CA1156302A - Dispositif d'excitation de lampes a decharge avec gradation de la lumiere - Google Patents

Dispositif d'excitation de lampes a decharge avec gradation de la lumiere

Info

Publication number
CA1156302A
CA1156302A CA000341249A CA341249A CA1156302A CA 1156302 A CA1156302 A CA 1156302A CA 000341249 A CA000341249 A CA 000341249A CA 341249 A CA341249 A CA 341249A CA 1156302 A CA1156302 A CA 1156302A
Authority
CA
Canada
Prior art keywords
output
lamps
circuit
capacitor
high frequency
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
Application number
CA000341249A
Other languages
English (en)
Inventor
Joel S. Spira
Dennis Capewell
David G. Luchaco
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.)
Lutron Electronics Co Inc
Original Assignee
Lutron Electronics Co 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
Priority claimed from US05/966,601 external-priority patent/US4207497A/en
Priority claimed from US05/966,604 external-priority patent/US4207498A/en
Priority claimed from US05/966,643 external-priority patent/US4210846A/en
Application filed by Lutron Electronics Co Inc filed Critical Lutron Electronics Co Inc
Application granted granted Critical
Publication of CA1156302A publication Critical patent/CA1156302A/fr
Expired 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

Landscapes

  • Circuit Arrangements For Discharge Lamps (AREA)
  • Discharge-Lamp Control Circuits And Pulse- Feed Circuits (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
CA000341249A 1978-12-05 1979-12-05 Dispositif d'excitation de lampes a decharge avec gradation de la lumiere Expired CA1156302A (fr)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US05/966,601 US4207497A (en) 1978-12-05 1978-12-05 Ballast structure for central high frequency dimming apparatus
US966,604 1978-12-05
US05/966,604 US4207498A (en) 1978-12-05 1978-12-05 System for energizing and dimming gas discharge lamps
US966,601 1978-12-05
US05/966,643 US4210846A (en) 1978-12-05 1978-12-05 Inverter circuit for energizing and dimming gas discharge lamps
US966,643 1992-03-02

Publications (1)

Publication Number Publication Date
CA1156302A true CA1156302A (fr) 1983-11-01

Family

ID=27420755

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000341249A Expired CA1156302A (fr) 1978-12-05 1979-12-05 Dispositif d'excitation de lampes a decharge avec gradation de la lumiere

Country Status (5)

Country Link
JP (1) JPS63196599U (fr)
CA (1) CA1156302A (fr)
DE (1) DE2948938A1 (fr)
FR (1) FR2469082A1 (fr)
GB (1) GB2038571B (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2132751A (en) * 1982-12-23 1984-07-11 Menvier Ambient light control for artificial lighting
DE4231286A1 (de) * 1992-09-18 1994-03-24 Bosch Gmbh Robert Vorrichtung zum Zünden von Gasentladungslampen
US7944151B2 (en) 2004-10-13 2011-05-17 Osram Sylvania Inc. Frequency modulation method and device for high intensity discharge lamp

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB661705A (en) * 1949-04-22 1951-11-28 Gen Electric Co Ltd Improvements in electric circuit arrangements for operating electric discharge lamps
US3116438A (en) * 1961-06-01 1963-12-31 Gen Electric High frequency lighting systems and ballast circuits therefor
US3514668A (en) * 1967-05-17 1970-05-26 Rollie C Johnson Controllable intensity illumination system and method
US3824428A (en) * 1969-07-23 1974-07-16 Lutron Electronics Co High frequency fluorescent tube lighting circuit and a-c driving circuit therefor
US3663940A (en) * 1970-05-21 1972-05-16 Nasa Controllable, load insensitive power converters
US3753071A (en) * 1972-06-15 1973-08-14 Westinghouse Electric Corp Low cost transistorized inverter
US3919592A (en) * 1973-11-19 1975-11-11 Lutron Electronics Co High intensity discharge mercury vapor lamp dimming system
JPS5843880B2 (ja) * 1976-02-18 1983-09-29 三菱電機株式会社 放電灯調光装置

Also Published As

Publication number Publication date
GB2038571B (en) 1983-05-05
FR2469082B1 (fr) 1983-08-26
FR2469082A1 (fr) 1981-05-08
GB2038571A (en) 1980-07-23
DE2948938C2 (fr) 1991-05-29
JPS63196599U (fr) 1988-12-19
DE2948938A1 (de) 1980-06-26

Similar Documents

Publication Publication Date Title
US4207498A (en) System for energizing and dimming gas discharge lamps
US4207497A (en) Ballast structure for central high frequency dimming apparatus
US4210846A (en) Inverter circuit for energizing and dimming gas discharge lamps
US4604552A (en) Retrofit fluorescent lamp energy management/dimming system
US4350935A (en) Gas discharge lamp control
EP0081285A2 (fr) Méthode et appareil pour la commande de l'illumination de lampes à décharge à gaz
EP0396621A4 (en) Fluorescent dimming ballast utilizing a resonant sine wave power converter
US4523130A (en) Four lamp modular lighting control
EP0681779B1 (fr) Ballast mono-transistor pour lampes a decharge
JPS62290917A (ja) 力率改善回路網
CN101044800B (zh) 可调光照明系统
KR101024179B1 (ko) 램프 및 전기적 발광 시스템의 조광제어를 위한 장치 및방법
US5021716A (en) Forward inverter ballast circuit
CA1156302A (fr) Dispositif d'excitation de lampes a decharge avec gradation de la lumiere
US5789866A (en) Electronic ballast with reversely wound filament winding
US5028846A (en) Single-ended ballast circuit
US5477112A (en) Ballasting network with integral trap
US4581562A (en) Extra-high-efficiency fluorescent lamp ballast
JPH05284749A (ja) 電流調整装置
JPS5871596A (ja) ガス放電ランプを調光制御する方法および回路装置
US5604409A (en) Electronic lighting controller
US4190790A (en) Isolator circuit for use with frequency sensitive switching circuit
US6703818B2 (en) AC to AC power converter for electronic devices having substantially different output voltage/current characteristics
US5159245A (en) Track lighting system for 277 volt power line
Takahashi et al. A 500 Hz power system-applications

Legal Events

Date Code Title Description
MKEX Expiry