EP1139700A4 - Dispositif d'alimentation pour lampe a decharge - Google Patents

Dispositif d'alimentation pour lampe a decharge

Info

Publication number
EP1139700A4
EP1139700A4 EP20000917356 EP00917356A EP1139700A4 EP 1139700 A4 EP1139700 A4 EP 1139700A4 EP 20000917356 EP20000917356 EP 20000917356 EP 00917356 A EP00917356 A EP 00917356A EP 1139700 A4 EP1139700 A4 EP 1139700A4
Authority
EP
European Patent Office
Prior art keywords
feeding device
discharge lamp
lamp
discharge
feeding
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
EP20000917356
Other languages
German (de)
English (en)
Other versions
EP1139700A1 (fr
EP1139700A9 (fr
Inventor
Masashi Okamoto
Tomohiro Yamamoto
Tomoyoshi Arimoto
Yoshiteru Kondo
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.)
Ushio Denki KK
Original Assignee
Ushio Denki KK
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 Ushio Denki KK filed Critical Ushio Denki KK
Publication of EP1139700A1 publication Critical patent/EP1139700A1/fr
Publication of EP1139700A4 publication Critical patent/EP1139700A4/fr
Publication of EP1139700A9 publication Critical patent/EP1139700A9/fr
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
    • H05B41/38—Controlling the intensity of light
    • 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
    • H05B41/26—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc
    • H05B41/28—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters
    • H05B41/288—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters with semiconductor devices and specially adapted for lamps without preheating electrodes, e.g. for high-intensity discharge lamps, high-pressure mercury or sodium lamps or low-pressure sodium lamps
    • H05B41/292—Arrangements for protecting lamps or circuits against abnormal operating conditions
    • H05B41/2928—Arrangements for protecting lamps or circuits against abnormal operating conditions for protecting the lamp against abnormal operating conditions
EP20000917356 1999-04-21 2000-04-19 Dispositif d'alimentation pour lampe a decharge Ceased EP1139700A4 (fr)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP11426999 1999-04-21
JP11426999 1999-04-21
JP2000105274 2000-04-06
JP2000105274A JP3823680B2 (ja) 1999-04-21 2000-04-06 放電灯用給電装置
PCT/JP2000/002537 WO2000065885A1 (fr) 1999-04-21 2000-04-19 Dispositif d'alimentation pour lampe a decharge

Publications (3)

Publication Number Publication Date
EP1139700A1 EP1139700A1 (fr) 2001-10-04
EP1139700A4 true EP1139700A4 (fr) 2002-03-28
EP1139700A9 EP1139700A9 (fr) 2002-04-03

Family

ID=26453059

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20000917356 Ceased EP1139700A4 (fr) 1999-04-21 2000-04-19 Dispositif d'alimentation pour lampe a decharge

Country Status (3)

Country Link
EP (1) EP1139700A4 (fr)
JP (1) JP3823680B2 (fr)
WO (1) WO2000065885A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3852299B2 (ja) 2001-05-11 2006-11-29 ウシオ電機株式会社 光源装置
US6552498B1 (en) * 2001-09-28 2003-04-22 Osram Sylvania Inc. Method and circuit for controlling current in a high pressure discharge lamp
DE102004021858A1 (de) * 2004-05-04 2005-12-01 BSH Bosch und Siemens Hausgeräte GmbH Haushaltsgerät mit Innenraumbeleuchtung und Beleuchtungsbaugruppe dafür
EP1836884B1 (fr) * 2005-01-03 2011-02-23 Philips Intellectual Property & Standards GmbH Procede et dispositif de surveillance de la condensation du mercure dans un tube a arc
JP2006344495A (ja) 2005-06-09 2006-12-21 Ushio Inc 放電ランプ点灯装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5332970A (en) * 1992-06-25 1994-07-26 General Electric Company Method for measuring the impedance of an electrodeless arc discharge lamp
JPH07176391A (ja) * 1993-03-03 1995-07-14 Ushio Inc 放電ランプ点灯方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0744076B2 (ja) * 1985-10-15 1995-05-15 東芝ライテック株式会社 放電灯点灯装置
JPH0542637Y2 (fr) * 1988-04-25 1993-10-27

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5332970A (en) * 1992-06-25 1994-07-26 General Electric Company Method for measuring the impedance of an electrodeless arc discharge lamp
US5479102A (en) * 1992-06-25 1995-12-26 General Electric Company Simulated load circuit for simulating the arc impedance of an electrodless discharge lamp
JPH07176391A (ja) * 1993-03-03 1995-07-14 Ushio Inc 放電ランプ点灯方法

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 1995, no. 10 30 November 1995 (1995-11-30) *
See also references of WO0065885A1 *

Also Published As

Publication number Publication date
JP2001006895A (ja) 2001-01-12
EP1139700A1 (fr) 2001-10-04
EP1139700A9 (fr) 2002-04-03
JP3823680B2 (ja) 2006-09-20
WO2000065885A1 (fr) 2000-11-02

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