SE9700013D0 - Driver circuit and method of operating the same - Google Patents

Driver circuit and method of operating the same

Info

Publication number
SE9700013D0
SE9700013D0 SE9700013A SE9700013A SE9700013D0 SE 9700013 D0 SE9700013 D0 SE 9700013D0 SE 9700013 A SE9700013 A SE 9700013A SE 9700013 A SE9700013 A SE 9700013A SE 9700013 D0 SE9700013 D0 SE 9700013D0
Authority
SE
Sweden
Prior art keywords
inductor
driver circuit
operating
functional devices
same
Prior art date
Application number
SE9700013A
Other languages
English (en)
Other versions
SE9700013L (sv
SE519550C2 (sv
Inventor
Haakan Andersson
Johan Uggmark
Original Assignee
Ericsson Telefon Ab L M
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=20405354&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=SE9700013(D0) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Priority to SE9700013A priority Critical patent/SE519550C2/sv
Publication of SE9700013D0 publication Critical patent/SE9700013D0/sv
Priority to EEP199900268A priority patent/EE9900268A/xx
Priority to PCT/SE1997/002119 priority patent/WO1998030070A1/en
Priority to BR9714247-6A priority patent/BR9714247A/pt
Priority to JP52991098A priority patent/JP3932057B2/ja
Priority to KR10-1999-7006067A priority patent/KR100462436B1/ko
Priority to TR1999/01532T priority patent/TR199901532T2/xx
Priority to EP97952142A priority patent/EP0950342B1/en
Priority to AU55805/98A priority patent/AU730938B2/en
Priority to DE69713391T priority patent/DE69713391T2/de
Priority to CNB971812144A priority patent/CN1227952C/zh
Priority to MYPI97006205A priority patent/MY129599A/en
Priority to CO97075533A priority patent/CO4771134A1/es
Priority to US09/002,371 priority patent/US6198405B1/en
Priority to ARP980100014A priority patent/AR011352A1/es
Publication of SE9700013L publication Critical patent/SE9700013L/sv
Priority to HK00104132A priority patent/HK1024820A1/xx
Publication of SE519550C2 publication Critical patent/SE519550C2/sv

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]
    • H05B45/30—Driver circuits
    • H05B45/37—Converter circuits
    • H05B45/3725—Switched mode power supply [SMPS]
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • 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]
    • H05B45/30—Driver circuits
    • H05B45/37—Converter circuits
    • H05B45/3725—Switched mode power supply [SMPS]
    • H05B45/375—Switched mode power supply [SMPS] using buck topology
    • 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]
    • H05B45/30—Driver circuits
    • H05B45/37—Converter circuits
    • H05B45/3725—Switched mode power supply [SMPS]
    • H05B45/38—Switched mode power supply [SMPS] using boost topology

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Control Of El Displays (AREA)
  • Dc-Dc Converters (AREA)
  • Led Devices (AREA)
  • Electronic Switches (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
  • Magnetic Treatment Devices (AREA)
  • Electroluminescent Light Sources (AREA)
  • Ac-Ac Conversion (AREA)
SE9700013A 1997-01-03 1997-01-03 Drivkrets samt förfarande för att driva en sådan drivkrets SE519550C2 (sv)

Priority Applications (16)

Application Number Priority Date Filing Date Title
SE9700013A SE519550C2 (sv) 1997-01-03 1997-01-03 Drivkrets samt förfarande för att driva en sådan drivkrets
DE69713391T DE69713391T2 (de) 1997-01-03 1997-12-16 Treiberschaltung und betriebsverfahren
PCT/SE1997/002119 WO1998030070A1 (en) 1997-01-03 1997-12-16 Driver circuit and method of operating the same
EP97952142A EP0950342B1 (en) 1997-01-03 1997-12-16 Driver circuit and method of operating the same
CNB971812144A CN1227952C (zh) 1997-01-03 1997-12-16 驱动电路及其操作方法
BR9714247-6A BR9714247A (pt) 1997-01-03 1997-12-16 Circuito acionador, e, processo para operar o mesmo.
JP52991098A JP3932057B2 (ja) 1997-01-03 1997-12-16 ドライバー回路およびドライバー動作方法
KR10-1999-7006067A KR100462436B1 (ko) 1997-01-03 1997-12-16 구동 회로 및 이의 작동 방법
TR1999/01532T TR199901532T2 (xx) 1997-01-03 1997-12-16 Tahrik akımı devresi ve bunun işleyiş yöntemi.
EEP199900268A EE9900268A (et) 1997-01-03 1997-12-16 Draiverilülitus ja selle juhtimise meetod
AU55805/98A AU730938B2 (en) 1997-01-03 1997-12-16 Driver circuit and method of operating the same
MYPI97006205A MY129599A (en) 1997-01-03 1997-12-20 Driver circuit and method of operating the same
CO97075533A CO4771134A1 (es) 1997-01-03 1997-12-30 Circuito piloto y metodo de operacion del mismo
US09/002,371 US6198405B1 (en) 1997-01-03 1998-01-02 Driver circuit and method of operating the same
ARP980100014A AR011352A1 (es) 1997-01-03 1998-01-02 Circuito de excitacion y metodo para operarlo
HK00104132A HK1024820A1 (en) 1997-01-03 2000-07-05 Driver circuit and method of operating the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9700013A SE519550C2 (sv) 1997-01-03 1997-01-03 Drivkrets samt förfarande för att driva en sådan drivkrets

