EP1555857A1 - Zentrale Versorgung über mehrere DC-Ausgangskreise - Google Patents
Zentrale Versorgung über mehrere DC-Ausgangskreise Download PDFInfo
- Publication number
- EP1555857A1 EP1555857A1 EP04028165A EP04028165A EP1555857A1 EP 1555857 A1 EP1555857 A1 EP 1555857A1 EP 04028165 A EP04028165 A EP 04028165A EP 04028165 A EP04028165 A EP 04028165A EP 1555857 A1 EP1555857 A1 EP 1555857A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- voltage
- output circuits
- central unit
- operating device
- different
- 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
- 238000000034 method Methods 0.000 claims abstract description 6
- 238000012937 correction Methods 0.000 claims description 5
- 238000002565 electrocardiography Methods 0.000 description 11
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 230000007175 bidirectional communication Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Images
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
- H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
- H05B41/14—Circuit arrangements
- H05B41/24—Circuit arrangements in which the lamp is fed by high frequency AC, or with separate oscillator frequency
- H05B41/245—Circuit arrangements in which the lamp is fed by high frequency AC, or with separate oscillator frequency for a plurality of lamps
Definitions
- the present invention relates to the controller of lighting control gear starting from a central unit.
- the invention proceeds from a in Fig. 2 schematically shown system.
- this is Illuminant a gas discharge lamp 5, by a Electric ballast (ECG) 1 as operating device is controlled.
- ECG Electric ballast
- this ECG 1 a rectifier with power factor correction circuit (PFC, Power Factor Correction) 2, an electrolyte storage capacitor 4 and an RF inverter 3, in turn, by means of its output circuit 6 the Gas discharge lamp 5 drives.
- the DC voltage Bus voltage
- an emergency lighting controller 7 may be provided be.
- the rectifier 2 in the ECG 1 is usually with AC voltage 9, for example, mains voltage supplied.
- ECG 1 via a digital or To control analog bus 8, thus the lamp 5 to start, dim or turn off.
- ECG 1 Lamp operating device
- PFC circuit Such a PFC circuit known to reduce annoying harmonics in the Input current.
- these are local in everyone ECG 1 provided inverter with PFC 2 one considerable cost factor, which is the trend too extreme Low-cost manufactured electronic ballasts severely limited.
- the central point of the invention is that the Unit rectifier / PFC no longer local in each Operating device, but central to several operating devices is provided.
- the connection between this center and the individual operating devices is carried out according to the invention via a DC output circuit.
- a first aspect of the invention is a system for Control of operating devices for lamps intended.
- This system has a central unit, having a rectifier circuit and with AC voltage is supplied. Furthermore, several Operating devices provided, which each have at least one Illuminant is assigned.
- the central unit supplies the control gear with DC over several Output circuits. In this case, at least two output circuit have different DC levels. Consequently becomes a flexible power supply across the DC output circuits guaranteed.
- the central processing unit may further include a power factor correction circuit (PFC) circuit.
- PFC power factor correction circuit
- the output circuits with different DC voltage levels can be used for control gear for different types of bulbs (for example Gas discharge lamp, LED, etc.) to be assigned.
- bulbs for example Gas discharge lamp, LED, etc.
- the central unit can also be a pure Have digital signal output circuit, that is not for Power supply is used.
- the digital signal output circuit can be a control gear be connected, one of the central unit independent power supply, in particular a mains AC power supply having.
- One of the output circuits of the central unit can be grounded be connected, with at least two more Output circuits have DC voltage levels that are around the Ground potential are designed symmetrically around.
- these two other output circuits also designed asymmetrically around the ground potential around be.
- At least one operating device can be equipped with output circuits be connected to different DC levels.
- An output circuit can, for example, for the Providing the bulb operating power and at least one more starting point for the Provision of a low-voltage power supply from Serve logic components in a control gear.
- At least one of the operating devices can be electronic ballast (ECG) for Gas discharge lamps, which is an inverter having.
