FR706921A - Improvements to thermionic tubes - Google Patents

Improvements to thermionic tubes

Info

Publication number
FR706921A
FR706921A FR706921DA FR706921A FR 706921 A FR706921 A FR 706921A FR 706921D A FR706921D A FR 706921DA FR 706921 A FR706921 A FR 706921A
Authority
FR
France
Prior art keywords
thermionic tubes
thermionic
tubes
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)
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.)
Arcturus Radio Tube Co
Original Assignee
Arcturus Radio Tube Co
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 Arcturus Radio Tube Co filed Critical Arcturus Radio Tube Co
Application granted granted Critical
Publication of FR706921A publication Critical patent/FR706921A/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
FR706921D 1929-12-02 1930-11-13 Improvements to thermionic tubes Expired FR706921A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US706921XA 1929-12-02 1929-12-02

Publications (1)

Publication Number Publication Date
FR706921A true FR706921A (en) 1931-07-01

Family

ID=22096828

Family Applications (1)

Application Number Title Priority Date Filing Date
FR706921D Expired FR706921A (en) 1929-12-02 1930-11-13 Improvements to thermionic tubes

Country Status (1)

Country Link
FR (1) FR706921A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE757350C (en) * 1936-02-26 1954-08-02 Rca Corp Electron tubes

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE757350C (en) * 1936-02-26 1954-08-02 Rca Corp Electron tubes

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