JP4348241B2 - 負荷制御回路 - Google Patents

負荷制御回路 Download PDF

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Publication number
JP4348241B2
JP4348241B2 JP2004191774A JP2004191774A JP4348241B2 JP 4348241 B2 JP4348241 B2 JP 4348241B2 JP 2004191774 A JP2004191774 A JP 2004191774A JP 2004191774 A JP2004191774 A JP 2004191774A JP 4348241 B2 JP4348241 B2 JP 4348241B2
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JP
Japan
Prior art keywords
triangular wave
circuit
led
waveform shaping
potential
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
JP2004191774A
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English (en)
Japanese (ja)
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JP2005198238A5 (enExample
JP2005198238A (ja
Inventor
好晴 河原崎
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.)
Tokai Rika Co Ltd
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Tokai Rika Co Ltd
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 Tokai Rika Co Ltd filed Critical Tokai Rika Co Ltd
Priority to JP2004191774A priority Critical patent/JP4348241B2/ja
Priority to US11/006,190 priority patent/US7180247B2/en
Publication of JP2005198238A publication Critical patent/JP2005198238A/ja
Publication of JP2005198238A5 publication Critical patent/JP2005198238A5/ja
Application granted granted Critical
Publication of JP4348241B2 publication Critical patent/JP4348241B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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]
    • H05B45/10—Controlling the intensity of the light
    • H05B45/14—Controlling the intensity of the light using electrical feedback from LEDs or from LED modules
    • 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
    • H05B35/00—Electric light sources using a combination of different types of light generation
    • 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
    • H05B39/00—Circuit arrangements or apparatus for operating incandescent light sources
    • H05B39/04—Controlling
    • H05B39/041—Controlling the light-intensity of the source
    • H05B39/044—Controlling the light-intensity of the source continuously
    • H05B39/047—Controlling the light-intensity of the source continuously with pulse width modulation from a DC power source
    • 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

Landscapes

  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Electronic Switches (AREA)
  • Discharge-Lamp Control Circuits And Pulse- Feed Circuits (AREA)
  • Dc-Dc Converters (AREA)
  • Pulse Circuits (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)
JP2004191774A 2003-12-08 2004-06-29 負荷制御回路 Expired - Fee Related JP4348241B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2004191774A JP4348241B2 (ja) 2003-12-08 2004-06-29 負荷制御回路
US11/006,190 US7180247B2 (en) 2003-12-08 2004-12-07 Load control circuit

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2003409146 2003-12-08
JP2004191774A JP4348241B2 (ja) 2003-12-08 2004-06-29 負荷制御回路

Publications (3)

Publication Number Publication Date
JP2005198238A JP2005198238A (ja) 2005-07-21
JP2005198238A5 JP2005198238A5 (enExample) 2006-11-30
JP4348241B2 true JP4348241B2 (ja) 2009-10-21

Family

ID=34680612

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004191774A Expired - Fee Related JP4348241B2 (ja) 2003-12-08 2004-06-29 負荷制御回路

Country Status (2)

Country Link
US (1) US7180247B2 (enExample)
JP (1) JP4348241B2 (enExample)