- ECG electronic ballast
- the operating device can also as Output converters are called.
- Over at least one of the output circuits can Control signals, for example, according to a powerline technique be transmitted, these drive signals So the DC voltage are modulated.
- central unit itself can be used for output circuits with different DC levels different Rectifier and / or PFC modules may be provided.
- a system for controlling control gear for bulbs which has a central unit, the one Having rectifier circuit and with AC voltage (For example, mains voltage) can be supplied. It is at least one operating device for lighting with the Central unit over several DC output circuits with different voltage levels.
- AC voltage For example, mains voltage
- a the operating device assigned light source by transmission of a Off command via one of the output circuits be switched off, the power supply via keep another output circuit unchanged can be.
- the present invention relates Invention also to methods for controlling Control gear for bulbs.
- a central processing unit is included for example, a rectifier 2 and possibly also a Power factor correction circuit (PFC) 10, common to several light-emitting devices 1, 1 ', 1 "provided.
- the central unit 2 is with (mains) AC voltage. 9 provided.
- the central unit 2, 10 may also be otherwise spatially separated from the operating devices and, for example. central to a room, a floor or even a building in a control cabinet, etc. are arranged.
- the various lamp operating devices 1, 1 ', 1 various illuminants, such as a Gas discharge lamp 5, LEDs 5 ', etc. control.
- the Lamps themselves can be with DC or AC voltage operated in the latter case in the associated operating device provided an inverter is.
- a DC output circuit 11 of Central unit also other (eg passive) lighting technology or building services, such as a light sensor 5 "or a motion detector (not shown).
- FIG. 1 shown schematically can be an output circuit 11th be designed bus-like, so that starting from this central common bus 11 the different Operating devices 1, 1 ', 1 "via stubs 13, 13', 13 '' are supplied. Alternatively or additionally for individual operating devices or jointly supplied Groups of control gear individual output circuits 12 be provided.
- This DC output circuit has the advantage that it is in the Less vulnerable compared to corresponding AC circuits parasitic effects.
- the central unit for several operating devices in common is provided, wherein the central unit with the Operating devices by means of at least one DC output circuit connected is.
- Fig. 3 shows an embodiment of the invention, in the central unit 2 with a total of three output circuits drives different DC levels, namely a first output circuit 31 with a high-voltage DC voltage for example, 400 volts, a second Output circuit 32 with a low-voltage DC of for example, 12 volts and another output circuit 33, which is connected to ground.
- a first output circuit 31 with a high-voltage DC voltage for example, 400 volts
- a second Output circuit 32 with a low-voltage DC of for example, 12 volts
- another output circuit 33 which is connected to ground.
- FIG. 3 schematically Operating devices 3, here electronic ballasts with inverters for Gas discharge lamps 5, are with each of the mentioned Output circuits 31, 32, 33 connected, so they on the one hand a DC voltage of 400 volts for the Operation of the gas discharge lamps (in general bulbs) and another DC voltage of, for example, 12 Volts are provided via an input 35.
- the Low-voltage output circuit 32 can be used to supply Logic components in the operating devices 3 or even to Signal transmission serve, for example, as a digital bus is designed. Alternatively, in the sense of a Powerline technology this 12 volt high frequency Control signals be modulated.
- the low-voltage output circuit 32 also the operating devices 2 respectively associated lighting be turned off, as schematically by a switch 36 is shown.
- the problem of spark gap with open Switch 36 significantly reduced. So if, for example the low-voltage output circuit 32, the logic components in the operating device 3 via the respective terminal 35th supplied by opening the switch 36 this corresponding logic components, such as the Control of the inverter switched off in an ECG which, in turn, will extinguish the assigned one Gas discharge lamp 5 leads.
- bulbs can of course be switched off be, for example, by an upstream Power switch 37, the central unit 2 in total is switched off.
- the low-voltage output circuit with, for example, 12V DC in any combination as power supply for Illuminant (especially for LEDs), as Supply voltage for logic components (eg ASICs) in a control gear and / or used as a control circuit become.
