FR526385A - Tube à vide - Google Patents

Tube à vide

Info

Publication number
FR526385A
FR526385A FR526385A FR526385DA FR526385A FR 526385 A FR526385 A FR 526385A FR 526385 A FR526385 A FR 526385A FR 526385D A FR526385D A FR 526385DA FR 526385 A FR526385 A FR 526385A
Authority
FR
France
Prior art keywords
vacuum tube
vacuum
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
FR526385A
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.)
FRANKLIN IND GmbH
Original Assignee
FRANKLIN IND GmbH
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 FRANKLIN IND GmbH filed Critical FRANKLIN IND GmbH
Application granted granted Critical
Publication of FR526385A publication Critical patent/FR526385A/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
    • H05B41/16—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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J65/00—Lamps without any electrode inside the vessel; Lamps with at least one main electrode outside the vessel
    • H01J65/04—Lamps in which a gas filling is excited to luminesce by an external electromagnetic field or by external corpuscular radiation, e.g. for indicating plasma display panels
    • H01J65/042—Lamps in which a gas filling is excited to luminesce by an external electromagnetic field or by external corpuscular radiation, e.g. for indicating plasma display panels by an external electromagnetic field

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Discharge-Lamp Control Circuits And Pulse- Feed Circuits (AREA)
  • Discharge Lamps And Accessories Thereof (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
FR526385A 1919-10-25 1920-10-22 Tube à vide Expired FR526385A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DESCH56517D DE383061C (de) 1919-10-25 1919-10-25 Mit einer Aussenelektrode versehene elektrische Vakuumroehre

Publications (1)

Publication Number Publication Date
FR526385A true FR526385A (fr) 1921-10-07

Family

ID=7436878

Family Applications (1)

Application Number Title Priority Date Filing Date
FR526385A Expired FR526385A (fr) 1919-10-25 1920-10-22 Tube à vide

Country Status (3)

Country Link
DE (2) DE341800C (fr)
FR (1) FR526385A (fr)
GB (2) GB153002A (fr)

Also Published As

Publication number Publication date
DE341800C (de) 1921-10-08
DE383061C (de) 1923-10-09
GB153002A (en) 1922-01-25
GB153003A (en) 1922-01-25

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