EP0940061A4 - Distributed network control of a dimmable fluorescent lighting system - Google Patents

Distributed network control of a dimmable fluorescent lighting system

Info

Publication number
EP0940061A4
EP0940061A4 EP97926443A EP97926443A EP0940061A4 EP 0940061 A4 EP0940061 A4 EP 0940061A4 EP 97926443 A EP97926443 A EP 97926443A EP 97926443 A EP97926443 A EP 97926443A EP 0940061 A4 EP0940061 A4 EP 0940061A4
Authority
EP
European Patent Office
Prior art keywords
network
control
controls
lighting system
lighting
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
Application number
EP97926443A
Other languages
German (de)
French (fr)
Other versions
EP0940061B1 (en
EP0940061A1 (en
Inventor
Electric Inc Kumho
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.)
Kumho Electric Inc
Original Assignee
Kumho Electric Inc
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 Kumho Electric Inc filed Critical Kumho Electric Inc
Publication of EP0940061A1 publication Critical patent/EP0940061A1/en
Publication of EP0940061A4 publication Critical patent/EP0940061A4/en
Application granted granted Critical
Publication of EP0940061B1 publication Critical patent/EP0940061B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/14—Circuit arrangements
    • H05B41/36—Controlling
    • 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
    • H05B41/36—Controlling
    • H05B41/38—Controlling the intensity of light
    • H05B41/39—Controlling the intensity of light continuously
    • 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
    • H05B41/36—Controlling
    • H05B41/38—Controlling the intensity of light
    • H05B41/39—Controlling the intensity of light continuously
    • H05B41/392—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor
    • H05B41/3921—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor with possibility of light intensity variations
    • H05B41/3922—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor with possibility of light intensity variations and measurement of the incident light

Landscapes

  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

An ergonomic and energy-saving dimmable fluorescent lighting system using a distributed network (138) of lighting controls and control power sources. A plurality of controls (84) share a proportional-response control line (58) with a default value, wherein the control requesting the largest deviation from the default value prevails. Certain controls (124) may additionally share a polling line (126), in which the controls must agree on a value, before it can be requested on the proportional-response control line. Interactions between controls on the network provide for a method to control the total illumination on a scene, including both artificial (94) and natural (96) light, down to the light level where only natural light (96) is present. Unidirectional control nodes (86) allow a first network to exert control on a second network, without affecting the control levels in the first network. Thereby, hierarchical network control can be established. In addition, the method provides for network power to energize the control network (63), derived either from the lighting ballasts (52) or from external network-compliant power sources (192) strategically located in the network. A self-energizing contactor (80) switches power to the lighting system (56).
EP97926443A 1996-05-13 1997-05-13 Distributed network control of a dimmable fluorescent lighting system Expired - Lifetime EP0940061B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US1727996P 1996-05-13 1996-05-13
US17279P 1996-05-13
PCT/US1997/007934 WO1997043876A1 (en) 1996-05-13 1997-05-13 Distributed network control of a dimmable fluorescent lighting system

Publications (3)

Publication Number Publication Date
EP0940061A1 EP0940061A1 (en) 1999-09-08
EP0940061A4 true EP0940061A4 (en) 2001-03-07
EP0940061B1 EP0940061B1 (en) 2006-07-26

Family

ID=21781723

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97926443A Expired - Lifetime EP0940061B1 (en) 1996-05-13 1997-05-13 Distributed network control of a dimmable fluorescent lighting system

Country Status (6)

Country Link
EP (1) EP0940061B1 (en)
KR (1) KR20000011044A (en)
AT (1) ATE334571T1 (en)
AU (1) AU3121197A (en)
DE (1) DE69736392D1 (en)
WO (1) WO1997043876A1 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1250053C (en) * 1999-03-11 2006-04-05 电源电路创新公司 Networkable power controller
FR2814318B1 (en) * 2000-09-21 2002-12-06 Photomeca Sa DEVICE FOR MONITORING THE OPERATION OF A PLURALITY OF FLUORESCENT LAMPS, PARTICULARLY FOR THE PRODUCTION OF LIQUID OR SOLID PHOTOPOLYMER PRINTING PLATES
NL1022715C2 (en) * 2003-02-17 2004-08-19 Etap Nv Lighting system with global bus and local intelligence.
US8214061B2 (en) 2006-05-26 2012-07-03 Abl Ip Holding Llc Distributed intelligence automated lighting systems and methods
RU2012106662A (en) 2009-07-24 2013-08-27 Конинклейке Филипс Электроникс Н.В. METHOD AND ADJUSTMENT SYSTEM FOR ADJUSTING POWER SUPPLIES OF ARTIFICIAL LIGHT SOURCES
US8436541B2 (en) 2010-12-30 2013-05-07 Schneider Electric USA, Inc. Occupancy sensor with multi-level signaling
CN105024545B (en) * 2014-04-25 2018-12-07 深圳市中兴微电子技术有限公司 A kind of method of controlling switch, ON-OFF control circuit and modulator
US11038413B2 (en) 2019-09-10 2021-06-15 Apple Inc. Power converter with overshoot compensation for a switching device
US11431249B2 (en) 2020-08-27 2022-08-30 Apple Inc. Negative slew rate control for power converters

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0481550A1 (en) * 1990-10-17 1992-04-22 Koninklijke Philips Electronics N.V. Circuit arrangement
US5402101A (en) * 1990-11-16 1995-03-28 Esser Sicherheitstechnik Gmbh Method for determining the configuration of detectors of a danger alarm system and for determining the system configuration of suitable detectors

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4864482A (en) * 1988-07-07 1989-09-05 Etta Industries, Inc. Conversion circuit for limiting inrush current
US4965492A (en) * 1988-11-18 1990-10-23 Energy Technology, Inc. Lighting control system and module
US5357170A (en) * 1993-02-12 1994-10-18 Lutron Electronics Co., Inc. Lighting control system with priority override
US5471119A (en) * 1994-06-08 1995-11-28 Mti International, Inc. Distributed control system for lighting with intelligent electronic ballasts

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0481550A1 (en) * 1990-10-17 1992-04-22 Koninklijke Philips Electronics N.V. Circuit arrangement
US5402101A (en) * 1990-11-16 1995-03-28 Esser Sicherheitstechnik Gmbh Method for determining the configuration of detectors of a danger alarm system and for determining the system configuration of suitable detectors

Also Published As

Publication number Publication date
ATE334571T1 (en) 2006-08-15
AU3121197A (en) 1997-12-05
WO1997043876A1 (en) 1997-11-20
EP0940061B1 (en) 2006-07-26
KR20000011044A (en) 2000-02-25
DE69736392D1 (en) 2006-09-07
EP0940061A1 (en) 1999-09-08

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