WO2006013035A2 - Ansteuerung von leistungsschaltern - Google Patents
Ansteuerung von leistungsschaltern Download PDFInfo
- Publication number
- WO2006013035A2 WO2006013035A2 PCT/EP2005/008077 EP2005008077W WO2006013035A2 WO 2006013035 A2 WO2006013035 A2 WO 2006013035A2 EP 2005008077 W EP2005008077 W EP 2005008077W WO 2006013035 A2 WO2006013035 A2 WO 2006013035A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- behavior
- control
- circuit
- circuit breaker
- voltage
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/16—Modifications for eliminating interference voltages or currents
- H03K17/161—Modifications for eliminating interference voltages or currents in field-effect transistor switches
- H03K17/165—Modifications for eliminating interference voltages or currents in field-effect transistor switches by feedback from the output circuit to the control circuit
- H03K17/166—Soft switching
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
- H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/156—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators
- H02M3/157—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators with digital control
-
- 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
- H05B41/26—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc
- H05B41/28—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters
-
- 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
- H05B41/26—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc
- H05B41/28—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters
- H05B41/282—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters with semiconductor devices
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
Definitions
- the present invention relates generally to the art of driving power switches such as may be used in a power factor control (PFC) circuit.
- PFC power factor control
- the present invention is based on this finding and has set itself the task of providing a technique by means of which a desired circuit behavior can be flexibly imposed on different circuit breakers.
- a method for the controlled actuation of a circuit breaker for the electrical supply of devices is provided.
- a setpoint behavior of the current and / or the voltage is predetermined by the circuit breaker or at least for a time portion of a switching operation.
- the actual behavior of this parameter is measured and returned to form a closed loop.
- the measured actual behavior is compared with the desired behavior and the activation of the circuit breaker is effected in such a way that the actual behavior essentially follows the desired behavior.
- the desired behavior can in particular specify the edge course of the switching operation, for example based on at least two interpolation points.
- Values representing the desired behavior can be stored as discrete values in a memory, for example.
- the desired behavior can also be specified by means of an analog circuit, for example by means of a rectangular oscillator with limited edge steepness.
- the present invention also relates in a further aspect to a method for calibrating the switching behavior of a circuit breaker.
- the current and / or the voltage is measured by or on the power switch, at least for a time portion of a switching operation.
- the control of the circuit breaker is adjusted so that to achieve a low electromagnetic interference during the switching behavior, the actual Sehalt substantially corresponds to a predetermined target behavior, the target behavior with respect to the electromagnetic interference (EMI) is optimized.
- EMI electromagnetic interference
- Such a calibration method can be used, for example, for a power switch in a PFC circuit.
- the invention also relates to a computer software program product implementing such a method when running on a computing device, for example programmed in an ASIC.
- the present invention also relates to a circuit breaker control circuit.
- This control circuit has means for predetermining a desired behavior of the current and / or the voltage by means of or at a power switch, at least for a time portion of a switching operation. Furthermore, means for measuring the actual behavior and for returning the measurement result are provided. Finally, a control device is provided which performs the control of the circuit breaker such that the actual behavior substantially corresponds to the desired behavior.
- This control device may be, for example, an ASIC and / or a discrete circuit.
- the present invention also relates to a system for calibrating the switching behavior of a circuit breaker, to a lighting device, to an electronic ballast (ECG) for gas discharge lamps and to a PFC circuit, each having such a control circuit.
- ECG electronic ballast
- Fig. 1 shows a schematic
- FIG. 3 shows a calibration of a drive circuit according to the invention
- FIG. 4 shows the use of a control circuit according to the invention in the context of a PFC (Power Factor Correction) circuit.
- PFC Power Factor Correction
- a power switch is designed as a FET transistor 1.
- the control input (here: gate) 31 this
- Power switch 1 is a drive signal 9 of a
- an integrated circuit (ASIC) 7 may be, for example, but can also be constructed as a discrete or hybrid circuit.
- Circuit breaker 1 at least during a portion of the period of switching operations, in particular during the
- This parameter can be, for example, the
- the measurement / control can be limited to certain time segments, such as the dynamic ranges (edges), but also continuously monitor the switching behavior based on at least one parameter, so that the static regions are also monitored and regulated.
