FR542162A - Valve thermionique - Google Patents

Valve thermionique

Info

Publication number
FR542162A
FR542162A FR542162DA FR542162A FR 542162 A FR542162 A FR 542162A FR 542162D A FR542162D A FR 542162DA FR 542162 A FR542162 A FR 542162A
Authority
FR
France
Prior art keywords
thermionic valve
thermionic
valve
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.)
Radiotechnique SA
Original Assignee
Radiotechnique SA
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 Radiotechnique SA filed Critical Radiotechnique SA
Application granted granted Critical
Publication of FR542162A publication Critical patent/FR542162A/fr
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
    • H01J19/02—Electron-emitting electrodes; Cathodes
    • 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
FR542162D 1921-10-11 1921-10-11 Valve thermionique Expired FR542162A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR542162T 1921-10-11

Publications (1)

Publication Number Publication Date
FR542162A true FR542162A (fr) 1922-08-07

Family

ID=8930676

Family Applications (1)

Application Number Title Priority Date Filing Date
FR542162D Expired FR542162A (fr) 1921-10-11 1921-10-11 Valve thermionique

Country Status (1)

Country Link
FR (1) FR542162A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE764007C (de) * 1937-10-09 1954-05-10 Siemens Schuckertwerke A G In seiner Arbeitsleistung gesteuertes elektrisches Gas- oder Dampfentladungsgefaess

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE764007C (de) * 1937-10-09 1954-05-10 Siemens Schuckertwerke A G In seiner Arbeitsleistung gesteuertes elektrisches Gas- oder Dampfentladungsgefaess

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