DE69920871D1 - Leistungsfaktorregler - Google Patents

Leistungsfaktorregler

Info

Publication number
DE69920871D1
DE69920871D1 DE69920871T DE69920871T DE69920871D1 DE 69920871 D1 DE69920871 D1 DE 69920871D1 DE 69920871 T DE69920871 T DE 69920871T DE 69920871 T DE69920871 T DE 69920871T DE 69920871 D1 DE69920871 D1 DE 69920871D1
Authority
DE
Germany
Prior art keywords
power factor
factor controller
controller
power
factor
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.)
Expired - Fee Related
Application number
DE69920871T
Other languages
English (en)
Other versions
DE69920871T2 (de
Inventor
Shenghong Wang
Ihor Wacyk
J Giannopoulos
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.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips Electronics NV
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.)
Filing date
Publication date
Application filed by Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Publication of DE69920871D1 publication Critical patent/DE69920871D1/de
Application granted granted Critical
Publication of DE69920871T2 publication Critical patent/DE69920871T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02MAPPARATUS 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
    • H02M1/00Details of apparatus for conversion
    • H02M1/42Circuits or arrangements for compensating for or adjusting power factor in converters or inverters
    • H02M1/4208Arrangements for improving power factor of AC input
    • H02M1/4225Arrangements for improving power factor of AC input using a non-isolated boost converter
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B41/00Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/14Circuit arrangements
    • H05B41/26Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc
    • H05B41/28Circuit 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
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B70/00Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/10Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P80/00Climate change mitigation technologies for sector-wide applications
    • Y02P80/10Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Rectifiers (AREA)
  • Dc-Dc Converters (AREA)
DE69920871T 1998-07-29 1999-07-14 Leistungsfaktorregler Expired - Fee Related DE69920871T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/124,452 US6140777A (en) 1998-07-29 1998-07-29 Preconditioner having a digital power factor controller
US124452 1998-07-29
PCT/EP1999/005036 WO2000007414A1 (en) 1998-07-29 1999-07-14 Preconditioner

Publications (2)

Publication Number Publication Date
DE69920871D1 true DE69920871D1 (de) 2004-11-11
DE69920871T2 DE69920871T2 (de) 2005-05-25

Family

ID=22414967

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69920871T Expired - Fee Related DE69920871T2 (de) 1998-07-29 1999-07-14 Leistungsfaktorregler

Country Status (6)

Country Link
US (2) US6140777A (de)
EP (1) EP1040730B1 (de)
JP (1) JP2002522003A (de)
CN (1) CN1161006C (de)
DE (1) DE69920871T2 (de)
WO (1) WO2000007414A1 (de)