- the reference numeral 2 schematically shows an actual behavior of the switching behavior measured in this manner in the region of a rising edge, ie a switch-on operation of the circuit breaker 1.
- the voltage U applied to the switch 1 is measured and regulated.
- the actual behavior which is optimized by the control circuit according to the invention, is regulated in such a way that the edge has a predetermined profile and in particular a predetermined finite edge steepness.
- the measured parameter is fed to an input 3 of the control device (ASIC) 7.
- the control device ASIC
- Input 3 fed actual signal with an externally or internally given in the present example setpoint behavior 6 compares and depending on this comparison to implement a rule algorithm
- Correction signal as control signal 9 outputs to the control input of the circuit breaker 1.
- the nominal behavior 6 can be implemented in different ways, for example with the aid of a rectangular oscillator with limited edge steepness.
- the control circuit shown in FIG. 1 has an analog circuit for implementing the desired behavior 6. It can in the case of such an analog Setpoint default imposed a continuous target behavior.
- FIG. 2 shows a schematic overview of a digital embodiment of the control circuit according to the invention.
- a power switch 1 is fed by a drive signal 9.
- the actual behavior of a parameter of the circuit breaker 9 - such as the current and / or the voltage through or on the circuit breaker 9 - is in turn detected by a control device 7 by means of a voltage divider 4, 5.
- the function of the control device 7 consists in a comparison of the measured actual behavior with a predetermined desired behavior 12 and in a corresponding control 9 of the circuit breaker.
- the comparison of the actual and desired behavior and the temporal response thereto is performed by a logic circuit 13, which i.a. contains the function of a digital comparator.
- An analog-to-digital converter 11 for digitizing the detected input parameter 3 supplies the logic circuit 13 with the corresponding digital actual behavior.
- the discrete digital values representing the desired behavior are supplied from a memory 12 to a further input of the logic circuit 13.
- control input 16 Another input of the logic circuit 13 serves as a control input 16. Via the control input 16 can, for example, the dynamic control behavior by adjusting the temporal response of the logic circuit set to control deviations. A provision of the desired behavior by means of digital
- Values in a memory according to the embodiment of FIG. 2 have the advantage that substantially any, even non-linear, profiles, in particular in the region of the flanks, can be specified for the switching behavior.
- two discrete support values are stored in the memory 12 for one edge, whereby a rectilinear edge can already be predefined.
- the number of supporting values which reproduce the desired behavior can be increased as desired for more complex edge progressions or else for specifying such rectilinear flanks.
- Error Amplifier he controls programmable current sources 14, 15 such that the
- Circuit breaker 1 is operated with the desired drive signal 9, that is, the actual behavior substantially follows the desired behavior.
- the analog and digital embodiments just described thus relate to an embodiment in which a closed control loop during correction of the circuit breaker 1 corrects the control in order to achieve the desired behavior.
- the present invention also relates to the unique calibration of a drive circuit, in which an existing switching behavior 2 of the circuit breaker 1 is detected once by means of a special measuring device 18 and then a one-off, for example. Factory calibration of the drive circuit 7 is performed. This is shown schematically in FIG. At this
- an external or here internal, programmable calibration memory 19 is provided (in the aforementioned embodiments, the memory 6 or 12 is not necessarily programmable).
- the drive circuit 7 is calibrated once, so that then in the actual operation of the circuit breaker 1, a measurement and a closed loop for the utilization of the measurement result of the circuit breaker parameter are not required.
- the measurement and calibration can be carried out again at any time, for example at fixed intervals or when a new functionality is imposed.
- the calibration can be done as shown by internal storage 19 of calibration data that affect the timing of the control. But it is also conceivable an external calibration via a trim input, etc. (not shown).
- the switching behavior is thus detected via a measuring device 18.
- the values of the calibration memory 19 (programming access 17) and / or the dynamic behavior ("control pattern") of the logic circuit 13 can then be set via a programming input 30 of the integrated circuit 7.
- FIG. 4 shows how the technique according to the invention can be applied to a PFC (Power Factor Correction) circuit.
- the voltage across the power switch 1 is monitored, for example, in order to achieve a reduction by high-frequency interference by targeted activation of the switch.
