EP1006759A3 - Système de surveillence d'une installation d'éclairage ou d'un dispositif de signalisation utilisant des diodes electroluminescentes comme sources lumineuses - Google Patents
Système de surveillence d'une installation d'éclairage ou d'un dispositif de signalisation utilisant des diodes electroluminescentes comme sources lumineuses Download PDFInfo
- Publication number
- EP1006759A3 EP1006759A3 EP99830640A EP99830640A EP1006759A3 EP 1006759 A3 EP1006759 A3 EP 1006759A3 EP 99830640 A EP99830640 A EP 99830640A EP 99830640 A EP99830640 A EP 99830640A EP 1006759 A3 EP1006759 A3 EP 1006759A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- light
- monitoring
- led
- leds
- series
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/50—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits
- H05B45/58—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits involving end of life detection of LEDs
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/20—Responsive to malfunctions or to light source life; for protection
- H05B47/23—Responsive to malfunctions or to light source life; for protection of two or more light sources connected in series
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT1998FI000264A IT1305051B1 (it) | 1998-12-04 | 1998-12-04 | Sistema di controllo di un impianto di illuminazione o segnalazioneluminosa avente una molteplicita' di punti luce a led o simili |
ITFI980264 | 1998-12-04 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1006759A2 EP1006759A2 (fr) | 2000-06-07 |
EP1006759A3 true EP1006759A3 (fr) | 2003-04-23 |
EP1006759B1 EP1006759B1 (fr) | 2005-05-04 |
Family
ID=11352723
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99830640A Expired - Lifetime EP1006759B1 (fr) | 1998-12-04 | 1999-10-11 | Système de surveillance d'une installation d'éclairage ou d'un dispositif de signalisation utilisant des diodes electroluminescentes comme sources lumineuses |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1006759B1 (fr) |
DE (1) | DE69925092T2 (fr) |
ES (1) | ES2248977T3 (fr) |
IT (1) | IT1305051B1 (fr) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2003067933A1 (fr) * | 2002-02-08 | 2003-08-14 | Ortana Elektronik Yazilim Taahhut Sanayi Ve Ticaret Ltd. Sti. | Feu de circulation intelligent a diode emettrice de lumiere |
GB0402974D0 (en) | 2004-02-11 | 2004-03-17 | Bhagat Peter | Apparatus for the control of lighting and associated methods |
ITRM20040448A1 (it) * | 2004-09-22 | 2004-12-22 | Tecnologie Meccaniche S R L | Interfaccia di alimentazione e rilevazione guasti per un segnalatore ottico a led, in particolare per l'adattamento a reti di alimentazione ferroviarie. |
JP4926784B2 (ja) * | 2007-03-29 | 2012-05-09 | 株式会社小糸製作所 | 発光装置 |
CN102033174A (zh) * | 2010-09-30 | 2011-04-27 | 中国铁路通信信号上海工程集团有限公司 | 指示器及其故障诊断系统、故障诊断方法 |
US8607106B2 (en) | 2010-10-25 | 2013-12-10 | Himax Analogic, Inc. | Channel detection device |
KR20120083005A (ko) * | 2011-01-17 | 2012-07-25 | 삼성전자주식회사 | 오류 감지 장치 및 방법 |
TWI607673B (zh) | 2017-03-21 | 2017-12-01 | 聚積科技股份有限公司 | Failure detection system and method |
TWI625532B (zh) | 2017-03-21 | 2018-06-01 | 失效偵測系統及其方法 | |
US10187955B2 (en) * | 2017-06-09 | 2019-01-22 | Infineon Technologies Ag | Detection of single short-LED in LED chains |
DE102019208132A1 (de) * | 2019-06-04 | 2020-12-10 | Heraeus Noblelight Gmbh | Anordnung mit belichtungseinrichtung und messeinrichtung, beinhaltend eine elektrische messschaltung und eine selektionsschaltung |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5359325A (en) * | 1991-10-03 | 1994-10-25 | Cooper Industries, Inc. | Automatic monitoring system for airfield lighting systems |
US5459328A (en) * | 1993-05-31 | 1995-10-17 | Fujitsu Limited | Driver circuit for light emitting elements connected in series and an optical amplifying repeater using the same |
FR2724749A1 (fr) * | 1994-09-15 | 1996-03-22 | Sofrela Sa | Lampe a del pour bloc de signalisation routiere, comprenant des moyens de controle de son fonctionnement |
US5644304A (en) * | 1992-07-22 | 1997-07-01 | Pavarotti; Remo | Automatic control system of lights in a series circuit illumination plant, in particular lights for airport signalling |
US5663719A (en) * | 1993-04-29 | 1997-09-02 | Electro-Tech's | LED traffic signal light with automatic low-line voltage compensating circuit |
WO1998015840A2 (fr) * | 1996-09-26 | 1998-04-16 | Denis Vadimovich Andreev | Systeme permettant de controler l'etat de plusieurs lampes |
WO1998049872A1 (fr) * | 1997-04-30 | 1998-11-05 | Signal House Limited | Feux de signalisation |
-
1998
- 1998-12-04 IT IT1998FI000264A patent/IT1305051B1/it active
-
1999
- 1999-10-11 DE DE69925092T patent/DE69925092T2/de not_active Expired - Fee Related
- 1999-10-11 ES ES99830640T patent/ES2248977T3/es not_active Expired - Lifetime
- 1999-10-11 EP EP99830640A patent/EP1006759B1/fr not_active Expired - Lifetime
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5359325A (en) * | 1991-10-03 | 1994-10-25 | Cooper Industries, Inc. | Automatic monitoring system for airfield lighting systems |
US5644304A (en) * | 1992-07-22 | 1997-07-01 | Pavarotti; Remo | Automatic control system of lights in a series circuit illumination plant, in particular lights for airport signalling |
US5663719A (en) * | 1993-04-29 | 1997-09-02 | Electro-Tech's | LED traffic signal light with automatic low-line voltage compensating circuit |
US5459328A (en) * | 1993-05-31 | 1995-10-17 | Fujitsu Limited | Driver circuit for light emitting elements connected in series and an optical amplifying repeater using the same |
FR2724749A1 (fr) * | 1994-09-15 | 1996-03-22 | Sofrela Sa | Lampe a del pour bloc de signalisation routiere, comprenant des moyens de controle de son fonctionnement |
WO1998015840A2 (fr) * | 1996-09-26 | 1998-04-16 | Denis Vadimovich Andreev | Systeme permettant de controler l'etat de plusieurs lampes |
WO1998049872A1 (fr) * | 1997-04-30 | 1998-11-05 | Signal House Limited | Feux de signalisation |
Also Published As
Publication number | Publication date |
---|---|
DE69925092T2 (de) | 2006-01-26 |
IT1305051B1 (it) | 2001-04-10 |
ITFI980264A1 (it) | 2000-06-05 |
ES2248977T3 (es) | 2006-03-16 |
DE69925092D1 (de) | 2005-06-09 |
EP1006759A2 (fr) | 2000-06-07 |
ITFI980264A0 (it) | 1998-12-04 |
EP1006759B1 (fr) | 2005-05-04 |
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