Families Citing this family (94)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2812982B1 (fr) * 2000-08-11 2002-10-18 Valeo Equip Electr Moteur Alternateur pourvu de moyens perfectionnes d'interface entre un dispositif de controle moteur et son circuit regulateur, et interface correspondante
DE10042587B4 (de) * 2000-08-30 2007-04-12 Infineon Technologies Ag Filteranordnung und Verfahren zur Filterung eines Analogsignals
ITCZ20000008A1 (it) * 2000-11-17 2002-05-17 Edp Srl Sistema per correggere in modo attivo e ad alta dinamica, il fattore di potenza e le armoniche presenti su un elettrodotto
US7285919B2 (en) * 2001-06-22 2007-10-23 Lutron Electronics Co., Inc. Electronic ballast having improved power factor and total harmonic distortion
TW530522B (en) * 2001-08-17 2003-05-01 Benq Corp Power factor correction device having an electronic ballast function
US7595686B2 (en) * 2001-11-09 2009-09-29 The Regents Of The University Of Colorado Digital controller for high-frequency switching power supplies
AU2002365328A1 (en) * 2001-11-29 2003-06-10 Koninklijke Philips Electronics N.V. Device and method for operating a discharge lamp
CA2469428C (en) * 2001-12-07 2012-01-31 The Regents Of The University Of Colorado, A Body Corporate Voltage controller for switching power supplies
US6611113B2 (en) * 2002-01-03 2003-08-26 Jui Piao Yang Cool cathode tube control circuit
JP4098533B2 (ja) 2002-02-28 2008-06-11 Tdk株式会社 スイッチング電源装置用制御回路及びこれを用いたスイッチング電源装置
JP3983695B2 (ja) * 2003-03-10 2007-09-26 三菱電機株式会社 コンバータ装置
US7433211B1 (en) 2003-06-30 2008-10-07 Iwatt Inc. System and method for input current shaping in a power converter
KR101144449B1 (ko) * 2003-09-22 2012-05-10 엠케이에스 인스트루먼츠, 인코포레이티드 무선 주파수 플라즈마 프로세싱 내에서 불안정성을 방지하기 위한 장치 및 방법
US6982528B2 (en) * 2003-11-12 2006-01-03 Lutron Electronics Co., Inc. Thermal protection for lamp ballasts
US7675250B2 (en) * 2003-11-12 2010-03-09 Lutron Electronics Co., Inc. Thermal protection for lamp ballasts
US20050270814A1 (en) * 2004-06-02 2005-12-08 In-Hwan Oh Modified sinusoidal pulse width modulation for full digital power factor correction
US7078940B2 (en) * 2004-06-02 2006-07-18 Lucent Technologies Inc. Current comb generator
US7317625B2 (en) * 2004-06-04 2008-01-08 Iwatt Inc. Parallel current mode control using a direct duty cycle algorithm with low computational requirements to perform power factor correction
DE102004036522A1 (de) * 2004-07-28 2006-03-23 Infineon Technologies Ag Ansteuerschaltung für einen Schalter in einem Schaltwandler zur Verbesserung der Sprungantwort
US20090289570A1 (en) * 2004-12-14 2009-11-26 Koninklijke Philips Electronics, N.V. Method for supplying a gas discharge lamp, and a ballast circuit for such lamp
US7323851B2 (en) * 2005-09-22 2008-01-29 Artesyn Technologies, Inc. Digital power factor correction controller and AC-to-DC power supply including same
EP1956701B1 (de) * 2007-02-08 2012-03-28 Infineon Technologies Austria AG DC/DC-Schaltwandler mit einem ein Bandpassfilter und ein Bandsperrfilter aufweisenden Spannungsregelkreis
US8018171B1 (en) 2007-03-12 2011-09-13 Cirrus Logic, Inc. Multi-function duty cycle modifier
US8076920B1 (en) 2007-03-12 2011-12-13 Cirrus Logic, Inc. Switching power converter and control system
US7667408B2 (en) * 2007-03-12 2010-02-23 Cirrus Logic, Inc. Lighting system with lighting dimmer output mapping
US7852017B1 (en) 2007-03-12 2010-12-14 Cirrus Logic, Inc. Ballast for light emitting diode light sources
US7554473B2 (en) 2007-05-02 2009-06-30 Cirrus Logic, Inc. Control system using a nonlinear delta-sigma modulator with nonlinear process modeling
US7977994B2 (en) * 2007-06-15 2011-07-12 The Regents Of The University Of Colorado, A Body Corporate Digital pulse-width-modulator with discretely adjustable delay line
US8102127B2 (en) 2007-06-24 2012-01-24 Cirrus Logic, Inc. Hybrid gas discharge lamp-LED lighting system
US7804697B2 (en) 2007-12-11 2010-09-28 Cirrus Logic, Inc. History-independent noise-immune modulated transformer-coupled gate control signaling method and apparatus
US8576589B2 (en) 2008-01-30 2013-11-05 Cirrus Logic, Inc. Switch state controller with a sense current generated operating voltage
US8022683B2 (en) 2008-01-30 2011-09-20 Cirrus Logic, Inc. Powering a power supply integrated circuit with sense current
US8008898B2 (en) 2008-01-30 2011-08-30 Cirrus Logic, Inc. Switching regulator with boosted auxiliary winding supply
US8008902B2 (en) 2008-06-25 2011-08-30 Cirrus Logic, Inc. Hysteretic buck converter having dynamic thresholds
US9162310B2 (en) * 2008-07-08 2015-10-20 Illinois Tool Works Inc. Enhanced power factor correction for welding and cutting power supplies
US8279628B2 (en) 2008-07-25 2012-10-02 Cirrus Logic, Inc. Audible noise suppression in a resonant switching power converter
US8212491B2 (en) 2008-07-25 2012-07-03 Cirrus Logic, Inc. Switching power converter control with triac-based leading edge dimmer compatibility
US8344707B2 (en) 2008-07-25 2013-01-01 Cirrus Logic, Inc. Current sensing in a switching power converter
US8487546B2 (en) * 2008-08-29 2013-07-16 Cirrus Logic, Inc. LED lighting system with accurate current control
US8179110B2 (en) 2008-09-30 2012-05-15 Cirrus Logic Inc. Adjustable constant current source with continuous conduction mode (“CCM”) and discontinuous conduction mode (“DCM”) operation
US8222872B1 (en) 2008-09-30 2012-07-17 Cirrus Logic, Inc. Switching power converter with selectable mode auxiliary power supply
US8288954B2 (en) * 2008-12-07 2012-10-16 Cirrus Logic, Inc. Primary-side based control of secondary-side current for a transformer
US8299722B2 (en) 2008-12-12 2012-10-30 Cirrus Logic, Inc. Time division light output sensing and brightness adjustment for different spectra of light emitting diodes
US8362707B2 (en) * 2008-12-12 2013-01-29 Cirrus Logic, Inc. Light emitting diode based lighting system with time division ambient light feedback response
US7994863B2 (en) * 2008-12-31 2011-08-09 Cirrus Logic, Inc. Electronic system having common mode voltage range enhancement
US8248145B2 (en) 2009-06-30 2012-08-21 Cirrus Logic, Inc. Cascode configured switching using at least one low breakdown voltage internal, integrated circuit switch to control at least one high breakdown voltage external switch