- the input voltage 28 of a PFC circuit 20 is screened by a smoothing capacitor 21 and fed to an inductor 22, ie a coil.
- the inductance 22 is selectively charged or discharged by means of the circuit breaker 1.
- the PFC circuit 20 also has a diode 23 connected in series with the inductance 22.
- the inductance 22 When the power switch 1 is turned on, the inductance 22 is shorted to ground and the diode 23 is turned off. The inductor 22 then charges so that energy is stored in the inductor 22.
- the diode 23 is conductive.
- the inductor 22 then discharges via the diode 23 into the output capacitor 24. The energy is thereby transmitted to the output capacitor 24.
- the voltage divider 4, 5 serves to determine the actual behavior of the current and / or the voltage through or on the power switch 1. By means of a further voltage divider 25, 26, the output voltage 29 can be measured 27.
- ASIC 7 driver circuit for driving the circuit breaker 1 is not shown in the figures.
- the closed control loop or the calibration tolerances of the circuit breaker 1 can be compensated, so that always essentially the desired target behavior can be achieved.
- the same ASIC can be used for different power levels of gas discharge lamps, need the different sized switches. Overall, therefore, results in a controlled switching behavior.
- a "universal driver circuit” can be provided, which is specified depending on the previously performed measurement of the corresponding parameter of the circuit breaker on the specially used circuit breaker.
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Keying Circuit Devices (AREA)
- Dc-Dc Converters (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- Ignition Installations For Internal Combustion Engines (AREA)
- Heat Treatment Of Steel (AREA)
- Electronic Switches (AREA)
- Control Of Eletrric Generators (AREA)
- Mechanical Treatment Of Semiconductor (AREA)
Abstract
Description
Claims
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP05768655A EP1771934B1 (de) | 2004-07-30 | 2005-07-25 | Ansteuerung von leistungsschaltern |
EP10173357.4A EP2256927B1 (de) | 2004-07-30 | 2005-07-25 | Kalibrierung und Ansteuerung von Leistungsschaltern in einem Betriebsgerät für Leuchtelemente |
AT05768655T ATE489764T1 (de) | 2004-07-30 | 2005-07-25 | Ansteuerung von leistungsschaltern |
EP18180446.9A EP3399632B1 (de) | 2004-07-30 | 2005-07-25 | Ansteuerung von halbleiter-leistungsschaltern |
DE502005010585T DE502005010585D1 (de) | 2004-07-30 | 2005-07-25 | Ansteuerung von leistungsschaltern |
AU2005268968A AU2005268968B2 (en) | 2004-07-30 | 2005-07-25 | Control of power breakers |
CN2005800259142A CN101002388B (zh) | 2004-07-30 | 2005-07-25 | 电源开关的控制 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004036958A DE102004036958A1 (de) | 2004-07-30 | 2004-07-30 | Ansteuerung von Leistungsschaltern |
DE102004036958.5 | 2004-07-30 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2006013035A2 true WO2006013035A2 (de) | 2006-02-09 |
WO2006013035A3 WO2006013035A3 (de) | 2006-06-15 |
Family
ID=35695522
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2005/008077 WO2006013035A2 (de) | 2004-07-30 | 2005-07-25 | Ansteuerung von leistungsschaltern |
Country Status (7)
Country | Link |
---|---|
EP (3) | EP1771934B1 (de) |
CN (1) | CN101002388B (de) |
AT (1) | ATE489764T1 (de) |
AU (1) | AU2005268968B2 (de) |
DE (2) | DE102004036958A1 (de) |
WO (1) | WO2006013035A2 (de) |
ZA (1) | ZA200700812B (de) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011071637A1 (en) * | 2009-12-10 | 2011-06-16 | General Electric Company | Electronic driver dimming control using ramped pulsed modulation for large area solid-state oleds |
