DE2967585D1 - Fluorescent lamp lighting system - Google Patents

Fluorescent lamp lighting system

Info

Publication number
DE2967585D1
DE2967585D1 DE7979901332T DE2967585T DE2967585D1 DE 2967585 D1 DE2967585 D1 DE 2967585D1 DE 7979901332 T DE7979901332 T DE 7979901332T DE 2967585 T DE2967585 T DE 2967585T DE 2967585 D1 DE2967585 D1 DE 2967585D1
Authority
DE
Germany
Prior art keywords
fluorescent lamp
lighting system
lamp lighting
fluorescent
lighting
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
DE7979901332T
Other languages
German (de)
English (en)
Inventor
Don F Widmayer
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.)
Controlled Environmental Systems Corp
Controlled Environment Systems Inc
Original Assignee
Controlled Environmental Systems Corp
Controlled Environment Systems 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
Application filed by Controlled Environmental Systems Corp, Controlled Environment Systems Inc filed Critical Controlled Environmental Systems Corp
Application granted granted Critical
Publication of DE2967585D1 publication Critical patent/DE2967585D1/de
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
DE7979901332T 1978-09-26 1979-09-26 Fluorescent lamp lighting system Expired DE2967585D1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US94584278A 1978-09-26 1978-09-26
PCT/US1979/000785 WO1980000776A1 (en) 1978-09-26 1979-09-26 Energy conserving automatic light output system

Publications (1)

Publication Number Publication Date
DE2967585D1 true DE2967585D1 (en) 1986-04-17

Family

ID=25483619

Family Applications (1)

Application Number Title Priority Date Filing Date
DE7979901332T Expired DE2967585D1 (en) 1978-09-26 1979-09-26 Fluorescent lamp lighting system

Country Status (7)

Country Link
EP (1) EP0020493B1 (es)
JP (1) JPS5598500A (es)
CA (1) CA1128605A (es)
DE (1) DE2967585D1 (es)
FR (1) FR2443183A2 (es)
MX (1) MX149353A (es)
WO (1) WO1980000776A1 (es)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2165407B (en) * 1984-10-02 1988-01-20 Ferranti Plc Gas laser power supply apparatus

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3114283A (en) * 1960-10-31 1963-12-17 Bausch & Lomb Light sensing method and apparatus therefor
US3482142A (en) * 1967-12-29 1969-12-02 Sylvania Electric Prod Regulating system for arc discharge devices having means to compensate for supply voltage and load variations
US3479560A (en) * 1967-12-29 1969-11-18 Sylvania Electric Prod Arc discharge regulating device having means to compensate for supply voltage variations
DE2019240A1 (de) * 1969-04-23 1970-11-12 Fuji Photo Film Co Ltd Kopiervorrichtung fuer Farbphotographie
CA1128604A (en) * 1977-11-07 1982-07-27 Don F. Widmayer Energy conserving automatic light output system

Also Published As

Publication number Publication date
EP0020493A1 (en) 1981-01-07
FR2443183B2 (es) 1984-06-15
JPS5598500A (en) 1980-07-26
EP0020493A4 (en) 1982-04-22
FR2443183A2 (fr) 1980-06-27
WO1980000776A1 (en) 1980-04-17
CA1128605A (en) 1982-07-27
MX149353A (es) 1983-10-26
EP0020493B1 (en) 1986-03-12

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee