FR2441990B1 - - Google Patents

Info

Publication number
FR2441990B1
FR2441990B1 FR7832534A FR7832534A FR2441990B1 FR 2441990 B1 FR2441990 B1 FR 2441990B1 FR 7832534 A FR7832534 A FR 7832534A FR 7832534 A FR7832534 A FR 7832534A FR 2441990 B1 FR2441990 B1 FR 2441990B1
Authority
FR
France
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
FR7832534A
Other languages
French (fr)
Other versions
FR2441990A1 (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 des Lampes
Original Assignee
Compagnie des Lampes
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 des Lampes filed Critical Compagnie des Lampes
Priority to FR7832534A priority Critical patent/FR2441990A1/en
Publication of FR2441990A1 publication Critical patent/FR2441990A1/en
Application granted granted Critical
Publication of FR2441990B1 publication Critical patent/FR2441990B1/fr
Granted 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
    • H05B41/02—Details
    • H05B41/04—Starting switches
    • H05B41/042—Starting switches using semiconductor devices
    • H05B41/044—Starting switches using semiconductor devices for lamp provided with pre-heating electrodes
    • H05B41/046—Starting switches using semiconductor devices for lamp provided with pre-heating electrodes using controlled semiconductor devices
FR7832534A 1978-11-17 1978-11-17 Fluorescent tube firing circuit - has triac fired to draw DC heating current through tube electrodes and ceases operation once tube fires or fails Granted FR2441990A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7832534A FR2441990A1 (en) 1978-11-17 1978-11-17 Fluorescent tube firing circuit - has triac fired to draw DC heating current through tube electrodes and ceases operation once tube fires or fails

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7832534A FR2441990A1 (en) 1978-11-17 1978-11-17 Fluorescent tube firing circuit - has triac fired to draw DC heating current through tube electrodes and ceases operation once tube fires or fails

Publications (2)

Publication Number Publication Date
FR2441990A1 FR2441990A1 (en) 1980-06-13
FR2441990B1 true FR2441990B1 (en) 1981-09-11

Family

ID=9215019

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7832534A Granted FR2441990A1 (en) 1978-11-17 1978-11-17 Fluorescent tube firing circuit - has triac fired to draw DC heating current through tube electrodes and ceases operation once tube fires or fails

Country Status (1)

Country Link
FR (1) FR2441990A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0327404A1 (en) * 1988-02-04 1989-08-09 Century International Ltd. Electronic ballast and starter circuit
IN176607B (en) * 1989-09-07 1996-08-03 Council Scient Ind Res

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1513017A (en) * 1966-03-04 1968-02-09 Ass Elect Ind Power supply device for electric discharge lamps
NL158054B (en) * 1968-11-20 1978-09-15 Auco Nv AUXILIARY DEVICE PROVIDED WITH TWO CONNECTING DEVICES FOR IGNITIONING A GAS DISCHARGE TUBE.
NL7613356A (en) * 1976-12-01 1978-06-05 Philips Nv STARTER FOR IGNITIONING A GAS AND / OR VAPOR DISCHARGE LAMP.

Also Published As

Publication number Publication date
FR2441990A1 (en) 1980-06-13

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Legal Events

Date Code Title Description
ST Notification of lapse