Publications (3)

Publication Number Publication Date
SE9700013D0 true SE9700013D0 (sv) 1997-01-03
SE9700013L SE9700013L (sv) 1998-07-04
SE519550C2 SE519550C2 (sv) 2003-03-11

Family

ID=20405354

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9700013A SE519550C2 (sv) 1997-01-03 1997-01-03 Drivkrets samt förfarande för att driva en sådan drivkrets

Country Status (16)

Country Link
US (1) US6198405B1 (sv)
EP (1) EP0950342B1 (sv)
JP (1) JP3932057B2 (sv)
KR (1) KR100462436B1 (sv)
CN (1) CN1227952C (sv)
AR (1) AR011352A1 (sv)
AU (1) AU730938B2 (sv)
BR (1) BR9714247A (sv)
CO (1) CO4771134A1 (sv)
DE (1) DE69713391T2 (sv)
EE (1) EE9900268A (sv)
HK (1) HK1024820A1 (sv)
MY (1) MY129599A (sv)
SE (1) SE519550C2 (sv)
TR (1) TR199901532T2 (sv)
WO (1) WO1998030070A1 (sv)

Families Citing this family (38)

* Cited by examiner, † Cited by third party
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EP1078304B1 (en) * 1998-05-20 2003-07-16 The Foxboro Company Self-validating output module
FI106770B (sv) * 1999-01-22 2001-03-30 Nokia Mobile Phones Ltd Belysande elektronisk anordning och ett belysningsförfarande
US6538626B1 (en) * 2000-07-27 2003-03-25 Hewlett-Packard Company Method and apparatus for illuminating two independent indicators with a single output pin
US6456204B1 (en) * 2000-09-29 2002-09-24 Motorola, Inc. Data transfer indicator circuit
US6580222B2 (en) 2001-02-20 2003-06-17 Durel Corporation Inverter for driving EL lamp and light emitting diodes
JP3664096B2 (ja) * 2001-04-25 2005-06-22 住友電装株式会社 ブザー駆動装置
CN1568639B (zh) * 2001-10-12 2012-05-23 皇家飞利浦电子股份有限公司 驱动气体放电灯的方法和设备
US7178971B2 (en) * 2001-12-14 2007-02-20 The University Of Hong Kong High efficiency driver for color light emitting diodes (LED)
EP1339262A1 (en) * 2002-02-26 2003-08-27 Telefonaktiebolaget Lm Ericsson A driver for at least three electrical loads, especially for electroluminescent light sources
AU2003226972A1 (en) * 2002-02-26 2003-09-09 Telefonaktiebolaget Lm Ericsson (Publ) A driver for at least three electrical loads, especially for electroluminescent ligth sources
US6798152B2 (en) * 2002-08-21 2004-09-28 Freescale Semiconductor, Inc. Closed loop current control circuit and method thereof
CN100454731C (zh) * 2003-03-15 2009-01-21 鸿富锦精密工业（深圳）有限公司 电流驱动装置
JP4959324B2 (ja) * 2003-05-07 2012-06-20 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 複数の発光ダイオードのための単一ドライバ
DE602004030800D1 (de) * 2003-07-16 2011-02-10 Dsp Group Switzerland Ag Verfahren und vorrichtung zur energieversorgung von leuchtdioden
DE102004003698B4 (de) * 2004-01-24 2005-11-24 Preh Gmbh Schaltungsanordnung zur Ansteuerung von Leuchtmitteln
US7509057B2 (en) * 2004-02-25 2009-03-24 Zilog, Inc. IrDA transceiver module that also functions as remote control IR transmitter
US7120479B2 (en) * 2004-02-25 2006-10-10 Nellcor Puritan Bennett Inc. Switch-mode oximeter LED drive with a single inductor
US7356151B2 (en) * 2004-03-30 2008-04-08 Akg Acoustic Gmbh Microphone system
US20060139152A1 (en) * 2004-12-09 2006-06-29 Honeywell International, Inc. Multi-frequency fire alarm sounder
DE602005011053D1 (de) * 2005-01-06 2008-12-24 Infra Com Ltd Kommunikationsdioden-treiberschaltung
US7221044B2 (en) * 2005-01-21 2007-05-22 Ac Led Lighting, L.L.C. Heterogeneous integrated high voltage DC/AC light emitter
JP2006324534A (ja) * 2005-05-20 2006-11-30 Seiko Instruments Inc 発光ダイオード駆動回路
JP4692094B2 (ja) * 2005-06-20 2011-06-01 富士電機ホールディングス株式会社 線量計
DE102006030655A1 (de) * 2006-04-21 2007-10-25 Tridonicatco Gmbh & Co. Kg Notlichtgerät zum Betreiben einer Lichtquelle, insbesondere einer LED
FR2906396A1 (fr) * 2006-09-26 2008-03-28 Thomson Licensing Sas Ensemble d'elements a diode electroluminescente pour dispositif de retro-eclairage, dispositif de retro-eclairage et ecran a retro-eclairage.
US7714348B2 (en) * 2006-10-06 2010-05-11 Ac-Led Lighting, L.L.C. AC/DC light emitting diodes with integrated protection mechanism
JP2010528456A (ja) * 2007-05-11 2010-08-19 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ Ｌｅｄのためのドライバ装置
JP5172500B2 (ja) * 2007-07-27 2013-03-27 ローム株式会社 駆動装置
EP2068599B1 (en) * 2007-12-03 2011-04-27 Sirio Panel S.P.A. Circuit arrangement for generating a pulse width modulated signal for driving electrical loads
KR101650700B1 (ko) * 2008-06-25 2016-08-24 코닌클리케 필립스 엔.브이. 유기 발광 다이오드 구동기 장치
DE102010001048A1 (de) * 2009-12-18 2011-06-22 Tridonic Gmbh & Co Kg Verfahren zum Betreiben eines elektrischen Leuchtmittels sowie Betriebsschaltung
JP2011253957A (ja) * 2010-06-02 2011-12-15 Panasonic Electric Works Co Ltd 発光装置
DE102010038787A1 (de) * 2010-08-02 2012-02-02 Osram Ag Schaltungsanordnung und Verfahren zum Betreiben mindestens einer ersten und mindestens einer zweiten Led
GB2492833A (en) * 2011-07-14 2013-01-16 Softkinetic Sensors Nv LED boost converter driver circuit for Time Of Flight light sources
US9924568B2 (en) 2016-02-01 2018-03-20 Microsoft Technology Licensing, Llc Diode light source driver
JP6654535B2 (ja) * 2016-09-21 2020-02-26 日立オートモティブシステムズ株式会社 負荷駆動装置
CN107864535A (zh) * 2017-12-13 2018-03-30 刘向宁 发光二极管调流驱动电路
CN110086337A (zh) * 2019-04-30 2019-08-02 深圳市华星光电半导体显示技术有限公司 电压转换电路

