FR789133A - Perfectionnements aux amplificateurs thermo-ioniques - Google Patents

Perfectionnements aux amplificateurs thermo-ioniques

Info

Publication number
FR789133A
FR789133A FR789133DA FR789133A FR 789133 A FR789133 A FR 789133A FR 789133D A FR789133D A FR 789133DA FR 789133 A FR789133 A FR 789133A
Authority
FR
France
Prior art keywords
thermo
amplifiers
ionic
ionic amplifiers
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
English (en)
Inventor
Ruben
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 FR789133A publication Critical patent/FR789133A/fr
Expired legal-status Critical Current

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
FR789133D 1933-05-05 1934-05-22 Perfectionnements aux amplificateurs thermo-ioniques Expired FR789133A (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
FR789133A true FR789133A (fr) 1935-10-23

Family

ID=24686566

Family Applications (1)

Application Number Title Priority Date Filing Date
FR789133D Expired FR789133A (fr) 1933-05-05 1934-05-22 Perfectionnements aux amplificateurs thermo-ioniques

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
US1989461A (en) 1935-01-29
NL39614C (fr) 1936-12-15
BE403213A (fr) 1934-06-30
GB438961A (en) 1935-11-27

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