US8198874B2 (en) 2009-06-30 2012-06-12 Cirrus Logic, Inc. Switching power converter with current sensing transformer auxiliary power supply
US8212493B2 (en) * 2009-06-30 2012-07-03 Cirrus Logic, Inc. Low energy transfer mode for auxiliary power supply operation in a cascaded switching power converter
US8963535B1 (en) 2009-06-30 2015-02-24 Cirrus Logic, Inc. Switch controlled current sensing using a hall effect sensor
EP2271185B1 (de) * 2009-07-02 2012-12-19 Luigi Desiderato Leistungsfaktorkorrekturverfahren und Schaltung für Entladungslampen, z.B. Natrium-Hochdruckentladungslampen
US9155174B2 (en) 2009-09-30 2015-10-06 Cirrus Logic, Inc. Phase control dimming compatible lighting systems
US9178415B1 (en) 2009-10-15 2015-11-03 Cirrus Logic, Inc. Inductor over-current protection using a volt-second value representing an input voltage to a switching power converter
US8487591B1 (en) 2009-12-31 2013-07-16 Cirrus Logic, Inc. Power control system with power drop out immunity and uncompromised startup time
US8654483B2 (en) 2009-11-09 2014-02-18 Cirrus Logic, Inc. Power system having voltage-based monitoring for over current protection
GB201012469D0 (en) * 2010-07-26 2010-09-08 Texas Instr Cork Ltd Line current waveshaping
US8912781B2 (en) 2010-07-30 2014-12-16 Cirrus Logic, Inc. Integrated circuit switching power supply controller with selectable buck mode operation
US8866452B1 (en) 2010-08-11 2014-10-21 Cirrus Logic, Inc. Variable minimum input voltage based switching in an electronic power control system
US9510401B1 (en) 2010-08-24 2016-11-29 Cirrus Logic, Inc. Reduced standby power in an electronic power control system
WO2012167127A1 (en) 2011-06-03 2012-12-06 Cirrus Logic, Inc. Control data determination from primary-side sensing of a secondary-side voltage in a switching power converter
US9351356B2 (en) 2011-06-03 2016-05-24 Koninklijke Philips N.V. Primary-side control of a switching power converter with feed forward delay compensation
US9059641B2 (en) * 2011-07-05 2015-06-16 Atmel Corporation Main supply zero crossing detection for PFC converter
DE102011109333B4 (de) * 2011-08-03 2013-04-11 Diehl Aerospace Gmbh Elektrische Versorgungvorrichtung mit Stromformsignal sowie Verfahren zum Betrieb der elektrischen Versorgungsvorrichtung
EP2792037A2 (de) 2011-12-14 2014-10-22 Cirrus Logic, Inc. Multimodale rücklaufsteuerung für einen schaltenergiewandler mit dimmvorrichtung
US9520794B2 (en) 2012-07-25 2016-12-13 Philips Lighting Holding B.V Acceleration of output energy provision for a load during start-up of a switching power converter
DE102012108011A1 (de) * 2012-08-30 2014-03-06 Infineon Technologies Austria Ag Schaltkreis zum Ansteuern eines Schalters in einem Schaltwandler
US9490695B1 (en) * 2012-09-06 2016-11-08 Marvell International Ltd. Method and apparatus for eliminating shimmering
CN105247956A (zh) 2013-03-07 2016-01-13 皇家飞利浦有限公司 使用开关功率变换器的次级侧传导时间参数向负载提供能量
US9735671B2 (en) 2013-05-17 2017-08-15 Cirrus Logic, Inc. Charge pump-based drive circuitry for bipolar junction transistor (BJT)-based power supply
WO2014186765A1 (en) 2013-05-17 2014-11-20 Cirrus Logic, Inc. Single pin control of bipolar junction transistor (bjt)-based power stage
DE102013106425B4 (de) 2013-06-19 2015-07-09 Exscitron Gmbh Schaltnetzteilvorrichtung und Verwendung einer solchen
JP2015019502A (ja) * 2013-07-10 2015-01-29 株式会社東芝 半導体集積回路
WO2015017315A1 (en) 2013-07-29 2015-02-05 Cirrus Logic, Inc. Compensating for a reverse recovery time period of a bipolar junction transistor (bjt) in switch-mode operation of a light-emitting diode (led)-based bulb
WO2015017317A2 (en) 2013-07-29 2015-02-05 Cirrus Logic, Inc. Two terminal drive of bipolar junction transistor (bjt) for switch-mode operation of a light emitting diode (led)-based bulb
CN104578783B (zh) * 2013-10-15 2017-08-25 台达电子企业管理(上海)有限公司 转换器和控制所述转换器的方法
US9214862B2 (en) 2014-04-17 2015-12-15 Philips International, B.V. Systems and methods for valley switching in a switching power converter
US9325236B1 (en) 2014-11-12 2016-04-26 Koninklijke Philips N.V. Controlling power factor in a switching power converter operating in discontinuous conduction mode
US9455636B2 (en) 2014-12-16 2016-09-27 Stmicroelectronics S.R.L. Control method and device employing primary side regulation in a quasi-resonant AC/DC flyback converter
US9504118B2 (en) 2015-02-17 2016-11-22 Cirrus Logic, Inc. Resistance measurement of a resistor in a bipolar junction transistor (BJT)-based power stage
US9609701B2 (en) 2015-02-27 2017-03-28 Cirrus Logic, Inc. Switch-mode drive sensing of reverse recovery in bipolar junction transistor (BJT)-based power converters
US9603206B2 (en) 2015-02-27 2017-03-21 Cirrus Logic, Inc. Detection and control mechanism for tail current in a bipolar junction transistor (BJT)-based power stage
US9520796B2 (en) 2015-03-06 2016-12-13 Stmicroelectronics S.R.L. Control method and device for quasi-resonant high-power-factor flyback converter
US9621029B2 (en) * 2015-03-18 2017-04-11 Stmicroelectronics S.R.L. Method and device for high-power-factor flyback converter
US9735670B2 (en) * 2015-12-15 2017-08-15 National Chung Shan Institute Of Science And Technology Power factor correction conversion device and control method thereof
ITUA20164780A1 (it) * 2016-06-30 2017-12-30 St Microelectronics Srl Dispositivo e metodo di controllo in tensione in modalita' quasi-risonante di un convertitore in commutazione
US9913329B2 (en) 2016-06-30 2018-03-06 Stmicroelectronics S.R.L. Control method and device employing primary side regulation in a quasi-resonant AC/DC flyback converter without analog divider and line-sensing
US10938307B2 (en) * 2017-09-06 2021-03-02 Apple Inc. Input power limited switching regulator
CN108601196A (zh) * 2018-04-29 2018-09-28 航天慧能(江苏)环境工程有限公司 基于物联网的新风***的矩阵等离子装置
CN108569742A (zh) * 2018-04-29 2018-09-25 航天慧能(江苏)环境工程有限公司 基于物联网的等离子废水处理***
CN108408826A (zh) * 2018-04-29 2018-08-17 航天慧能(江苏)环境工程有限公司 基于物联网的等离子废水处理***的交流电源
CN108548246B (zh) * 2018-04-29 2021-02-19 安徽航天环境工程有限公司 基于物联网的等离子新风***
CN108417007A (zh) * 2018-05-14 2018-08-17 北方工业大学 基于互联网的光触媒空气体处理装置
CN108483594A (zh) * 2018-06-08 2018-09-04 安徽航天环境工程有限公司 磁力净水装置
TWI678874B (zh) * 2018-09-19 2019-12-01 宏碁股份有限公司 可提升功率因素的電源供應電路
US11621645B2 (en) * 2020-06-04 2023-04-04 Stmicroelectronics International N.V. Methods and device to drive a transistor for synchronous rectification

