DE69018236T2 - Schaltanordnung. - Google Patents

Schaltanordnung.

Info

Publication number
DE69018236T2
DE69018236T2 DE69018236T DE69018236T DE69018236T2 DE 69018236 T2 DE69018236 T2 DE 69018236T2 DE 69018236 T DE69018236 T DE 69018236T DE 69018236 T DE69018236 T DE 69018236T DE 69018236 T2 DE69018236 T2 DE 69018236T2
Authority
DE
Germany
Prior art keywords
circuitry
frequency
lamp
modulation
pulsatory current
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
DE69018236T
Other languages
English (en)
Other versions
DE69018236D1 (de
Inventor
Jan Willem Denneman
Leonardus Urbanus Emil Konings
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.)
Koninklijke Philips NV
Original Assignee
Philips Electronics NV
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 Philips Electronics NV filed Critical Philips Electronics NV
Application granted granted Critical
Publication of DE69018236D1 publication Critical patent/DE69018236D1/de
Publication of DE69018236T2 publication Critical patent/DE69018236T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • H05B41/3927—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor with possibility of light intensity variations by pulse width modulation
    • H05B41/3928—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor with possibility of light intensity variations by pulse width modulation for high-pressure lamps, e.g. high-intensity discharge lamps, high-pressure mercury or sodium lamps
    • 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
    • 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

  • Discharge-Lamp Control Circuits And Pulse- Feed Circuits (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
  • Burglar Alarm Systems (AREA)
  • Circuit Arrangements For Discharge Lamps (AREA)
  • Amplifiers (AREA)
  • Pens And Brushes (AREA)
  • Contacts (AREA)
  • Electronic Switches (AREA)
DE69018236T 1990-01-29 1990-12-21 Schaltanordnung. Expired - Fee Related DE69018236T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL9000201 1990-01-29

Publications (2)

Publication Number Publication Date
DE69018236D1 DE69018236D1 (de) 1995-05-04
DE69018236T2 true DE69018236T2 (de) 1995-11-02

Family

ID=19856490

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69018236T Expired - Fee Related DE69018236T2 (de) 1990-01-29 1990-12-21 Schaltanordnung.

Country Status (9)

Country Link
EP (1) EP0439864B1 (de)
JP (1) JP3092956B2 (de)
KR (1) KR100225723B1 (de)
AT (1) ATE120606T1 (de)
DE (1) DE69018236T2 (de)
ES (1) ES2072380T3 (de)
FI (1) FI100162B (de)
HK (1) HK170596A (de)
HU (2) HU205517B (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5262701A (en) * 1991-03-15 1993-11-16 U.S. Philips Corporation Circuit arrangement for operating a high pressure sodium lamp
DE4123187A1 (de) * 1991-07-12 1993-01-14 Tridonic Bauelemente Vorschaltgeraet zum pulsbetrieb von gasentladungslampen
US5357174A (en) * 1992-11-05 1994-10-18 General Electric Company Feedback-controlled circuit and method for powering a high intensity discharge lamp
US5349273A (en) * 1992-11-23 1994-09-20 Everbrite, Inc. Dimmer and ground fault interruption for solid state neon supply
JPH07308135A (ja) * 1993-06-15 1995-11-28 Naoto Hayafune 瓶及び器類を利用したラン類の水栽培
JP3076184B2 (ja) * 1993-12-22 2000-08-14 日本電気株式会社 液晶表示装置
US5565741A (en) * 1994-03-16 1996-10-15 Osram Sylvania Inc. Method of operating a neon discharge lamp particularly useful on a vehicle
DE4439812A1 (de) * 1994-11-08 1996-05-09 Bosch Gmbh Robert Vorrichtung zum Betreiben einer Gasentladungslampe
DE19543419A1 (de) * 1995-11-21 1997-05-22 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Verfahren und Schaltungsanordnung zum Betreiben von Kaltkathoden-Glimmleuchtstofflampen
FR2806247B1 (fr) * 2000-03-10 2002-05-31 Renault Procede de commande d'un dispositif d'alimentation d'une lampe a decharge
GB2375444A (en) 2001-05-09 2002-11-13 Simsoarica Ltd Improved lamp colour control for dimmed high intensity discharge lamps
WO2002098186A1 (en) * 2001-05-25 2002-12-05 Matsushita Electric Works, Ltd. Electronic ballast for a high intensity discharge lamp
AU2002367201A1 (en) * 2001-12-25 2003-07-15 Matsushita Electric Works, Ltd. Discharge lamp operation apparatus
AU2002368347A1 (en) * 2002-11-12 2004-06-03 Simon Richard Greenwood Improved lamp colour control for dimmed high intensity discharge lamps

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1575834A (en) * 1977-06-13 1980-10-01 Gen Electric High pressure sodium vapour lamps and method of operating the same
US4219760A (en) * 1979-03-22 1980-08-26 General Electric Company SEF Lamp dimming
JPS5694372A (en) * 1979-12-27 1981-07-30 Canon Inc Exposure control device
US4885508A (en) * 1986-10-31 1989-12-05 Mole-Richardson Company System for controlling the intensity of high power lights

Also Published As

Publication number Publication date
EP0439864A1 (de) 1991-08-07
FI910392A0 (fi) 1991-01-25
ES2072380T3 (es) 1995-07-16
HU910277D0 (en) 1991-08-28
FI910392A (fi) 1991-07-30
HU910279D0 (en) 1991-08-28
KR100225723B1 (ko) 1999-10-15
EP0439864B1 (de) 1995-03-29
KR910015200A (ko) 1991-08-31
FI100162B (fi) 1997-09-30
ATE120606T1 (de) 1995-04-15
JPH04212298A (ja) 1992-08-03
HU205517B (en) 1992-04-28
JP3092956B2 (ja) 2000-09-25
HUT56681A (en) 1991-09-30
HK170596A (en) 1996-09-20
DE69018236D1 (de) 1995-05-04
HUT56683A (en) 1991-09-30

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: KONINKLIJKE PHILIPS ELECTRONICS N.V., EINDHOVEN, N

8320 Willingness to grant licences declared (paragraph 23)
8328 Change in the person/name/address of the agent

Representative=s name: VOLMER, G., DIPL.-ING., PAT.-ANW., 52066 AACHEN

8339 Ceased/non-payment of the annual fee