FR2469082B1 - - Google Patents

Info

Publication number
FR2469082B1
FR2469082B1 FR7929866A FR7929866A FR2469082B1 FR 2469082 B1 FR2469082 B1 FR 2469082B1 FR 7929866 A FR7929866 A FR 7929866A FR 7929866 A FR7929866 A FR 7929866A FR 2469082 B1 FR2469082 B1 FR 2469082B1
Authority
FR
France
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
FR7929866A
Other languages
French (fr)
Other versions
FR2469082A1 (en
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 US05/966,643 external-priority patent/US4210846A/en
Priority claimed from US05/966,604 external-priority patent/US4207498A/en
Priority claimed from US05/966,601 external-priority patent/US4207497A/en
Application filed by Lutron Electronics Co Inc filed Critical Lutron Electronics Co Inc
Publication of FR2469082A1 publication Critical patent/FR2469082A1/en
Application granted granted Critical
Publication of FR2469082B1 publication Critical patent/FR2469082B1/fr
Granted 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
FR7929866A 1978-12-05 1979-12-05 ENERGY-SAVING LIGHTING CONTROL SYSTEM AND CONVERTER FOR USE IN SUCH A SYSTEM Granted FR2469082A1 (en)

Applications Claiming Priority (3)

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

Publications (2)

Publication Number Publication Date
FR2469082A1 FR2469082A1 (en) 1981-05-08
FR2469082B1 true FR2469082B1 (en) 1983-08-26

Family

ID=27420755

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7929866A Granted FR2469082A1 (en) 1978-12-05 1979-12-05 ENERGY-SAVING LIGHTING CONTROL SYSTEM AND CONVERTER FOR USE IN SUCH A SYSTEM

Country Status (5)

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

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 (en) * 1992-09-18 1994-03-24 Bosch Gmbh Robert Device for igniting gas discharge lamps
JP4519174B2 (en) 2004-10-13 2010-08-04 オスラム−シルヴァニア インコーポレイテッド Method and apparatus for frequency modulation of 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 (en) * 1976-02-18 1983-09-29 三菱電機株式会社 discharge lamp dimmer

Also Published As

Publication number Publication date
FR2469082A1 (en) 1981-05-08
CA1156302A (en) 1983-11-01
GB2038571B (en) 1983-05-05
GB2038571A (en) 1980-07-23
JPS63196599U (en) 1988-12-19
DE2948938C2 (en) 1991-05-29
DE2948938A1 (en) 1980-06-26

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Legal Events

Date Code Title Description
ST Notification of lapse