- Illuminant especially for LEDs
- ASICs logic components
- Fig. 4a are a High-voltage control gear 41 and a medium-voltage control gear 42, with 400 volts DC and 200, respectively Voltage DC be supplied.
- the central unit 2 shown a total of three Output circuits 45, 47, 48, wherein a Output circuit 45 is connected to ground (GND) and the two other output circuits 47, 48 voltage level symmetric about this ground potential, here in the form of ⁇ 200 volts.
- GND ground
- Fig. 4a, 4b as well as in the following explained Fig. 5 the Illuminants are shown purely schematically. The However, bulbs can be of any nature and For example, in groups serially and / or in parallel to a Operating equipment can be connected.
- ECGs of all kinds with the 400V DC operated can be.
- the mean voltage is 200V DC
- the low lamp burning voltages provide.
- FIG. 4b shows a modification of FIG. 4a in that that although the central unit 2 continues to several Output circuits 44, 45, 46 with different DC potential having, in addition to the ground output circuit 45th provided further output circuits 44, 46 but in this Case lead levels that are asymmetric to the above Ground potential, here in the form of +400 volts DC or -12 Volts DC are arranged.
- a high voltage DC supply for a Operating device 41 or a low-voltage DC supply for a control gear 43 reach.
- the low voltage DC Supply of, for example, 12 volts is especially for LED bulbs suitable.
- Fig. 5 now shows a modification of the already mentioned embodiments in that next the output circuits, which are a supply voltage supply, if necessary in combination with a powerline signal transmission ensure that the central unit 2 is a pure control output circuit 54, for example, according to the DALI (Digital Addressable Lighting Interface) standard.
- This Control output circuit 54 supplies the associated Resources, here a ballast 52 thus not with the Operating voltage. Rather, in the sense of one from the Prior art known electronic ballast with digital interface this electronic ballast 52 independent of the Central unit 2 supplied with mains voltage 55 to the Gas discharge lamp 5 to control.
- the central unit can consist of several parallel modules each having a PFC 57 and an electronic one Have fuse 56.
- Each module is one assigned to live output circuit. Especially can use different modules output circuits supply different DC voltage levels.
- each module is preceded by a switch 58, so that modules can be switched on or off individually can, so as to the respective associated output circuits to switch.
- a switch 58 so that modules can be switched on or off individually can, so as to the respective associated output circuits to switch.
- certain operating devices or Groups of them and the associated bulbs targeted be switched on and off.
Landscapes
- Circuit Arrangement For Electric Light Sources In General (AREA)
- Circuit Arrangements For Discharge Lamps (AREA)
Abstract
Description
- Fig. 1
- zeigt eine schematische Ansicht eines erfindungsgemäßen Steuersystems für Leuchtmittel-Betriebsgeräte mit zentraler Gleichrichter/PFC-Einheit und DC-Ausgangskreis,
- Fig. 2
- zeigt eine aus dem Stand der Technik bekannte Betriebsmittel-Ausgestaltung für Gasentladungslampen,
- Fig. 3
- zeigt ein Ausführungsbeispiel der vorliegenden Erfindung, bei dem Betriebsgeräte für Leuchtmittel mit der Zentraleinheit jeweils über Ausgangskreise mit unterschiedlichen Gleichspannungspegeln verbunden sind,
- Fig. 4a
- zeigt ein Ausführungsbeispiel der vorliegenden Erfindung, bei dem die Betriebsgeräte mit der Zentraleinheit über mehrere Ausgangskreise verbunden sind, wobei DC-Spannungspegel von wenigstens zwei Ausgangskreisen symmetrisch um das Massepotential herum ausgelegt sind,
- Fig. 4b
- zeigt ein Abwandlung des Ausführungsbeispiels von Fig. 4a dahingehend, dass zwei Ausgangskreise Gleichspannungspegel aufweisen, die um das Massepotential herum asymmetrisch ausgelegt sind, und
- Fig. 5
- zeigt ein weiteres Ausführungsbeispiel der vorliegenden Erfindung, bei dem die Zentraleinheit einen reinen Steuerausgang aufweist, der ein Betriebsgerät ansteuert, das seine Betriebsspannungsversorgung unabhängig von der Zentraleinheit ausgelegt hat.
