CA1128604A - Energy conserving automatic light output system - Google Patents

Energy conserving automatic light output system

Info

Publication number
CA1128604A
CA1128604A CA297,162A CA297162A CA1128604A CA 1128604 A CA1128604 A CA 1128604A CA 297162 A CA297162 A CA 297162A CA 1128604 A CA1128604 A CA 1128604A
Authority
CA
Canada
Prior art keywords
ballast
lamp
current
voltage
light
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
CA297,162A
Other languages
English (en)
French (fr)
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of CA1128604A publication Critical patent/CA1128604A/en
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
    • H05B41/3922—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor with possibility of light intensity variations and measurement of the incident light
    • 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
    • H05B41/40—Controlling the intensity of light discontinuously
    • H05B41/42—Controlling the intensity of light discontinuously in two steps only

Landscapes

  • Circuit Arrangements For Discharge Lamps (AREA)
  • Discharge-Lamp Control Circuits And Pulse- Feed Circuits (AREA)
CA297,162A 1977-11-07 1978-02-17 Energy conserving automatic light output system Expired CA1128604A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US84942777A 1977-11-07 1977-11-07
US849,427 1977-11-07

Publications (1)

Publication Number Publication Date
CA1128604A true CA1128604A (en) 1982-07-27

Family

ID=25305752

Family Applications (1)

Application Number Title Priority Date Filing Date
CA297,162A Expired CA1128604A (en) 1977-11-07 1978-02-17 Energy conserving automatic light output system

Country Status (9)

Country Link
JP (1) JPS5466572A (es)
AU (1) AU527509B2 (es)
CA (1) CA1128604A (es)
DE (1) DE2848018A1 (es)
FR (1) FR2408273A1 (es)
GB (1) GB2007880B (es)
MX (1) MX147049A (es)
NL (1) NL7807659A (es)
SE (1) SE7807725L (es)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1128605A (en) * 1978-09-26 1982-07-27 Controlled Environment Systems, Inc. Energy conserving automatic light output system
EP0017615A1 (de) * 1979-03-14 1980-10-15 Peter Jucker Vorrichtung zur Helligkeitssteuerung von Fluoreszenzlampen und ihre Verwendung
GB2145587B (en) * 1983-08-25 1987-06-10 Lutron Electronics Co Gas discharging lamp dimming system
DE3524681A1 (de) * 1985-07-11 1987-01-22 Trilux Lenze Gmbh & Co Kg Dimmerschaltung fuer ein elektronisches leuchtstofflampen-vorschaltgeraet
DE3633566A1 (de) * 1986-10-02 1988-04-21 Guenter Steinbach Schaltungsanordnung fuer geregelte hochenergieimpulserzeugung fuer gasentladungsblitzlampen

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1366032A (fr) * 1963-05-03 1964-07-10 Thomson Houston Comp Francaise Dispositif pour le fonctionnement des appareils à décharge électrique
JPS4219891Y1 (es) * 1964-12-29 1967-11-17
US3422310A (en) * 1965-06-14 1969-01-14 Don F Widmayer Apparatus for controlling current to load independent of load characteristics
FR1483350A (fr) * 1966-06-14 1967-06-02 Dispositif de réglage d'un courant électrique notamment celui fourni à une lampe à décharge en atmosphère gazeuse
CH481550A (de) * 1967-12-21 1969-11-15 Frako Kondensatoren Und App Ba Schaltungsanordnung mit einer Gasentladungslampe
US3603841A (en) * 1968-03-01 1971-09-07 Matsushita Electronics Corp Fluorescent lamp device with luminosity control
US3909666A (en) * 1973-12-26 1975-09-30 Stanley N Tenen Ballast circuit for gaseous discharge lamps
DE2646621A1 (de) * 1976-10-15 1978-04-20 Penguin Marketing Ltd Vorschaltgeraet zum betrieb von gasentladungslampen

Also Published As

Publication number Publication date
MX147049A (es) 1982-09-27
GB2007880B (en) 1982-09-08
AU527509B2 (en) 1983-03-10
NL7807659A (nl) 1979-05-09
DE2848018A1 (de) 1979-05-10
FR2408273B1 (es) 1984-09-14
AU3723878A (en) 1980-01-03
GB2007880A (en) 1979-05-23
FR2408273A1 (fr) 1979-06-01
SE7807725L (sv) 1979-05-08
JPS5466572A (en) 1979-05-29

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Legal Events

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