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JP4141708B2 (ja) * 2002-03-11 2008-08-27 シャープ株式会社 液晶表示装置及びその駆動方法
CN101194539B (zh) * 2005-06-10 2012-09-26 Nxp股份有限公司 用于控制一个或多个全桥的输出的控制设备
JP4682763B2 (ja) * 2005-09-14 2011-05-11 富士電機システムズ株式会社 Ｄｃ／ｄｃコンバータ
DE102005055160B4 (de) * 2005-11-18 2011-12-29 Power Systems Technologies Gmbh Regelschaltung zur Strom- und Spannungregelung in einem Schaltnetzteil
DE102006044431A1 (de) * 2006-09-21 2008-04-03 Robert Bosch Gmbh Schaltungsanordnung zur Überwachung des Laststromes der Beleuchtungseinrichtung eines Kraftfahrzeuges
JP4769214B2 (ja) * 2007-03-22 2011-09-07 株式会社テーアンテー 車両用室内灯装置
US8339048B2 (en) * 2008-09-05 2012-12-25 Lutron Electronics Co., Inc. Hybrid light source
US8008866B2 (en) * 2008-09-05 2011-08-30 Lutron Electronics Co., Inc. Hybrid light source
US8228002B2 (en) 2008-09-05 2012-07-24 Lutron Electronics Co., Inc. Hybrid light source
WO2010057115A2 (en) 2008-11-17 2010-05-20 Express Imaging Systems, Llc Electronic control to regulate power for solid-state lighting and methods thereof
KR20120032472A (ko) 2009-05-01 2012-04-05 익스프레스 이미징 시스템즈, 엘엘씨 수동 냉각을 구비한 가스-방전 램프 교체
US8872964B2 (en) 2009-05-20 2014-10-28 Express Imaging Systems, Llc Long-range motion detection for illumination control
WO2010135582A2 (en) 2009-05-20 2010-11-25 Express Imaging Systems, Llc Apparatus and method of energy efficient illumination
JP5525345B2 (ja) * 2010-06-25 2014-06-18 パナソニック株式会社 電源装置、及びその電源装置を備える照明装置、並びに照明システム
US8901825B2 (en) 2011-04-12 2014-12-02 Express Imaging Systems, Llc Apparatus and method of energy efficient illumination using received signals
WO2013074900A1 (en) 2011-11-18 2013-05-23 Express Imaging Systems, Llc Adjustable output solid-state lamp with security features
US9360198B2 (en) 2011-12-06 2016-06-07 Express Imaging Systems, Llc Adjustable output solid-state lighting device
US9497393B2 (en) 2012-03-02 2016-11-15 Express Imaging Systems, Llc Systems and methods that employ object recognition
US9210751B2 (en) 2012-05-01 2015-12-08 Express Imaging Systems, Llc Solid state lighting, drive circuit and method of driving same
US9204523B2 (en) 2012-05-02 2015-12-01 Express Imaging Systems, Llc Remotely adjustable solid-state lamp
US9131552B2 (en) 2012-07-25 2015-09-08 Express Imaging Systems, Llc Apparatus and method of operating a luminaire
US8878440B2 (en) 2012-08-28 2014-11-04 Express Imaging Systems, Llc Luminaire with atmospheric electrical activity detection and visual alert capabilities
US8896215B2 (en) 2012-09-05 2014-11-25 Express Imaging Systems, Llc Apparatus and method for schedule based operation of a luminaire
US9301365B2 (en) 2012-11-07 2016-03-29 Express Imaging Systems, Llc Luminaire with switch-mode converter power monitoring
US9210759B2 (en) 2012-11-19 2015-12-08 Express Imaging Systems, Llc Luminaire with ambient sensing and autonomous control capabilities
US9288873B2 (en) 2013-02-13 2016-03-15 Express Imaging Systems, Llc Systems, methods, and apparatuses for using a high current switching device as a logic level sensor
US9466443B2 (en) 2013-07-24 2016-10-11 Express Imaging Systems, Llc Photocontrol for luminaire consumes very low power
DE102014111085A1 (de) * 2013-08-20 2015-02-26 Panasonic Corporation Beleuchtungsbaugruppe und diese verwendende Beleuchtungsvorrichtung
US9414449B2 (en) 2013-11-18 2016-08-09 Express Imaging Systems, Llc High efficiency power controller for luminaire
WO2015116812A1 (en) 2014-01-30 2015-08-06 Express Imaging Systems, Llc Ambient light control in solid state lamps and luminaires
WO2016054085A1 (en) 2014-09-30 2016-04-07 Express Imaging Systems, Llc Centralized control of area lighting hours of illumination
WO2016064542A1 (en) 2014-10-24 2016-04-28 Express Imaging Systems, Llc Detection and correction of faulty photo controls in outdoor luminaires
US9462662B1 (en) 2015-03-24 2016-10-04 Express Imaging Systems, Llc Low power photocontrol for luminaire
US9538612B1 (en) 2015-09-03 2017-01-03 Express Imaging Systems, Llc Low power photocontrol for luminaire
US9924582B2 (en) 2016-04-26 2018-03-20 Express Imaging Systems, Llc Luminaire dimming module uses 3 contact NEMA photocontrol socket
US10230296B2 (en) 2016-09-21 2019-03-12 Express Imaging Systems, Llc Output ripple reduction for power converters
US9985429B2 (en) 2016-09-21 2018-05-29 Express Imaging Systems, Llc Inrush current limiter circuit
US10098212B2 (en) 2017-02-14 2018-10-09 Express Imaging Systems, Llc Systems and methods for controlling outdoor luminaire wireless network using smart appliance
US10219360B2 (en) 2017-04-03 2019-02-26 Express Imaging Systems, Llc Systems and methods for outdoor luminaire wireless control
US10568191B2 (en) 2017-04-03 2020-02-18 Express Imaging Systems, Llc Systems and methods for outdoor luminaire wireless control
US11375599B2 (en) 2017-04-03 2022-06-28 Express Imaging Systems, Llc Systems and methods for outdoor luminaire wireless control
US10904992B2 (en) 2017-04-03 2021-01-26 Express Imaging Systems, Llc Systems and methods for outdoor luminaire wireless control
US11234304B2 (en) 2019-05-24 2022-01-25 Express Imaging Systems, Llc Photocontroller to control operation of a luminaire having a dimming line
US11317497B2 (en) 2019-06-20 2022-04-26 Express Imaging Systems, Llc Photocontroller and/or lamp with photocontrols to control operation of lamp
US11212887B2 (en) 2019-11-04 2021-12-28 Express Imaging Systems, Llc Light having selectively adjustable sets of solid state light sources, circuit and method of operation thereof, to provide variable output characteristics
US12439488B2 (en) 2022-12-09 2025-10-07 Express Imaging Systems, Llc Field adjustable output for dimmable luminaires

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US5821700A (en) * 1996-12-20 1998-10-13 Star Headlight & Lantern Co. Visual warning system for a railway vehicle
KR100494707B1 (ko) * 2002-03-20 2005-06-13 비오이 하이디스 테크놀로지 주식회사 표시 장치에 사용되는 저잡음의 백라이트 시스템 및 이를구동하는 방법
US7012578B2 (en) * 2002-06-21 2006-03-14 Matsushita Electric Industrial Co., Ltd. Light emission control device, backlight device, liquid crystal display apparatus, liquid crystal monitor and liquid crystal television
US6926423B2 (en) * 2003-07-03 2005-08-09 King Of Fans, Inc. Light with simulated candle flicker

Also Published As

Publication number Publication date
JP2005198238A (ja) 2005-07-21
US7180247B2 (en) 2007-02-20
US20050134200A1 (en) 2005-06-23

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