Claims (18)
- System zur Ansteuerung von Betriebsgeräten für Leuchtmitteln, aufweisend:wobei wenigstens zwei DC-Ausgangskreise (31, 32, 33) unterschiedliche Gleichspannungspegel aufweisen.eine Zentraleinheit, die eine Gleichrichterschaltung (2) aufweist und mit Wechselspannung (9) versorgbar ist,mehrere Betriebsgeräte (1), denen jeweils wenigstens ein Leuchtmittel (5) zugeordnet ist, undmehrere DC-Ausgangskreise (31, 32, 33), mittels der die Zentraleinheit die Betriebsgeräte (1) mit Gleichspannung versorgt,
- System nach Anspruch 1,
dadurch gekennzeichnet,
das die Zentraleinheit weiterhin eine Leistungsfaktor-Korrekturschaltung aufweist. - System nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, dass Ausgangskreisen mit unterschiedlichen Gleichspannungspegeln Betriebsgeräte für unterschiedliche Leuchtmittel zugeordnet sind. - System nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, dass die Zentraleinheit weiterhin einen reinen Digitalsignal-Ausgangskreis aufweist. - System nach Anspruch 4,
dadurch gekennzeichnet, dass mit dem Digitalsignal-Ausgangskreis ein Betriebsgerät verbunden ist, das eine von der Zentraleinheit unabhängige Spannungsversorgung, insbesondere eine Wechselspannungsversorgung aufweist. - System nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, dass einer der Ausgangskreise der Zentraleinheit mit Masse verbunden ist und wenigstens zwei weitere Ausgangskreise Gleichspannungspegel aufweisen, die symmetrisch zu dem Massepotential sind. - System nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, dass einer der Ausgangskreise der Zentraleinheit mit Masse verbunden ist und wenigstens zwei weitere Ausgangskreise Gleichspannungspegel aufweisen, die asymmetrisch zu dem Massepotential sind. - System nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, dass wenigstens ein Betriebsgerät mit Ausgangskreisen mit unterschiedlichen Gleichspannungspegeln verbunden ist. - System nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, dass wenigstens ein Ausgangskreis für die Bereitstellung der Leuchtmittel-Betriebsleistung und wenigstens ein weiterer für die Bereitstellung einer Niedervolt-Spannungsversorgung von Logikbauteilen in einem Betriebgerät dient. - System nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, dass wenigstens eines der Betriebsgeräte ein Elektronisches Vorschaltgerät für Gasentladungslampen ist, das einen Wechselrichter aufweist. - System nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, dass über wenigstens einen der Ausgangskreise Ansteuersignale übermittelt werden, die der Gleichspannung aufmoduliert sind. - System nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, dass in der Zentraleinheit für Ausgangskreise mit unterschiedlichen Gleichspannungspegeln unterschiedliche Module vorgesehen sind. - System zur Ansteuerung von Betriebsgeräten für Leuchtmitteln, aufweisend:wobei das Betriebsgerät mit der Zentraleinheit über mehre DC-Ausgangskreise verbunden ist, von denen wenigstens zwei unterschiedliche Spannungspegel aufweisen.eine Zentraleinheit, die eine Gleichrichterschaltung aufweist und mit Wechselspannung versorgbar ist,wenigstens ein Betriebsgerät für Leuchtmittel,
- System nach Anspruch 13,
