EP 0293348 B1 19930203 - PHOSPHORESCENT DEVICE
Title (en)
PHOSPHORESCENT DEVICE
Publication
Application
Priority
- SE 8701710 A 19870427
- SE 8704680 A 19871125
Abstract (en)
[origin: WO8808599A1] This invention relates to a phosphorescent device for use in for instance a light box for a meeting hall for indication of an exit out of the same. According to the invention the device comprises a translucent fabric (6) of a special material which at least on its one side is coated with a layer (7) of luminous colour having the ability to absorb and store light so that, if the light surrounding the device should die out, The device continues to light during a relatively long time after that.
IPC 1-7
IPC 8 full level
F21S 4/00 (2016.01); F21S 8/00 (2006.01); G09F 13/20 (2006.01); G09F 13/42 (2006.01)
CPC (source: EP)
G09F 13/20 (2013.01); G09F 13/42 (2013.01)
Designated contracting state (EPC)
AT BE CH DE ES FR GB IT LI LU NL SE
DOCDB simple family (publication)
WO 8808599 A1 19881103; AU 1703488 A 19881202; BR 8807485 A 19900522; DE 3878039 D1 19930318; DK 517589 A 19891018; DK 517589 D0 19891018; EP 0293348 A1 19881130; EP 0293348 B1 19930203; FI 895041 A0 19891024; JP H02503373 A 19901011; SE 8704680 D0 19871125
DOCDB simple family (application)
SE 8800212 W 19880426; AU 1703488 A 19880426; BR 8807485 A 19880426; DE 3878039 T 19880426; DK 517589 A 19891018; EP 88850142 A 19880426; FI 895041 A 19891024; JP 50386988 A 19880426; SE 8704680 A 19871125