FR947303A - Improvements to the device for initiating and controlling discharge tubes - Google Patents

Improvements to the device for initiating and controlling discharge tubes

Info

Publication number
FR947303A
FR947303A FR947303DA FR947303A FR 947303 A FR947303 A FR 947303A FR 947303D A FR947303D A FR 947303DA FR 947303 A FR947303 A FR 947303A
Authority
FR
France
Prior art keywords
initiating
discharge tubes
controlling discharge
controlling
tubes
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
Other languages
French (fr)
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
Application granted granted Critical
Publication of FR947303A publication Critical patent/FR947303A/en
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
    • H05B41/16—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
    • H05B41/2325—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 provided with pre-heating electrodes
FR947303D 1942-04-21 1947-05-29 Improvements to the device for initiating and controlling discharge tubes Expired FR947303A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US947303XA 1942-04-21 1942-04-21

Publications (1)

Publication Number Publication Date
FR947303A true FR947303A (en) 1949-06-29

Family

ID=22246818

Family Applications (1)

Application Number Title Priority Date Filing Date
FR947303D Expired FR947303A (en) 1942-04-21 1947-05-29 Improvements to the device for initiating and controlling discharge tubes

Country Status (1)

Country Link
FR (1) FR947303A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE960912C (en) * 1952-07-29 1957-03-28 Siemens Ag Device for operating gas discharge paths, in particular fluorescent lamps, connected in series

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE960912C (en) * 1952-07-29 1957-03-28 Siemens Ag Device for operating gas discharge paths, in particular fluorescent lamps, connected in series

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