dadurch gekennzeichnet, dass ein dem Betriebsgerät zugeordnetes Leuchtmittel durch Übertragung eines Ausschaltbefehls über einen Ausgangskreis ausschaltbar ist, wobei die Spannungsversorgung mittels eines weiteren Ausgangskreises beibehalten wird. - System nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, dass ein Betriebsgerät mittels eines Schalters in einem Niedervolt-Ausgangskreis ausschaltbar ist. - Verfahren zur Ansteuerung von Betriebsgeräten für Leuchtmitteln, wobei eine Zentraleinheitwobei wenigstens zwei Ausgangskreise unterschiedliche Gleichspannungspegel aufweisen.eine zugeführte Wechselspannung gleichrichtet, undmittels mehrere Ausgangskreise Betriebsgeräte mit Gleichspannung versorgt, denen jeweils wenigstens ein Leuchtmittel zugeordnet ist,
- Verfahren zur Ansteuerung von Betriebsgeräten für Leuchtmitteln, wobei eine Zentraleinheitwobei dem Betriebsgerät wenigstens ein Leuchtmittel zugeordnet ist und wenigstens zwei Ausgangskreise unterschiedliche Gleichspannungspegel aufweisen.eine zugeführte Wechselspannung gleichrichtet, undmittels mehrere Ausgangskreise ein Betriebsgerät mit Gleichspannung versorgt,
- Verfahren nach Anspruch 16 oder 17,
dadurch gekennzeichnet, dass ein angeschlossenes Betriebsgerät über einen Niedervolt-Ausgangskreis ausgeschaltet wird.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP10182653.5A EP2278861B1 (de) | 2004-01-14 | 2004-11-26 | Zentrale Versorgung über mehrere DC-Ausgangskreise |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102004002016 | 2004-01-14 | ||
| DE102004002016A DE102004002016A1 (de) | 2004-01-14 | 2004-01-14 | Zentrale Versorgung über mehrere DC-Ausgangskreise |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP10182653.5 Division-Into | 2010-09-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1555857A1 true EP1555857A1 (de) | 2005-07-20 |
| EP1555857B1 EP1555857B1 (de) | 2013-10-02 |
Family
ID=34609548
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP10182653.5A Expired - Lifetime EP2278861B1 (de) | 2004-01-14 | 2004-11-26 | Zentrale Versorgung über mehrere DC-Ausgangskreise |
| EP04028165.1A Expired - Lifetime EP1555857B1 (de) | 2004-01-14 | 2004-11-26 | Zentrale Versorgung über mehrere DC-Ausgangskreise |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP10182653.5A Expired - Lifetime EP2278861B1 (de) | 2004-01-14 | 2004-11-26 | Zentrale Versorgung über mehrere DC-Ausgangskreise |
Country Status (2)
| Country | Link |
|---|---|
| EP (2) | EP2278861B1 (de) |
| DE (1) | DE102004002016A1 (de) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2323463A3 (de) * | 2009-11-17 | 2012-01-04 | Automotive Lighting Reutlingen GmbH | Steuergerät zur Ansteuerung einer Beleuchtungseinrichtung eines Kraftfahrzeugs, sowie Beleuchtungseinrichtung für ein Kraftfahrzeug mit einem solchen Steuergerät |
| EP2237646A4 (de) * | 2007-12-26 | 2015-01-07 | Panasonic Corp | Hakendecke |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102006035046B4 (de) * | 2006-07-28 | 2013-05-29 | Insta Elektro Gmbh | Elektrisches/elektronisches Zentralgerät |
| DE102010031244B4 (de) | 2010-03-19 | 2023-01-12 | Tridonic Ag | Modulares LED-Beleuchtungssystem |
| WO2013040736A1 (zh) * | 2011-09-19 | 2013-03-28 | 东莞勤上光电股份有限公司 | 一种直流高压供电led路灯系统及其实现方法 |
| WO2014174159A1 (fr) | 2013-04-24 | 2014-10-30 | Societe D'etudes Et D'economies En Eclairage, Se3 | Dispositif d'alimentation en courant continu d'un ensemble de dispositifs d'éclairage à leds utilisés dans l'éclairage industriel et l'éclairage tertiaire |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB943241A (en) * | 1960-11-23 | 1963-12-04 | Marconi Instruments Ltd | Improvements in or relating to rectifier circuit arrangements |
