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EP0429028A3 - Ballast for a plurality of discharge lamps - Google Patents

Ballast for a plurality of discharge lamps Download PDF

Info

Publication number
EP0429028A3
EP0429028A3 EP19900121991 EP90121991A EP0429028A3 EP 0429028 A3 EP0429028 A3 EP 0429028A3 EP 19900121991 EP19900121991 EP 19900121991 EP 90121991 A EP90121991 A EP 90121991A EP 0429028 A3 EP0429028 A3 EP 0429028A3
Authority
EP
European Patent Office
Prior art keywords
ballast
discharge lamps
lamps
discharge
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.)
Ceased
Application number
EP19900121991
Other languages
German (de)
Other versions
EP0429028A2 (en
Inventor
Fred Dr.-Ing. Hasemann
Ferdinand Dipl.-Ing. Mertens
Norbert Dipl.-Ing. Wittig
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.)
Trilux GmbH and Co KG
Original Assignee
Trilux Lenze GmbH and Co KG
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 Trilux Lenze GmbH and Co KG filed Critical Trilux Lenze GmbH and Co KG
Publication of EP0429028A2 publication Critical patent/EP0429028A2/en
Publication of EP0429028A3 publication Critical patent/EP0429028A3/en
Ceased 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
EP19900121991 1989-11-22 1990-11-17 Ballast for a plurality of discharge lamps Ceased EP0429028A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3938676 1989-11-22
DE3938676A DE3938676C1 (en) 1989-11-22 1989-11-22

Publications (2)

Publication Number Publication Date
EP0429028A2 EP0429028A2 (en) 1991-05-29
EP0429028A3 true EP0429028A3 (en) 1992-07-22

Family

ID=6393957

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19900121991 Ceased EP0429028A3 (en) 1989-11-22 1990-11-17 Ballast for a plurality of discharge lamps

Country Status (4)

Country Link
US (1) US5079485A (en)
EP (1) EP0429028A3 (en)
CA (1) CA2025094A1 (en)
DE (1) DE3938676C1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5371442A (en) * 1993-01-04 1994-12-06 Siems; Steven L. Remote ballast circuit assembly
DE29706523U1 (en) * 1997-04-11 1998-08-13 Leax Ltd., London Lighting control device
DE29706609U1 (en) * 1997-04-12 1998-08-06 Leax Ltd., London Lighting system
US6483260B1 (en) * 2001-07-23 2002-11-19 Hubbell Incorporated Apparatus for operating respective single lamps among multiple lamps coupled to the same ballast
US6731080B2 (en) 2002-06-28 2004-05-04 Hubbell Incorporated Multiple ballast and lamp control system for selectively varying operation of ballasts to distribute burn times among lamps
JP2008211946A (en) * 2007-02-28 2008-09-11 Sanden Corp Power conversion apparatus
CN100521066C (en) * 2007-06-28 2009-07-29 杨根元 High-performance energy-saving long life fluorescent lamp
ES2737734T3 (en) * 2015-03-26 2020-01-15 Signify Holding Bv Actuator circuit, lighting arrangement and LED drive method

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4260932A (en) * 1978-10-12 1981-04-07 Vance Johnson Method and circuit for facilitating the starting and steady state flickerless operation of a discharge lamp
US4484105A (en) * 1982-10-28 1984-11-20 At&T Technologies, Inc. Circuit for selectively exciting one of a pair of light emitting diodes
EP0298934A1 (en) * 1987-07-09 1989-01-11 Kabushiki Kaisha Denkosha Lighting apparatus

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2859387A (en) * 1953-07-30 1958-11-04 Zeiss Ikon Ag Arrangement for simultaneously or alternately operating a plurality of xenon high pressure lamps
DE1040689B (en) * 1955-01-19 1958-10-09 Siemens Ag Lighting system with AC-fed fluorescent lamps
DE2816943C2 (en) * 1978-04-19 1982-09-02 Ceag Licht- Und Stromversorgungstechnik Gmbh, 4770 Soest Procedure for operating emergency power supply systems
US4247766A (en) * 1979-01-12 1981-01-27 Carl Warren Demand illumination control apparatus
US4238711A (en) * 1979-08-20 1980-12-09 General Electric Company Circuit for selective individual operation of multiple arc discharge lamps
GB2069779A (en) * 1980-02-08 1981-08-26 Thorn Emi Ltd Discharge lamp circuit
JPS63198294A (en) * 1987-02-10 1988-08-16 シャープ株式会社 Fluorescent lamp lighting system

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4260932A (en) * 1978-10-12 1981-04-07 Vance Johnson Method and circuit for facilitating the starting and steady state flickerless operation of a discharge lamp
US4484105A (en) * 1982-10-28 1984-11-20 At&T Technologies, Inc. Circuit for selectively exciting one of a pair of light emitting diodes
EP0298934A1 (en) * 1987-07-09 1989-01-11 Kabushiki Kaisha Denkosha Lighting apparatus

Also Published As

Publication number Publication date
CA2025094A1 (en) 1991-05-23
US5079485A (en) 1992-01-07
EP0429028A2 (en) 1991-05-29
DE3938676C1 (en) 1991-06-06

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