FR777258A - Improvements to electric discharge tubes - Google Patents

Improvements to electric discharge tubes

Info

Publication number
FR777258A
FR777258A FR777258DA FR777258A FR 777258 A FR777258 A FR 777258A FR 777258D A FR777258D A FR 777258DA FR 777258 A FR777258 A FR 777258A
Authority
FR
France
Prior art keywords
electric discharge
discharge tubes
tubes
electric
discharge
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.)
Claude Paz et Visseaux SA
Original Assignee
Societe Anonyme pour les Applications de lElectricite et des Gaz Rares Etablissement Claude Paz et Silva
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 Societe Anonyme pour les Applications de lElectricite et des Gaz Rares Etablissement Claude Paz et Silva filed Critical Societe Anonyme pour les Applications de lElectricite et des Gaz Rares Etablissement Claude Paz et Silva
Application granted granted Critical
Publication of FR777258A publication Critical patent/FR777258A/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
FR777258D 1933-11-04 1933-11-04 Improvements to electric discharge tubes Expired FR777258A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR777258T 1933-11-04

Publications (1)

Publication Number Publication Date
FR777258A true FR777258A (en) 1935-02-15

Family

ID=9201496

Family Applications (1)

Application Number Title Priority Date Filing Date
FR777258D Expired FR777258A (en) 1933-11-04 1933-11-04 Improvements to electric discharge tubes

Country Status (1)

Country Link
FR (1) FR777258A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3313916A1 (en) * 1982-04-21 1983-10-27 Osakeyhtiö Helvar, 00380 Helsinki METHOD AND DEVICE FOR SUPPLYING A GAS DISCHARGE LAMP WITH A HIGH-FREQUENCY AC

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3313916A1 (en) * 1982-04-21 1983-10-27 Osakeyhtiö Helvar, 00380 Helsinki METHOD AND DEVICE FOR SUPPLYING A GAS DISCHARGE LAMP WITH A HIGH-FREQUENCY AC

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