EP 0091448 A4 19840314 - LIGHT DISPERSION APPARATUS.
Title (en)
LIGHT DISPERSION APPARATUS.
Title (de)
GERÄT FÜR LICHTDISPERSION.
Title (fr)
DISPOSITIF DE DISPERSION LUMINEUSE.
Publication
Application
Priority
AU PE119981 A 19811016
Abstract (en)
[origin: WO8301516A1] Light dispersion apparatus characterised in that it comprises a translucent screen member (24) backed with an array of light transmitting members (28) each corresponding to a discrete segment of the screen, each of the light transmitting members having a first, light transmitting end adjacent the screen and a second, light transmitting end remote from the screen, said ends being interconnected by opaque sides.
IPC 1-7
IPC 8 full level
F21V 11/00 (2006.01); F21V 11/06 (2006.01); G02B 5/02 (2006.01); H01J 29/89 (2006.01); H04N 5/72 (2006.01)
CPC (source: EP)
F21V 11/00 (2013.01); F21V 11/06 (2013.01); G02B 5/0231 (2013.01); G02B 5/0278 (2013.01)
Citation (search report)
- [A] US 4184762 A 19800122 - GUZMAN OSCAR [CA]
- [A] US 3658407 A 19720425 - KITANO ICHIRO, et al
- [A] FR 2236194 A1 19750131 - PHILIPS NV [NL]
Designated contracting state (EPC)
DE FR GB NL
DOCDB simple family (publication)
WO 8301516 A1 19830428; AU 8996182 A 19830505; EP 0091448 A1 19831019; EP 0091448 A4 19840314; ES 516542 A0 19830801; ES 8308121 A1 19830801; IT 1191035 B 19880224; IT 8223772 A0 19821015; JP S58501739 A 19831013
DOCDB simple family (application)
AU 8200171 W 19821015; AU 8996182 A 19821015; EP 82903033 A 19821015; ES 516542 A 19821015; IT 2377282 A 19821015; JP 50310482 A 19821015