NL32239C - - Google Patents

Info

Publication number
NL32239C
NL32239C NL32239DA NL32239C NL 32239 C NL32239 C NL 32239C NL 32239D A NL32239D A NL 32239DA NL 32239 C NL32239 C NL 32239C
Authority
NL
Netherlands
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 NL32239C publication Critical patent/NL32239C/xx
Priority to US482425A priority Critical patent/US1913427A/en

Links

Classifications

    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J17/00Gas-filled discharge tubes with solid cathode
    • H01J17/50Thermionic-cathode tubes
    • H01J17/58Thermionic-cathode tubes with more than one cathode or anode
NL32239D 1930-09-17 NL32239C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US482425A US1913427A (en) 1930-09-17 1930-09-17 Electric discharge device

Publications (1)

Publication Number Publication Date
NL32239C true NL32239C (en)

Family

ID=23916019

Family Applications (1)

Application Number Title Priority Date Filing Date
NL32239D NL32239C (en) 1930-09-17

Country Status (4)

Country Link
US (1) US1913427A (en)
DE (1) DE675603C (en)
GB (1) GB379736A (en)
NL (1) NL32239C (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2432608A (en) * 1941-03-28 1947-12-16 Ncr Co Multianode, gas-filled discharge device
US2601528A (en) * 1946-07-13 1952-06-24 Sylvania Electric Prod Structure and internal shielding of electron tubes
US2476940A (en) * 1947-05-22 1949-07-19 Raytheon Mfg Co Subminiature type vacuum tube structure
US4230968A (en) * 1976-05-26 1980-10-28 Hitachi, Ltd. Cathode structure for magnetrons

Also Published As

Publication number Publication date
GB379736A (en) 1932-09-05
DE675603C (en) 1939-05-15
US1913427A (en) 1933-06-13

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