FR31776E - Improvements to thermo-ionic devices - Google Patents

Improvements to thermo-ionic devices

Info

Publication number
FR31776E
FR31776E FR31776DA FR31776E FR 31776 E FR31776 E FR 31776E FR 31776D A FR31776D A FR 31776DA FR 31776 E FR31776 E FR 31776E
Authority
FR
France
Prior art keywords
thermo
ionic devices
ionic
devices
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)
Inventor
Fernand Holweck
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 filed Critical
Application granted granted Critical
Publication of FR31776E publication Critical patent/FR31776E/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J19/00—Details of vacuum tubes of the types covered by group H01J21/00
    • H01J19/42—Mounting, supporting, spacing, or insulating of electrodes or of electrode assemblies
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00—Discharge tubes and lamps
    • H01J2893/0001—Electrodes and electrode systems suitable for discharge tubes or lamps
    • H01J2893/0002—Construction arrangements of electrode systems
FR31776D 1925-08-05 1925-08-05 Improvements to thermo-ionic devices Expired FR31776E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR31776T 1925-08-05

Publications (1)

Publication Number Publication Date
FR31776E true FR31776E (en) 1927-06-11

Family

ID=8669562

Family Applications (1)

Application Number Title Priority Date Filing Date
FR31776D Expired FR31776E (en) 1925-08-05 1925-08-05 Improvements to thermo-ionic devices

Country Status (1)

Country Link
FR (1) FR31776E (en)

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