EP 0621576 A1 19941026 - Luminescent signboard.
Title (en)
Luminescent signboard.
Title (de)
Luminescente Anzeigevorrichtung.
Title (fr)
Panneau luminescent.
Publication
Application
Priority
JP 9801193 A 19930423
Abstract (en)
A luminescent signboard includes a first light emitter and a second light emitter. The first light emitter is disposed on a base plate and has a configuration corresponding to a predetermined sign. The second light emitter is disposed on the base plate at a different position from the first light emitter. A sunset sensor is provided for detection of sunset. A proximity sensor is provide for detection of an object or a person which or who has come to a position within a predetermined distance from the signboard. A control unit is operable to connect a power source to the second light emitter so as to permit emission of light therefrom when the sunset sensor detects sunset. Further, the control unit is operable to connect the power source to the first light emitter so as to permit emission of light therefrom when the proximity sensor detects an object or a person during detection of sunset by the sunset sensor. <IMAGE>
IPC 1-7
IPC 8 full level
E01F 9/00 (2006.01); E01F 9/016 (2006.01); E01F 9/615 (2016.01); G08G 1/09 (2006.01); G09F 13/00 (2006.01); G09F 13/20 (2006.01); G09F 13/22 (2006.01); G09F 13/04 (2006.01)
CPC (source: EP)
G09F 13/005 (2013.01); G09F 13/0472 (2021.05); G09F 13/22 (2013.01); G09F 27/007 (2013.01); G09F 2013/222 (2013.01); G09F 2013/227 (2013.01)
Citation (search report)
- [X] EP 0422695 A2 19910417 - MINNESOTA MINING & MFG [US]
- [Y] DE 4042044 C1 19920903
- [Y] EP 0516059 A1 19921202 - SWAROVSKI & CO [AT]
- [A] FR 2663771 A1 19911227 - OLLIVIER JEAN
Designated contracting state (EPC)
DE FR GB IT NL
DOCDB simple family (publication)
EP 0621576 A1 19941026; JP 2908664 B2 19990621; JP H06308896 A 19941104
DOCDB simple family (application)
EP 94302797 A 19940420; JP 9801193 A 19930423