FR930734A - Electric discharge devices - Google Patents

Electric discharge devices

Info

Publication number
FR930734A
FR930734A FR930734DA FR930734A FR 930734 A FR930734 A FR 930734A FR 930734D A FR930734D A FR 930734DA FR 930734 A FR930734 A FR 930734A
Authority
FR
France
Prior art keywords
electric discharge
discharge devices
devices
electric
discharge
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.)
EMI Ltd
Electrical and Musical Industries Ltd
Original Assignee
EMI Ltd
Electrical and Musical Industries Ltd
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 EMI Ltd, Electrical and Musical Industries Ltd filed Critical EMI Ltd
Application granted granted Critical
Publication of FR930734A publication Critical patent/FR930734A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J43/00—Secondary-emission tubes; Electron-multiplier tubes
    • H01J43/04—Electron multipliers
    • H01J43/06—Electrode arrangements
    • H01J43/08—Cathode arrangements
FR930734D 1939-06-26 1946-07-17 Electric discharge devices Expired FR930734A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB251763X 1939-06-26
GB260640X 1940-06-26

Publications (1)

Publication Number Publication Date
FR930734A true FR930734A (en) 1948-02-03

Family

ID=26257548

Family Applications (1)

Application Number Title Priority Date Filing Date
FR930734D Expired FR930734A (en) 1939-06-26 1946-07-17 Electric discharge devices

Country Status (3)

Country Link
CH (1) CH251763A (en)
FR (1) FR930734A (en)
GB (1) GB534208A (en)

Also Published As

Publication number Publication date
GB534208A (en) 1941-03-03
CH251763A (en) 1947-11-15

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