FR774088A - Improvements to thermionic amplifiers - Google Patents

Improvements to thermionic amplifiers

Info

Publication number
FR774088A
FR774088A FR774088DA FR774088A FR 774088 A FR774088 A FR 774088A FR 774088D A FR774088D A FR 774088DA FR 774088 A FR774088 A FR 774088A
Authority
FR
France
Prior art keywords
thermionic amplifiers
thermionic
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
French (fr)
Inventor
Samuel 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 FR774088A publication Critical patent/FR774088A/en
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
FR774088D 1933-12-16 1934-06-02 Improvements to thermionic amplifiers Expired FR774088A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US702667A US1989462A (en) 1933-12-16 1933-12-16 Ionic amplifier

Publications (1)

Publication Number Publication Date
FR774088A true FR774088A (en) 1934-11-30

Family

ID=24822148

Family Applications (1)

Application Number Title Priority Date Filing Date
FR774088D Expired FR774088A (en) 1933-12-16 1934-06-02 Improvements to thermionic amplifiers

Country Status (5)

Country Link
US (1) US1989462A (en)
BE (1) BE403775A (en)
ES (1) ES134642A1 (en)
FR (1) FR774088A (en)
GB (1) GB439879A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2495908A (en) * 1948-07-16 1950-01-31 Sylvania Electric Prod Thermionic discharge device
CN102592946A (en) * 2012-02-26 2012-07-18 烟台同辉照明科技有限公司 Low-frequency and low-voltage electrodeless ultraviolet lamp

Also Published As

Publication number Publication date
BE403775A (en) 1934-07-31
GB439879A (en) 1935-12-11
ES134642A1 (en) 1934-08-16
US1989462A (en) 1935-01-29

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