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Publication number Priority date Publication date Assignee Title
US3755697A (en) 1971-11-26 1973-08-28 Hewlett Packard Co Light-emitting diode driver
US3810149A (en) * 1972-07-03 1974-05-07 Nartron Corp Audio-visual signal device
DE2364301A1 (de) 1973-12-22 1975-06-26 Itt Ind Gmbh Deutsche Mit einer spule geschaltete leuchtdiode
US4274084A (en) * 1979-10-26 1981-06-16 Wheelock Signals, Inc. Audio-visual signal circuits
GB2172120A (en) * 1985-03-09 1986-09-10 English Electric Valve Co Ltd Graticule illuminator circuit for night-sight
US4673865A (en) * 1986-04-04 1987-06-16 Motorola, Inc. Charge coupled LED driver circuit
US4805739A (en) * 1988-01-14 1989-02-21 U.S. Elevator Corporation Elevator control switch and position indicator assembly
JP2618685B2 (ja) * 1988-05-19 1997-06-11 ティーディーケイ株式会社 圧電振動子駆動回路
US5005007A (en) * 1990-05-10 1991-04-02 Yu Li Enterprise Co. Ltd. Alarm device for marine tank
US5313141A (en) 1993-04-22 1994-05-17 Durel Corporation Three terminal inverter for electroluminescent lamps

Also Published As

Publication number Publication date
TR199901532T2 (xx) 1999-09-21
KR100462436B1 (ko) 2004-12-17
SE9700013L (sv) 1998-07-04
WO1998030070A1 (en) 1998-07-09
US6198405B1 (en) 2001-03-06
AU730938B2 (en) 2001-03-22
DE69713391T2 (de) 2003-02-06
MY129599A (en) 2007-04-30
EP0950342A1 (en) 1999-10-20
SE519550C2 (sv) 2003-03-11
KR20000069874A (ko) 2000-11-25
CN1242925A (zh) 2000-01-26
EP0950342B1 (en) 2002-06-12
EE9900268A (et) 2000-02-15
AU5580598A (en) 1998-07-31
JP2001508612A (ja) 2001-06-26
DE69713391D1 (de) 2002-07-18
CO4771134A1 (es) 1999-04-30
JP3932057B2 (ja) 2007-06-20
BR9714247A (pt) 2000-04-18
HK1024820A1 (en) 2000-10-20
AR011352A1 (es) 2000-08-16
CN1227952C (zh) 2005-11-16

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