FR27317E - Improvements to such vacuum tubes - Google Patents

Improvements to such vacuum tubes

Info

Publication number
FR27317E
FR27317E FR27317DA FR27317E FR 27317 E FR27317 E FR 27317E FR 27317D A FR27317D A FR 27317DA FR 27317 E FR27317 E FR 27317E
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)
Inventor
Francois Peri
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 FR27317E publication Critical patent/FR27317E/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
FR27317D 1922-10-12 1922-10-12 Improvements to such vacuum tubes Expired FR27317E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR27317T 1922-10-12

Publications (1)

Publication Number Publication Date
FR27317E true FR27317E (en) 1924-06-06

Family

ID=8665646

Family Applications (1)

Application Number Title Priority Date Filing Date
FR27317D Expired FR27317E (en) 1922-10-12 1922-10-12 Improvements to such vacuum tubes

Country Status (1)

Country Link
FR (1) FR27317E (en)

Similar Documents

Publication Publication Date Title
FR562660A (en) Improvements to electron tubes
FR573907A (en) Improvements to electric vacuum tubes
FR582662A (en) Improvements to electric vacuum tubes
FR27340E (en) Improvements to such vacuum tubes
FR569221A (en) Improvements to such vacuum tubes
FR27317E (en) Improvements to such vacuum tubes
FR573992A (en) Improvements to vacuum tubes
FR28086E (en) Improvements to such vacuum tubes
FR28945E (en) Improvements to such vacuum tubes
FR587845A (en) Improvements to electric vacuum tubes
FR608896A (en) Improvements to electric vacuum tubes
FR559462A (en) Improvements to vacuum tubes
FR562647A (en) Improvements to vacuum tubes
FR540056A (en) Improvements to vacuum tubes
FR517113A (en) Vacuum cleaner improvements
FR642366A (en) Improvements to vacuum tubes
FR567804A (en) Improvements to vacuum tubes
FR563567A (en) Special grid for vacuum tubes with three such electrodes
FR29136E (en) Improvements to vacuum tubes
FR548088A (en) Vacuum cleaner
FR526385A (en) Vacuum tube
FR582698A (en) Improvements to electric vacuum tubes
FR586723A (en) Improvements to electric vacuum tubes
FR582485A (en) Improvements to electric vacuum tubes
FR587928A (en) Improvements to electric vacuum tubes