FR2491230A3 - Systeme de regulation de flux lumineux agissant par corrections successives - Google Patents

Systeme de regulation de flux lumineux agissant par corrections successives Download PDF

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Publication number
FR2491230A3
FR2491230A3 FR8020918A FR8020918A FR2491230A3 FR 2491230 A3 FR2491230 A3 FR 2491230A3 FR 8020918 A FR8020918 A FR 8020918A FR 8020918 A FR8020918 A FR 8020918A FR 2491230 A3 FR2491230 A3 FR 2491230A3
Authority
FR
France
Prior art keywords
counter
circuit
signal
digital
down counter
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.)
Granted
Application number
FR8020918A
Other languages
English (en)
French (fr)
Other versions
FR2491230B3 (enrdf_load_stackoverflow
Inventor
Jean Planelle
Gerard Guibal
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
Priority to FR8020918A priority Critical patent/FR2491230A3/fr
Publication of FR2491230A3 publication Critical patent/FR2491230A3/fr
Application granted granted Critical
Publication of FR2491230B3 publication Critical patent/FR2491230B3/fr
Granted legal-status Critical Current

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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

Landscapes

  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
FR8020918A 1980-09-30 1980-09-30 Systeme de regulation de flux lumineux agissant par corrections successives Granted FR2491230A3 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8020918A FR2491230A3 (fr) 1980-09-30 1980-09-30 Systeme de regulation de flux lumineux agissant par corrections successives

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8020918A FR2491230A3 (fr) 1980-09-30 1980-09-30 Systeme de regulation de flux lumineux agissant par corrections successives

Publications (2)

Publication Number Publication Date
FR2491230A3 true FR2491230A3 (fr) 1982-04-02
FR2491230B3 FR2491230B3 (enrdf_load_stackoverflow) 1982-09-03

Family

ID=9246418

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8020918A Granted FR2491230A3 (fr) 1980-09-30 1980-09-30 Systeme de regulation de flux lumineux agissant par corrections successives

Country Status (1)

Country Link
FR (1) FR2491230A3 (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0106672A1 (en) * 1982-10-15 1984-04-25 Ncr Canada Ltd - Ncr Canada Ltee System for scanning information from moving objects employing automatic light control
WO2016020334A3 (en) * 2014-08-08 2016-04-21 Philips Lighting Holding B.V. Converter with control loop

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0106672A1 (en) * 1982-10-15 1984-04-25 Ncr Canada Ltd - Ncr Canada Ltee System for scanning information from moving objects employing automatic light control
WO2016020334A3 (en) * 2014-08-08 2016-04-21 Philips Lighting Holding B.V. Converter with control loop
US10271389B2 (en) 2014-08-08 2019-04-23 Signify Holding B.V. Converter with control loop

Also Published As

Publication number Publication date
FR2491230B3 (enrdf_load_stackoverflow) 1982-09-03

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