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)
English (en)
Other versions
EP0429028A2 (fr
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/fr
Publication of EP0429028A3 publication Critical patent/EP0429028A3/de
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • H05B41/36Controlling
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 (fr) 1989-11-22 1989-11-22

Publications (2)

Publication Number Publication Date
EP0429028A2 EP0429028A2 (fr) 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 (fr)
EP (1) EP0429028A3 (fr)
CA (1) CA2025094A1 (fr)
DE (1) DE3938676C1 (fr)

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 (de) * 1997-04-11 1998-08-13 Trilux Lenze Gmbh & Co Kg Beleuchtungs-Steuereinrichtung
DE29706609U1 (de) * 1997-04-12 1998-08-06 Trilux Lenze Gmbh & Co Kg Beleuchtungssystem
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 (ja) * 2007-02-28 2008-09-11 Sanden Corp 電力変換装置
CN100521066C (zh) * 2007-06-28 2009-07-29 杨根元 一种高效节能的长寿命荧光灯
RU2711235C2 (ru) * 2015-03-26 2020-01-15 Филипс Лайтинг Холдинг Б.В. Схема возбудителя светоизлучающих диодов, осветительное устройство и способ возбуждения

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 (fr) * 1987-07-09 1989-01-11 Kabushiki Kaisha Denkosha Dispositif d'éclairage

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 (de) * 1955-01-19 1958-10-09 Siemens Ag Beleuchtungsanlage mit wechselstromgespeisten Leuchtstofflampen
DE2816943C2 (de) * 1978-04-19 1982-09-02 Ceag Licht- Und Stromversorgungstechnik Gmbh, 4770 Soest Verfahren zum Betrieb von Notstromversorgungseinrichtungen
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 (ja) * 1987-02-10 1988-08-16 シャープ株式会社 蛍光灯の点灯方式

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 (fr) * 1987-07-09 1989-01-11 Kabushiki Kaisha Denkosha Dispositif d'éclairage

Also Published As

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

Similar Documents

Publication Publication Date Title
GB8904319D0 (en) Operating discharge lamps
GB8519442D0 (en) Gas discharge lamp dimming ballast
IL80481A0 (en) Self-adjusting ballast system for a high intensity discharge lamp
GB2234628B (en) Discharge lamp base construction
GB2226444B (en) Electrodeless discharge lamp
HUT56203A (en) High-pressure discharge lamp
HUT53986A (en) Low-pressure mercury-vapour discharge lamp
EP0321866A3 (en) High-pressure discharge lamp
HU905800D0 (en) High-pressure discharge lamp
AU3432189A (en) Electronic ballast for discharge lamps
GB2270808B (en) Electronic ballast for a discharge lamp
CS407490A3 (en) Circuit for a gaseous discharge lamp
HU904227D0 (en) High-pressure discharge lamp
EP0429028A3 (en) Ballast for a plurality of discharge lamps
HUT45794A (en) Gas discharge lamp
HUT41922A (en) High-pressure discharge lamp
IL81400A0 (en) Ballast for systems having a plurality of high-intensity discharge lamps
GB2216715B (en) Electrodeless high intensity discharge lamp
DE3662734D1 (en) High-pressure discharge lamp
EP0220673A3 (en) High-pressure discharge lamp
TW295328U (en) Electronic ballast for a discharge lamp
HUT49962A (en) Wall-stabilized metal-vapour gas discharge lamp
HU900593D0 (en) High pressure discharge lamp
GB2208980B (en) Ballast for fluorescent lamp
HUT45793A (en) Low-pressure mercury-arc discharge lamp

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT CH DE ES FR GB IT LI NL

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT CH DE ES FR GB IT LI NL

17P Request for examination filed

Effective date: 19920711

17Q First examination report despatched

Effective date: 19941109

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION HAS BEEN REFUSED

18R Application refused

Effective date: 19950504