WO2012082235A1 (en) * | 2010-12-13 | 2012-06-21 | General Electric Company | Ramp controlled driver for series/parallel solid state lighting devices |
WO2018091145A1 (de) * | 2016-11-16 | 2018-05-24 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Ansteuerschaltung |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102006014062B4 (de) * | 2006-03-27 | 2018-05-17 | Tridonic Gmbh & Co Kg | Betriebsgerät für Leuchtmittel |
US9374081B2 (en) | 2013-01-18 | 2016-06-21 | Infineon Technologies Ag | Method for driving a load |
CN104124870B (zh) * | 2014-08-08 | 2017-09-05 | 华为技术有限公司 | 开关电源 |
FR3041193B1 (fr) * | 2015-09-11 | 2018-11-09 | Valeo Systemes De Controle Moteur | Dispositif electronique de controle d'un commutateur, notamment pour vehicule automobile |
Citations (11)
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US4504779A (en) * | 1983-03-11 | 1985-03-12 | Hewlett-Packard Company | Electrical load drive and control system |
US4567378A (en) * | 1984-06-13 | 1986-01-28 | International Business Machines Corporation | Driver circuit for controlling signal rise and fall in field effect transistor processors |
DE19841757C1 (de) * | 1998-09-11 | 2000-03-02 | Siemens Ag | Schaltungsanordnung zur Anpassung des Ausgangssignals eines Ausgangstreibers an die gegebenen Verhältnisse |
US6194884B1 (en) * | 1999-11-23 | 2001-02-27 | Delphi Technologies, Inc. | Circuitry for maintaining a substantially constant sense current to load current ratio through an electrical load driving device |
US20010048294A1 (en) * | 1998-01-20 | 2001-12-06 | John Barber | Switching power supply with AC waveform capability |
DE10120789A1 (de) * | 2001-04-27 | 2002-11-21 | Infineon Technologies Ag | Verfahren und Schaltungsanordnung zur Reaktivierung eines Schaltkreises aus dem Standby-Zustand |
DE10137752C1 (de) * | 2001-08-01 | 2002-12-12 | Siemens Ag | Vorrichtung zur Ansteuerung eines Schaltelements und zugehöriges Betriebsverfahren |
DE10163032A1 (de) * | 2001-12-20 | 2003-07-03 | Tridonicatco Gmbh & Co Kg | Elektronisches Vorschaltgerät für eine Gasentladungslampe |
US20030218388A1 (en) * | 2001-12-29 | 2003-11-27 | Horst Lohmueller | Device for triggering an electric power component |
US20040090804A1 (en) * | 2002-11-12 | 2004-05-13 | Laszlo Lipcsei | Controller for DC to DC converter |
US20040140833A1 (en) * | 2003-01-10 | 2004-07-22 | Kim Chan-Kyung | Output driver circuit with automatic slew rate control and slew rate control method using the same |
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US4677366A (en) * | 1986-05-12 | 1987-06-30 | Pioneer Research, Inc. | Unity power factor power supply |
DE4228683A1 (de) * | 1992-08-28 | 1994-03-03 | Tridonic Bauelemente Gmbh Dorn | Selbstschwingender Wechselrichter |
US5515261A (en) * | 1994-12-21 | 1996-05-07 | Lumion Corporation | Power factor correction circuitry |
CA2168941A1 (en) * | 1996-02-06 | 1997-08-07 | Barna Szabados | Dimmer for fluorescent lighting |
JP4158285B2 (ja) * | 1998-08-28 | 2008-10-01 | 株式会社デンソー | 電気負荷の駆動装置 |
US6459324B1 (en) * | 2000-10-23 | 2002-10-01 | International Rectifier Corporation | Gate drive circuit with feedback-controlled active resistance |
TW486866B (en) * | 2001-01-12 | 2002-05-11 | Faraday Tech Corp | Output buffer circuit with high speed, no noise and easily matched impedance |
-
2004
- 2004-07-30 DE DE102004036958A patent/DE102004036958A1/de not_active Withdrawn
-
2005
- 2005-07-25 AT AT05768655T patent/ATE489764T1/de active
- 2005-07-25 EP EP05768655A patent/EP1771934B1/de not_active Not-in-force
- 2005-07-25 CN CN2005800259142A patent/CN101002388B/zh not_active Expired - Fee Related
- 2005-07-25 WO PCT/EP2005/008077 patent/WO2006013035A2/de active Application Filing
