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 (pl)

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 (pl)

Family

ID=23822338

Family Applications (1)

Application Number Title Priority Date Filing Date
BE380161D BE380161A (pl) 1930-05-31

Country Status (2)

Country Link
US (1) US1917997A (pl)
BE (1) BE380161A (pl)

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

Similar Documents

Publication Publication Date Title
FR44103E (pl)
FR674209A (pl)
FR673973A (pl)
FR673370A (pl)
FR674026A (pl)
FR674807A (pl)
FR676077A (pl)
FR676028A (pl)
BE380341A (pl)
BE382719A (pl)
BE375512A (pl)
BE376814A (pl)
BE377083A (pl)
BE377494A (pl)
BE377614A (pl)
BE377942A (pl)
BE378112A (pl)
BE378298A (pl)
BE378312A (pl)
BE378412A (pl)
BE379444A (pl)
BE379607A (pl)
BE380166A (pl)
BE380281A (pl)
BE373581A (pl)