FR40920E - Improvements to discharge tubes with control electrode - Google Patents

Improvements to discharge tubes with control electrode

Info

Publication number
FR40920E
FR40920E FR40920DA FR40920E FR 40920 E FR40920 E FR 40920E FR 40920D A FR40920D A FR 40920DA FR 40920 E FR40920 E FR 40920E
Authority
FR
France
Prior art keywords
control electrode
discharge tubes
tubes
discharge
electrode
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 FR40920E publication Critical patent/FR40920E/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
    • 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
FR40920D 1930-10-08 1931-10-09 Improvements to discharge tubes with control electrode Expired FR40920E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US487272A US2027175A (en) 1930-10-08 1930-10-08 Grid construction of electric discharge devices

Publications (1)

Publication Number Publication Date
FR40920E true FR40920E (en) 1932-09-16

Family

ID=23935063

Family Applications (3)

Application Number Title Priority Date Filing Date
FR723932D Expired FR723932A (en) 1930-10-08 1931-10-08 Improvements to discharge tubes with control electrode
FR40920D Expired FR40920E (en) 1930-10-08 1931-10-09 Improvements to discharge tubes with control electrode
FR41679D Expired FR41679E (en) 1930-10-08 1932-02-23 Improvements to discharge tubes with control electrode

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR723932D Expired FR723932A (en) 1930-10-08 1931-10-08 Improvements to discharge tubes with control electrode

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR41679D Expired FR41679E (en) 1930-10-08 1932-02-23 Improvements to discharge tubes with control electrode

Country Status (4)

Country Link
US (1) US2027175A (en)
DE (1) DE639908C (en)
FR (3) FR723932A (en)
GB (1) GB379889A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2636144A (en) * 1951-02-03 1953-04-21 Raytheon Mfg Co Gaseous discharge device

Also Published As

Publication number Publication date
FR723932A (en) 1932-04-18
FR41679E (en) 1933-03-10
US2027175A (en) 1936-01-07
DE639908C (en) 1936-12-17
GB379889A (en) 1932-09-08

Similar Documents

Publication Publication Date Title
FR723431A (en) Tube improvements
FR716475A (en) Improvements to metal tubes
FR41679E (en) Improvements to discharge tubes with control electrode
FR694365A (en) Improvements to dual control cycles
FR707965A (en) Improvements made to electric discharge tubes
FR41505E (en) Improvements to discharge tubes with control electrode
FR718983A (en) Improvements made to electric discharge tubes
FR715188A (en) Metal-cased discharge tube
FR727680A (en) Improvements to discharge tubes
FR727076A (en) Improvements to discharge tubes
FR707770A (en) Improvements to discharge tubes
FR710617A (en) Improvements to electron tubes with control electrode
FR719115A (en) Discharge tube
FR724709A (en) Improvements made to electric discharge tubes
FR39597E (en) Improvements to discharge tubes
FR39053E (en) Improvements to discharge tubes
FR721436A (en) Improvements to discharge tubes
FR715232A (en) Improvements to heated cathode discharge tubes
FR710937A (en) Improvements to glow discharge tubes
FR715452A (en) Improvements made to the electrodes of discharge tubes
FR712097A (en) Improvements made to electric discharge tubes
FR731114A (en) Discharge tube
FR739425A (en) Improvements to discharge tubes
FR40081E (en) Improvements to discharge tubes
FR39439E (en) Improvements to dual control cycles