MX149353A - Mejoras en sistema de iluminacion de lamparas fluores centes - Google Patents

Mejoras en sistema de iluminacion de lamparas fluores centes

Info

Publication number
MX149353A
MX149353A MX17938979A MX17938979A MX149353A MX 149353 A MX149353 A MX 149353A MX 17938979 A MX17938979 A MX 17938979A MX 17938979 A MX17938979 A MX 17938979A MX 149353 A MX149353 A MX 149353A
Authority
MX
Mexico
Prior art keywords
fluores
lighting system
center lamps
lamps
center
Prior art date
Application number
MX17938979A
Other languages
English (en)
Inventor
Don Frederick Widmayer
Original Assignee
Controlled Environment Syst
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 Environment Syst filed Critical Controlled Environment Syst
Publication of MX149353A publication Critical patent/MX149353A/es

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
MX17938979A 1978-09-26 1979-09-25 Mejoras en sistema de iluminacion de lamparas fluores centes MX149353A (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US94584278A 1978-09-26 1978-09-26

Publications (1)

Publication Number Publication Date
MX149353A true MX149353A (es) 1983-10-26

Family

ID=25483619

Family Applications (1)

Application Number Title Priority Date Filing Date
MX17938979A MX149353A (es) 1978-09-26 1979-09-25 Mejoras en sistema de iluminacion de lamparas fluores centes

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
DE2967585D1 (en) 1986-04-17
JPS5598500A (en) 1980-07-26
FR2443183A2 (fr) 1980-06-27
FR2443183B2 (es) 1984-06-15
EP0020493A4 (en) 1982-04-22
CA1128605A (en) 1982-07-27
EP0020493B1 (en) 1986-03-12
EP0020493A1 (en) 1981-01-07
WO1980000776A1 (en) 1980-04-17

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