FR1378423A - Perfectionnements aux circuits de commande pour lampes fluroescentes - Google Patents

Perfectionnements aux circuits de commande pour lampes fluroescentes

Info

Publication number
FR1378423A
FR1378423A FR956745A FR956745A FR1378423A FR 1378423 A FR1378423 A FR 1378423A FR 956745 A FR956745 A FR 956745A FR 956745 A FR956745 A FR 956745A FR 1378423 A FR1378423 A FR 1378423A
Authority
FR
France
Prior art keywords
control circuits
fluorescent lamps
lamps
fluorescent
circuits
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
FR956745A
Other languages
English (en)
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Priority to FR956745A priority Critical patent/FR1378423A/fr
Application granted granted Critical
Publication of FR1378423A publication Critical patent/FR1378423A/fr
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
    • H05B41/3924—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
    • 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
    • H05B41/16—Circuit arrangements in which the lamp is fed by dc or by low-frequency ac, e.g. by 50 cycles/sec ac, or with network frequencies
    • H05B41/20—Circuit arrangements in which the lamp is fed by dc or by low-frequency ac, e.g. by 50 cycles/sec ac, or with network frequencies having no starting switch
    • H05B41/23—Circuit arrangements in which the lamp is fed by dc or by low-frequency ac, e.g. by 50 cycles/sec ac, or with network frequencies having no starting switch for lamps not having an auxiliary starting electrode
    • H05B41/232—Circuit arrangements in which the lamp is fed by dc or by low-frequency ac, e.g. by 50 cycles/sec ac, or with network frequencies having no starting switch for lamps not having an auxiliary starting electrode for low-pressure lamps

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
FR956745A 1963-12-11 1963-12-11 Perfectionnements aux circuits de commande pour lampes fluroescentes Expired FR1378423A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR956745A FR1378423A (fr) 1963-12-11 1963-12-11 Perfectionnements aux circuits de commande pour lampes fluroescentes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR956745A FR1378423A (fr) 1963-12-11 1963-12-11 Perfectionnements aux circuits de commande pour lampes fluroescentes

Publications (1)

Publication Number Publication Date
FR1378423A true FR1378423A (fr) 1964-11-13

Family

ID=8818566

Family Applications (1)

Application Number Title Priority Date Filing Date
FR956745A Expired FR1378423A (fr) 1963-12-11 1963-12-11 Perfectionnements aux circuits de commande pour lampes fluroescentes

Country Status (1)

Country Link
FR (1) FR1378423A (fr)

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