FR731947A - Improvements to vacuum tubes - Google Patents

Improvements to vacuum tubes

Info

Publication number
FR731947A
FR731947A FR731947DA FR731947A FR 731947 A FR731947 A FR 731947A FR 731947D A FR731947D A FR 731947DA FR 731947 A FR731947 A FR 731947A
Authority
FR
France
Prior art keywords
vacuum tubes
tubes
vacuum
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.)
ELECSON
Original Assignee
ELECSON
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 ELECSON filed Critical ELECSON
Application granted granted Critical
Publication of FR731947A publication Critical patent/FR731947A/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
    • H01J19/50—Spacing members extending to the envelope
    • H01J19/52—Spacing members extending to the envelope without fixed connection between spacing member and envelope
    • 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
    • H01J2893/0005—Fixing of electrodes
    • H01J2893/0009—Electrode system pressing against vessel wall
FR731947D 1931-04-22 1931-04-22 Improvements to vacuum tubes Expired FR731947A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR731947T 1931-04-22

Publications (1)

Publication Number Publication Date
FR731947A true FR731947A (en) 1932-09-10

Family

ID=9120171

Family Applications (1)

Application Number Title Priority Date Filing Date
FR731947D Expired FR731947A (en) 1931-04-22 1931-04-22 Improvements to vacuum tubes

Country Status (1)

Country Link
FR (1) FR731947A (en)

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