FR571112A - Improvements to thermo-ionic devices - Google Patents

Improvements to thermo-ionic devices

Info

Publication number
FR571112A
FR571112A FR571112DA FR571112A FR 571112 A FR571112 A FR 571112A FR 571112D A FR571112D A FR 571112DA FR 571112 A FR571112 A FR 571112A
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
Henri Abraham
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 FR571112A publication Critical patent/FR571112A/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
    • H01J19/28—Non-electron-emitting electrodes; Screens
    • 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
    • H01J2893/0012—Constructional arrangements
    • H01J2893/0013—Sealed electrodes
FR571112D 1922-12-06 1922-12-06 Improvements to thermo-ionic devices Expired FR571112A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR571112T 1922-12-06

Publications (1)

Publication Number Publication Date
FR571112A true FR571112A (en) 1924-05-12

Family

ID=8950326

Family Applications (1)

Application Number Title Priority Date Filing Date
FR571112D Expired FR571112A (en) 1922-12-06 1922-12-06 Improvements to thermo-ionic devices

Country Status (1)

Country Link
FR (1) FR571112A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE746926C (en) * 1936-08-27 1944-08-30 Siemens Ag High vacuum rectifier tubes for high voltages

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE746926C (en) * 1936-08-27 1944-08-30 Siemens Ag High vacuum rectifier tubes for high voltages

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