CH472820A - Electronic brightness control device - Google Patents

Electronic brightness control device

Info

Publication number
CH472820A
CH472820A CH1504067A CH1504067A CH472820A CH 472820 A CH472820 A CH 472820A CH 1504067 A CH1504067 A CH 1504067A CH 1504067 A CH1504067 A CH 1504067A CH 472820 A CH472820 A CH 472820A
Authority
CH
Switzerland
Prior art keywords
control device
brightness control
electronic brightness
electronic
control
Prior art date
Application number
CH1504067A
Other languages
German (de)
Inventor
Urban Manfred
Original Assignee
Busch Jaeger Duerener Metall
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 Busch Jaeger Duerener Metall filed Critical Busch Jaeger Duerener Metall
Publication of CH472820A publication Critical patent/CH472820A/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
    • H05B39/00—Circuit arrangements or apparatus for operating incandescent light sources
    • H05B39/04—Controlling
    • H05B39/08—Controlling by shifting phase of trigger voltage applied to gas-filled controlling tubes also in controlled semiconductor devices
    • H05B39/083—Controlling by shifting phase of trigger voltage applied to gas-filled controlling tubes also in controlled semiconductor devices by the variation-rate of light intensity
    • 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
    • H05B41/3924—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor with possibility of light intensity variations by phase control, e.g. using a triac

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Selective Calling Equipment (AREA)
CH1504067A 1967-09-07 1967-10-26 Electronic brightness control device CH472820A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEB0094334 1967-09-07

Publications (1)

Publication Number Publication Date
CH472820A true CH472820A (en) 1969-05-15

Family

ID=6987508

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1504067A CH472820A (en) 1967-09-07 1967-10-26 Electronic brightness control device

Country Status (2)

Country Link
CH (1) CH472820A (en)
DE (1) DE1589098A1 (en)

Also Published As

Publication number Publication date
DE1589098A1 (en) 1970-03-26

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Legal Events

Date Code Title Description
PL Patent ceased