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4277728A (en) * 1978-05-08 1981-07-07 Stevens Luminoptics Power supply for a high intensity discharge or fluorescent lamp
DE3738181A1 (de) * 1987-11-10 1989-05-18 Siemens Ag Vorrichtung zur regelung der gleichspannung eines netzgefuehrten stromrichters
DE3888675D1 (de) * 1988-04-20 1994-04-28 Zumtobel Ag Dornbirn Vorschaltgerät für eine Entladungslampe.
JP2624793B2 (ja) * 1988-08-12 1997-06-25 株式会社東芝 Pwm昇圧コンバータの制御装置
JPH0710174B2 (ja) * 1989-05-29 1995-02-01 三菱電機株式会社 Pwmコンバータ装置
US5051662A (en) * 1990-03-27 1991-09-24 Usi Lighting, Inc. Fluorescent lamp system
US5235504A (en) * 1991-03-15 1993-08-10 Emerson Electric Co. High power-factor converter for motor drives and power supplies
US5359274A (en) * 1992-08-20 1994-10-25 North American Philips Corporation Active offset for power factor controller
KR940023321A (ko) * 1993-03-25 1994-10-22 한민호 고역률 정전력형 전자식 안정기
US5619289A (en) * 1993-03-31 1997-04-08 Permeable Technologies, Inc. Multifocal contact lens
US5638265A (en) * 1993-08-24 1997-06-10 Gabor; George Low line harmonic AC to DC power supply
DE4335375B4 (de) * 1993-10-16 2009-04-16 Deutsche Thomson-Brandt Gmbh Netzgerät zur Speisung einer Gasentladungslampe
US5568041A (en) * 1995-02-09 1996-10-22 Magnetek, Inc. Low-cost power factor correction circuit and method for electronic ballasts
US5650694A (en) * 1995-03-31 1997-07-22 Philips Electronics North America Corporation Lamp controller with lamp status detection and safety circuitry
KR100208803B1 (ko) * 1995-11-10 1999-07-15 윤종용 전자 안정기 회로
US5631550A (en) * 1996-04-25 1997-05-20 Lockheed Martin Tactical Defense Systems Digital control for active power factor correction

