NL39614C - - Google Patents

Info

Publication number
NL39614C
NL39614C NL69354A NL69354A NL39614C NL 39614 C NL39614 C NL 39614C NL 69354 A NL69354 A NL 69354A NL 69354 A NL69354 A NL 69354A NL 39614 C NL39614 C NL 39614C
Authority
NL
Netherlands
Application number
NL69354A
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 NL39614C publication Critical patent/NL39614C/xx

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J17/00—Gas-filled discharge tubes with solid cathode
    • H01J17/50—Thermionic-cathode tubes
    • H01J17/52—Thermionic-cathode tubes with one cathode and one anode
    • H01J17/54—Thermionic-cathode tubes with one cathode and one anode having one or more control electrodes
    • H01J17/56—Thermionic-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
NL69354A 1933-05-05 1934-05-05 NL39614C (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US669503A US1989461A (en) 1933-05-05 1933-05-05 Ionic amplifier

Publications (1)

Publication Number Publication Date
NL39614C true NL39614C (fr) 1936-12-15

Family

ID=24686566

Family Applications (1)

Application Number Title Priority Date Filing Date
NL69354A NL39614C (fr) 1933-05-05 1934-05-05

Country Status (5)

Country Link
US (1) US1989461A (fr)
BE (1) BE403213A (fr)
FR (1) FR789133A (fr)
GB (1) GB438961A (fr)
NL (1) NL39614C (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2620460A (en) * 1941-04-10 1952-12-02 Gen Motors Corp Gas tube
US2495908A (en) * 1948-07-16 1950-01-31 Sylvania Electric Prod Thermionic discharge device

Also Published As

Publication number Publication date
GB438961A (en) 1935-11-27
BE403213A (fr) 1934-06-30
FR789133A (fr) 1935-10-23
US1989461A (en) 1935-01-29

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