FR844323A - Improvements to electric discharge tubes and devices that include them - Google Patents

Improvements to electric discharge tubes and devices that include them

Info

Publication number
FR844323A
FR844323A FR844323DA FR844323A FR 844323 A FR844323 A FR 844323A FR 844323D A FR844323D A FR 844323DA FR 844323 A FR844323 A FR 844323A
Authority
FR
France
Prior art keywords
devices
electric discharge
discharge tubes
tubes
electric
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR844323A publication Critical patent/FR844323A/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
    • H01J43/28—Vessels, e.g. wall of the tube; Windows; Screens; Suppressing undesired discharges or currents
FR844323D 1937-10-05 1938-10-05 Improvements to electric discharge tubes and devices that include them Expired FR844323A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL844323X 1937-10-05

Publications (1)

Publication Number Publication Date
FR844323A true FR844323A (en) 1939-07-24

Family

ID=19845110

Family Applications (1)

Application Number Title Priority Date Filing Date
FR844323D Expired FR844323A (en) 1937-10-05 1938-10-05 Improvements to electric discharge tubes and devices that include them

Country Status (1)

Country Link
FR (1) FR844323A (en)

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