EP1220578A3 - Procédé et dispositif pour modifier la température de couleur - Google Patents

Procédé et dispositif pour modifier la température de couleur Download PDF

Info

Publication number: EP1220578A3
Authority: EP; European Patent Office
Prior art keywords: changing; colour temperature; light; bel; emitting diodes
Prior art date: 2000-12-21
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 Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn

Application number

EP01890346A

Other languages

German (de)

English (en)

Other versions

EP1220578A2 (fr

Inventor

Harald Schweigert

Stefan Gut

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Siemens AG Oesterreich

Original Assignee

Siemens AG Oesterreich

Priority date (The priority date 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 date listed.)

2000-12-21

Filing date

2001-12-20

Publication date

2004-11-17

2001-12-20 Application filed by Siemens AG Oesterreich filed Critical Siemens AG Oesterreich

2002-07-03 Publication of EP1220578A2 publication Critical patent/EP1220578A2/fr

2004-11-17 Publication of EP1220578A3 publication Critical patent/EP1220578A3/fr

Status Withdrawn legal-status Critical Current

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]
- H05B45/20—Controlling the colour of the light

Landscapes

Circuit Arrangement For Electric Light Sources In General (AREA)
Light Sources And Details Of Projection-Printing Devices (AREA)

EP01890346A 2000-12-21 2001-12-20 Procédé et dispositif pour modifier la température de couleur Withdrawn EP1220578A3 (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
AT9422000U		2000-12-21
AT9422000		2000-12-21

Publications (2)

Publication Number	Publication Date
EP1220578A2 EP1220578A2 (fr)	2002-07-03
EP1220578A3 true EP1220578A3 (fr)	2004-11-17

Family

ID=32996799

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP01890346A Withdrawn EP1220578A3 (fr)	2000-12-21	2001-12-20	Procédé et dispositif pour modifier la température de couleur

Country Status (1)

Country	Link
EP (1)	EP1220578A3 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FI115948B (fi) *	2003-06-06	2005-08-15	Teknoware Oy	Valaisimen värilämpötilan säätö
DE10349553B4 (de) *	2003-06-25	2007-04-19	Digitallicht Ag	Verfahren und Lichtnetzwerk zur Helligkeitsregelung und dynamischen Farbmischung von LED-Einheiten
DE102007052854A1 (de)	2007-11-06	2009-05-07	Münchner Hybrid Systemtechnik GmbH	Verfahren und Vorrichtung zur Steuerung der Lichtabgabe einer LED-Leuchte
DE102008013048A1 (de) *	2008-03-06	2009-09-24	Mbb International Group Ag	Leuchte, insbesondere zur Erzielung eines tageslichtähnlichen Leuchtspektrums
DE102008013049A1 (de) *	2008-03-06	2009-09-24	Mbb International Group Ag	Leuchte, insbesondere zur Erzielung eines tageslichtähnlichen Lichtspektrums
DE102010000672A1 (de) *	2010-01-05	2011-07-07	Tridonic Ag	Kombiniertes Verfahren zum Betreiben eines elektrischen Leuchtmittels sowie Betriebsschaltung
DE102012211828B4 (de)	2012-07-06	2023-03-02	Lisa Dräxlmaier GmbH	LED-Beleuchtung für Fahrzeuge

Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5895128A (en) *	1997-01-21	1999-04-20	Minolta Co., Ltd.	Electronic flash and a camera provided with the same
US6016038A (en) *	1997-08-26	2000-01-18	Color Kinetics, Inc.	Multicolored LED lighting method and apparatus

2001
- 2001-12-20 EP EP01890346A patent/EP1220578A3/fr not_active Withdrawn

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5895128A (en) *	1997-01-21	1999-04-20	Minolta Co., Ltd.	Electronic flash and a camera provided with the same
US6016038A (en) *	1997-08-26	2000-01-18	Color Kinetics, Inc.	Multicolored LED lighting method and apparatus

Also Published As

Publication number	Publication date
EP1220578A2 (fr)	2002-07-03

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Legal Events

Date	Code	Title	Description
2002-05-17	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
2002-07-03	AK	Designated contracting states	Kind code of ref document: A2 Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
2002-07-03	AX	Request for extension of the european patent	Free format text: AL;LT;LV;MK;RO;SI
2004-10-01	PUAL	Search report despatched	Free format text: ORIGINAL CODE: 0009013
2004-11-17	AK	Designated contracting states	Kind code of ref document: A3 Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
2004-11-17	AX	Request for extension of the european patent	Extension state: AL LT LV MK RO SI
2004-11-19	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN
2005-01-05	18D	Application deemed to be withdrawn	Effective date: 20040701