FR1145019A - Electron tube, in particular emission tube - Google Patents

Electron tube, in particular emission tube

Info

Publication number
FR1145019A
FR1145019A FR1145019DA FR1145019A FR 1145019 A FR1145019 A FR 1145019A FR 1145019D A FR1145019D A FR 1145019DA FR 1145019 A FR1145019 A FR 1145019A
Authority
FR
France
Prior art keywords
tube
particular emission
electron
electron tube
emission 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.)
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 FR1145019A publication Critical patent/FR1145019A/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
    • H01J43/02—Tubes in which one or a few electrodes are secondary-electron emitting electrodes
FR1145019D 1955-04-04 1956-04-03 Electron tube, in particular emission tube Expired FR1145019A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL1145019X 1955-04-04

Publications (1)

Publication Number Publication Date
FR1145019A true FR1145019A (en) 1957-10-21

Family

ID=19870253

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1145019D Expired FR1145019A (en) 1955-04-04 1956-04-03 Electron tube, in particular emission tube

Country Status (2)

Country Link
FR (1) FR1145019A (en)
NL (2) NL196228A (en)

Also Published As

Publication number Publication date
NL196228A (en)
NL88787C (en)

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