| US4626697A (en) * | 1984-10-22 | 1986-12-02 | American Hospital Supply Corporation | Power supply for providing plural DC voltages |
| WO1994027419A1 (en) * | 1993-05-13 | 1994-11-24 | Etta Industries, Inc. | System and method for distributing power to gas discharge lamps |
| DE29622825U1 (de) * | 1996-03-29 | 1997-07-10 | Lohmann-Werke GmbH & Co, 33604 Bielefeld | Bestrahlungsgerät |
| EP1220581A2 (de) * | 2000-12-28 | 2002-07-03 | Setech S.r.l. | Anordnung zum Betreiben von Kaltkathoden- Entladungslampen |
| US20020158591A1 (en) * | 2001-03-28 | 2002-10-31 | International Rectifier Corp. | Digital dimming fluorescent ballast |
| US20030036807A1 (en) * | 2001-08-14 | 2003-02-20 | Fosler Ross M. | Multiple master digital addressable lighting interface (DALI) system, method and apparatus |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1244337A1 (de) * | 2001-03-20 | 2002-09-25 | MAGNETEK S.p.A. | Beleuchtungsanordnung mit Stromleiterschiene und mehreren Beleuchtungskörpern |
| EP1474633A2 (de) * | 2002-02-06 | 2004-11-10 | Color Kinetics Incorporated | Verfahren und vorrichtung zum steuern einer beleuchtung |
-
2004
- 2004-01-14 DE DE102004002016A patent/DE102004002016A1/de not_active Ceased
- 2004-11-26 EP EP10182653.5A patent/EP2278861B1/de not_active Expired - Lifetime
- 2004-11-26 EP EP04028165.1A patent/EP1555857B1/de not_active Expired - Lifetime
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB943241A (en) * | 1960-11-23 | 1963-12-04 | Marconi Instruments Ltd | Improvements in or relating to rectifier circuit arrangements |
| US4626697A (en) * | 1984-10-22 | 1986-12-02 | American Hospital Supply Corporation | Power supply for providing plural DC voltages |
| WO1994027419A1 (en) * | 1993-05-13 | 1994-11-24 | Etta Industries, Inc. | System and method for distributing power to gas discharge lamps |
| DE29622825U1 (de) * | 1996-03-29 | 1997-07-10 | Lohmann-Werke GmbH & Co, 33604 Bielefeld | Bestrahlungsgerät |
| EP1220581A2 (de) * | 2000-12-28 | 2002-07-03 | Setech S.r.l. | Anordnung zum Betreiben von Kaltkathoden- Entladungslampen |
| US20020158591A1 (en) * | 2001-03-28 | 2002-10-31 | International Rectifier Corp. | Digital dimming fluorescent ballast |
| US20030036807A1 (en) * | 2001-08-14 | 2003-02-20 | Fosler Ross M. | Multiple master digital addressable lighting interface (DALI) system, method and apparatus |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2237646A4 (de) * | 2007-12-26 | 2015-01-07 | Panasonic Corp | Hakendecke |
| EP2323463A3 (de) * | 2009-11-17 | 2012-01-04 | Automotive Lighting Reutlingen GmbH | Steuergerät zur Ansteuerung einer Beleuchtungseinrichtung eines Kraftfahrzeugs, sowie Beleuchtungseinrichtung für ein Kraftfahrzeug mit einem solchen Steuergerät |
| US8598735B2 (en) | 2009-11-17 | 2013-12-03 | Automotive Lighting Reutlingen Gmbh | Control unit for controlling an illumination device for a motor vehicle as well as an illumination device for a motor vehicle with such a control unit |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102004002016A1 (de) | 2005-08-04 |
| EP2278861B1 (de) | 2013-09-18 |
| HK1148161A1 (en) | 2011-08-26 |
| EP2278861A1 (de) | 2011-01-26 |
| EP1555857B1 (de) | 2013-10-02 |
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