FR787452A - Discharge tube - Google Patents

Discharge tube

Info

Publication number
FR787452A
FR787452A FR787452DA FR787452A FR 787452 A FR787452 A FR 787452A FR 787452D A FR787452D A FR 787452DA FR 787452 A FR787452 A FR 787452A
Authority
FR
France
Prior art keywords
discharge tube
discharge
tube
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)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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 by Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR787452A publication Critical patent/FR787452A/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
FR787452D 1934-03-17 1935-03-16 Discharge tube Expired FR787452A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US716112A US2166817A (en) 1934-03-17 1934-03-17 Electric discharge device

Publications (1)

Publication Number Publication Date
FR787452A true FR787452A (en) 1935-09-23

Family

ID=24876796

Family Applications (1)

Application Number Title Priority Date Filing Date
FR787452D Expired FR787452A (en) 1934-03-17 1935-03-16 Discharge tube

Country Status (3)

Country Link
US (1) US2166817A (en)
FR (1) FR787452A (en)
GB (1) GB444362A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2518879A (en) * 1945-02-03 1950-08-15 Kenneth J Germeshausen Hydrogen thyratron
US2678403A (en) * 1946-05-03 1954-05-11 Us Navy Grid probe structure

Also Published As

Publication number Publication date
US2166817A (en) 1939-07-18
GB444362A (en) 1936-03-19

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