Also Published As

Publication number Publication date
WO2000007414A1 (en) 2000-02-10
CN1161006C (zh) 2004-08-04
CN1274514A (zh) 2000-11-22
EP1040730A1 (de) 2000-10-04
DE69920871T2 (de) 2005-05-25
EP1040730B1 (de) 2004-10-06
JP2002522003A (ja) 2002-07-16
US6300723B1 (en) 2001-10-09
US6140777A (en) 2000-10-31

Similar Documents

Publication Publication Date Title
DE69920871D1 (de) Leistungsfaktorregler
DE69834353D1 (de) Leistungsteilungs-/-addierschaltung
NO20005823L (no) Kraftforsyningssystem
DE59913580D1 (de) Elektrowerkzeug
DE69912342D1 (de) Sonnenlichtwechselstromversorgung
DE69836954D1 (de) Schaltnetzteil
DE69925858D1 (de) Stromversorgung
DE59804195D1 (de) Stromschiene
DE69911671D1 (de) Schaltnetzteil
DE69727662D1 (de) Leistungssteuereinheit
DE59912947D1 (de) Schaltnetzteil
DE69941618D1 (de) Schaltnetzteil
DE69927361D1 (de) Motorregler
DE59901471D1 (de) Schaltnetzteil
EP1041722A4 (de) Leistungssteller
DE69830314D1 (de) Phasenregler
DE69708404D1 (de) Leistungssteuervorrichtung
DE69903026D1 (de) Leistungsfaktorkorrekturanordnung
DE69940902D1 (de) Schaltnetzteil
DE69817547D1 (de) Leistungssteuereinheit
DE69840779D1 (de) Stromsteuerungstechnik
NO20002733L (no) Krafttransformator
DE69933517D1 (de) Stromwandler
DE69836498D1 (de) Schaltnetzteil
DE69941748D1 (de) Schaltnetzteil

Legal Events

Date Code Title Description
8320 Willingness to grant licences declared (paragraph 23)
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee