FR1177400A - Electron tube - Google Patents

Electron tube

Info

Publication number
FR1177400A
FR1177400A FR1177400DA FR1177400A FR 1177400 A FR1177400 A FR 1177400A FR 1177400D A FR1177400D A FR 1177400DA FR 1177400 A FR1177400 A FR 1177400A
Authority
FR
France
Prior art keywords
electron tube
electron
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 FR1177400A publication Critical patent/FR1177400A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J19/00—Details of vacuum tubes of the types covered by group H01J21/00
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00—Discharge tubes and lamps
    • H01J2893/0001—Electrodes and electrode systems suitable for discharge tubes or lamps
    • H01J2893/0012—Constructional arrangements
    • H01J2893/0019—Chemical composition and manufacture
    • H01J2893/0022—Manufacture
    • H01J2893/0025—Manufacture by winding wire upon a support
FR1177400D 1956-06-22 1957-06-20 Electron tube Expired FR1177400A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1177400X 1956-06-22

Publications (1)

Publication Number Publication Date
FR1177400A true FR1177400A (en) 1959-04-23

Family

ID=7729883

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1177400D Expired FR1177400A (en) 1956-06-22 1957-06-20 Electron tube

Country Status (1)

Country Link
FR (1) FR1177400A (en)

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