EP 1667492 A1 20060607 - Lighted status indicator for electric, electronic and similar equipment
Title (en)
Lighted status indicator for electric, electronic and similar equipment
Title (de)
Anzeigelicht für elektrische, elektronische und ähnliche Geräte
Title (fr)
Indicateur lumineux pour appareil électronique, électrique et similaire
Publication
Application
Priority
EP 04425895 A 20041126
Abstract (en)
A lighted status indicator for electric, electronic and similar equipment, comprising at least one LED (2) of the super bright type and a feeding circuit (3) adapted to submit LED (2) to passage therethrough of a current having an operating intensity equal to a fraction of the standard intensity provided for operation of the same LED (2) under conditions of maximum light emission. The feeding circuit (3) comprising a diode (5), set in parallel with respect to LED (2), and a resistor (4).
IPC 8 full level
H05B 44/00 (2022.01)
CPC (source: EP US)
H05B 45/30 (2020.01 - EP US); F21W 2111/00 (2013.01 - EP); F21Y 2115/10 (2016.07 - EP US)
Citation (search report)
- [XY] US 5856779 A 19990105 - FRIDAY LEON L [US]
- [Y] US 2004141318 A1 20040722 - STRIEBEL ROMAN F [US]
- [Y] DE 20214661 U1 20021205 - SIGNAL CONSTRUCT ELEKTRO OPTIS [DE]
- [X] US 5313187 A 19940517 - CHOI ROBERT S [US], et al
- [A] US 2002075677 A1 20020620 - DOKOUPIL HANS [DE]
- [A] WO 9106078 A1 19910502 - CHOI ROBERT S [US], et al
- [A] WO 9939319 A2 19990805 - LEDI LITE LTD [IL], et al
- [A] US 2003169178 A1 20030911 - JENSEN BRADFORD B [US], et al
- [A] US 2002101730 A1 20020801 - DILGER HORST [DE], et al
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LU MC NL PL PT RO SE SI SK TR
DOCDB simple family (publication)
DOCDB simple family (application)
EP 04425895 A 20041126