BE380161A - - Google Patents

Info

Publication number
BE380161A
BE380161A BE380161DA BE380161A BE 380161 A BE380161 A BE 380161A BE 380161D A BE380161D A BE 380161DA BE 380161 A BE380161 A BE 380161A
Authority
BE
Belgium
Application number
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.)
Publication of BE380161A publication Critical patent/BE380161A/xx

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J17/00Gas-filled discharge tubes with solid cathode
    • H01J17/50Thermionic-cathode tubes
    • H01J17/52Thermionic-cathode tubes with one cathode and one anode
    • H01J17/54Thermionic-cathode tubes with one cathode and one anode having one or more control electrodes
    • H01J17/56Thermionic-cathode tubes with one cathode and one anode having one or more control electrodes for preventing and then permitting ignition, but thereafter having no control
BE380161D 1930-05-31 BE380161A (en:Method)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US458850A US1917997A (en) 1930-05-31 1930-05-31 Electric discharge device

Publications (1)

Publication Number Publication Date
BE380161A true BE380161A (en:Method)

Family

ID=23822338

Family Applications (1)

Application Number Title Priority Date Filing Date
BE380161D BE380161A (en:Method) 1930-05-31

Country Status (2)

Country Link
US (1) US1917997A (en:Method)
BE (1) BE380161A (en:Method)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2556855A (en) * 1946-08-30 1951-06-12 Raytheon Mfg Co Gaseous discharge device

Also Published As

Publication number Publication date
US1917997A (en) 1933-07-11

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