ATA321476A - CIRCUIT FOR BRIGHTNESS CONTROL FOR LUMINOUS LAMPS WITH VARIABLE BALANCING INDUCTIVITIES - Google Patents

CIRCUIT FOR BRIGHTNESS CONTROL FOR LUMINOUS LAMPS WITH VARIABLE BALANCING INDUCTIVITIES

Info

Publication number
ATA321476A
ATA321476A AT321476A AT321476A ATA321476A AT A321476 A ATA321476 A AT A321476A AT 321476 A AT321476 A AT 321476A AT 321476 A AT321476 A AT 321476A AT A321476 A ATA321476 A AT A321476A
Authority
AT
Austria
Prior art keywords
inductivities
circuit
brightness control
luminous lamps
variable balancing
Prior art date
Application number
AT321476A
Other languages
German (de)
Other versions
AT345931B (en
Inventor
Ernst Ing Wiesner
Original Assignee
Zumtobel Kg
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 Zumtobel Kg filed Critical Zumtobel Kg
Priority to AT321476A priority Critical patent/AT345931B/en
Priority to CH479377A priority patent/CH614087A5/en
Priority to DE19772718682 priority patent/DE2718682A1/en
Publication of ATA321476A publication Critical patent/ATA321476A/en
Application granted granted Critical
Publication of AT345931B publication Critical patent/AT345931B/en

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
    • H05B41/40—Controlling the intensity of light discontinuously
    • H05B41/42—Controlling the intensity of light discontinuously in two steps only
AT321476A 1976-04-30 1976-04-30 CIRCUIT FOR BRIGHTNESS CONTROL FOR LUMINOUS LAMPS WITH VARIABLE BALANCING INDUCTIVITIES AT345931B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
AT321476A AT345931B (en) 1976-04-30 1976-04-30 CIRCUIT FOR BRIGHTNESS CONTROL FOR LUMINOUS LAMPS WITH VARIABLE BALANCING INDUCTIVITIES
CH479377A CH614087A5 (en) 1976-04-30 1977-04-19 Circuit arrangement on a fluorescent lamp provided with variable series inductance for brightness control of the lamp
DE19772718682 DE2718682A1 (en) 1976-04-30 1977-04-27 CIRCUIT FOR BRIGHTNESS CONTROL FOR LUMINOUS LAMPS WITH VARIABLE BALANCING INDUCTIVITIES

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT321476A AT345931B (en) 1976-04-30 1976-04-30 CIRCUIT FOR BRIGHTNESS CONTROL FOR LUMINOUS LAMPS WITH VARIABLE BALANCING INDUCTIVITIES

Publications (2)

Publication Number Publication Date
ATA321476A true ATA321476A (en) 1978-02-15
AT345931B AT345931B (en) 1978-10-10

Family

ID=3547121

Family Applications (1)

Application Number Title Priority Date Filing Date
AT321476A AT345931B (en) 1976-04-30 1976-04-30 CIRCUIT FOR BRIGHTNESS CONTROL FOR LUMINOUS LAMPS WITH VARIABLE BALANCING INDUCTIVITIES

Country Status (3)

Country Link
AT (1) AT345931B (en)
CH (1) CH614087A5 (en)
DE (1) DE2718682A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3740676A1 (en) * 1987-12-01 1989-06-22 Erzmoneit Dorit CIRCUIT ARRANGEMENT FOR ENERGY SAVING BY INDUCTIVE MAINS VOLTAGE REDUCTION FOR LOW AND HIGH PRESSURE DISCHARGE LAMPS AND MERCURY VAPOR LAMP

Also Published As

Publication number Publication date
DE2718682A1 (en) 1977-11-10
CH614087A5 (en) 1979-10-31
AT345931B (en) 1978-10-10

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee
ELJ Ceased due to non-payment of the annual fee