FR869463A - Tube d'éclairage électrique à basse pression - Google Patents

Tube d'éclairage électrique à basse pression

Info

Publication number
FR869463A
FR869463A FR869463DA FR869463A FR 869463 A FR869463 A FR 869463A FR 869463D A FR869463D A FR 869463DA FR 869463 A FR869463 A FR 869463A
Authority
FR
France
Prior art keywords
low pressure
electric light
light tube
pressure electric
tube
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
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.)
Osram GmbH
Original Assignee
Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH
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 Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH filed Critical Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH
Application granted granted Critical
Publication of FR869463A publication Critical patent/FR869463A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/04—Electrodes; Screens; Shields
    • H01J61/06—Main electrodes
    • H01J61/067—Main electrodes for low-pressure discharge lamps
    • H01J61/0672—Main electrodes for low-pressure discharge lamps characterised by the construction of the electrode
    • 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
FR869463D 1940-05-04 1941-01-23 Tube d'éclairage électrique à basse pression Expired FR869463A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE218223X 1940-05-04

Publications (1)

Publication Number Publication Date
FR869463A true FR869463A (fr) 1942-02-03

Family

ID=5831184

Family Applications (1)

Application Number Title Priority Date Filing Date
FR869463D Expired FR869463A (fr) 1940-05-04 1941-01-23 Tube d'éclairage électrique à basse pression

Country Status (4)

Country Link
BE (1) BE437143A (fr)
CH (1) CH218223A (fr)
FR (1) FR869463A (fr)
GB (1) GB523924A (fr)

Also Published As

Publication number Publication date
BE437143A (fr)
GB523924A (en) 1940-07-25
CH218223A (de) 1941-11-30

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