DE 4031302 C2 19960411; DK 0479042 T3 19960624; ES 2086450 T3 19960701; GR 3020249 T3 19960930; JP H04262302 A 19920917; JP H0743963 B2 19950515; US 5219445 A 19930615
DOCDB simple family (application)
EP 91115810 A 19910918; AT 91115810 T 19910918; DE 4031302 A 19901004; DK 91115810 T 19910918; ES 91115810 T 19910918; GR 960401628 T 19960618; JP 28207591 A 19911001; US 76805891 A 19910927