- 2005-07-25 EP EP18180446.9A patent/EP3399632B1/de active Active
- 2005-07-25 ZA ZA200700812A patent/ZA200700812B/xx unknown
- 2005-07-25 AU AU2005268968A patent/AU2005268968B2/en not_active Ceased
- 2005-07-25 DE DE502005010585T patent/DE502005010585D1/de active Active
- 2005-07-25 EP EP10173357.4A patent/EP2256927B1/de active Active
Patent Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
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US4504779A (en) * | 1983-03-11 | 1985-03-12 | Hewlett-Packard Company | Electrical load drive and control system |
US4567378A (en) * | 1984-06-13 | 1986-01-28 | International Business Machines Corporation | Driver circuit for controlling signal rise and fall in field effect transistor processors |
US20010048294A1 (en) * | 1998-01-20 | 2001-12-06 | John Barber | Switching power supply with AC waveform capability |
DE19841757C1 (de) * | 1998-09-11 | 2000-03-02 | Siemens Ag | Schaltungsanordnung zur Anpassung des Ausgangssignals eines Ausgangstreibers an die gegebenen Verhältnisse |
US6194884B1 (en) * | 1999-11-23 | 2001-02-27 | Delphi Technologies, Inc. | Circuitry for maintaining a substantially constant sense current to load current ratio through an electrical load driving device |
DE10120789A1 (de) * | 2001-04-27 | 2002-11-21 | Infineon Technologies Ag | Verfahren und Schaltungsanordnung zur Reaktivierung eines Schaltkreises aus dem Standby-Zustand |
DE10137752C1 (de) * | 2001-08-01 | 2002-12-12 | Siemens Ag | Vorrichtung zur Ansteuerung eines Schaltelements und zugehöriges Betriebsverfahren |
DE10163032A1 (de) * | 2001-12-20 | 2003-07-03 | Tridonicatco Gmbh & Co Kg | Elektronisches Vorschaltgerät für eine Gasentladungslampe |
US20030218388A1 (en) * | 2001-12-29 | 2003-11-27 | Horst Lohmueller | Device for triggering an electric power component |
US20040090804A1 (en) * | 2002-11-12 | 2004-05-13 | Laszlo Lipcsei | Controller for DC to DC converter |
US20040140833A1 (en) * | 2003-01-10 | 2004-07-22 | Kim Chan-Kyung | Output driver circuit with automatic slew rate control and slew rate control method using the same |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011071637A1 (en) * | 2009-12-10 | 2011-06-16 | General Electric Company | Electronic driver dimming control using ramped pulsed modulation for large area solid-state oleds |
US8334659B2 (en) | 2009-12-10 | 2012-12-18 | General Electric Company | Electronic driver dimming control using ramped pulsed modulation for large area solid-state OLEDs |
WO2012082235A1 (en) * | 2010-12-13 | 2012-06-21 | General Electric Company | Ramp controlled driver for series/parallel solid state lighting devices |
KR20130141589A (ko) * | 2010-12-13 | 2013-12-26 | 제너럴 일렉트릭 캄파니 | 직렬/병렬 솔리드 스테이트 조명 디바이스를 위한 램프 제어형 드라이버 |
US8779689B2 (en) | 2010-12-13 | 2014-07-15 | General Electric Company | Ramp controlled driver for series/parallel solid state lighting devices |
KR101944471B1 (ko) | 2010-12-13 | 2019-01-31 | 제너럴 일렉트릭 캄파니 | 직렬/병렬 솔리드 스테이트 조명 디바이스를 위한 경사 제어형 드라이버 |
WO2018091145A1 (de) * | 2016-11-16 | 2018-05-24 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Ansteuerschaltung |
Also Published As
Publication number | Publication date |
---|---|
CN101002388B (zh) | 2012-03-28 |
DE102004036958A1 (de) | 2006-03-23 |
EP3399632B1 (de) | 2022-05-04 |
ZA200700812B (en) | 2008-09-25 |
EP2256927B1 (de) | 2018-09-05 |
EP1771934A2 (de) | 2007-04-11 |
WO2006013035A3 (de) | 2006-06-15 |
AU2005268968B2 (en) | 2010-09-09 |
CN101002388A (zh) | 2007-07-18 |
EP3399632A1 (de) | 2018-11-07 |
ATE489764T1 (de) | 2010-12-15 |
AU2005268968A1 (en) | 2006-02-09 |
EP1771934B1 (de) | 2010-11-24 |
EP2256927A1 (de) | 2010-12-01 |
DE502005010585D1 (de) | 2011-01-05 |
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