FR842629A - Thermionic lamp - Google Patents

Thermionic lamp

Info

Publication number
FR842629A
FR842629A FR842629DA FR842629A FR 842629 A FR842629 A FR 842629A FR 842629D A FR842629D A FR 842629DA FR 842629 A FR842629 A FR 842629A
Authority
FR
France
Prior art keywords
thermionic
lamp
thermionic lamp
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.)
MO Valve Co Ltd
Original Assignee
MO Valve Co 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 MO Valve Co Ltd filed Critical MO Valve Co Ltd
Application granted granted Critical
Publication of FR842629A publication Critical patent/FR842629A/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
    • H01J21/00—Vacuum tubes
    • H01J21/02—Tubes with a single discharge path
    • H01J21/06—Tubes with a single discharge path having electrostatic control means only
    • H01J21/10—Tubes with a single discharge path having electrostatic control means only with one or more immovable internal control electrodes, e.g. triode, pentode, octode
    • H01J21/14—Tubes with means for concentrating the electron stream, e.g. beam tetrode
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00—Discharge tubes and lamps
    • H01J2893/0029—Electron beam tubes
FR842629D 1938-08-27 1938-08-27 Thermionic lamp Expired FR842629A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR842629T 1938-08-27

Publications (1)

Publication Number Publication Date
FR842629A true FR842629A (en) 1939-06-15

Family

ID=9311519

Family Applications (1)

Application Number Title Priority Date Filing Date
FR842629D Expired FR842629A (en) 1938-08-27 1938-08-27 Thermionic lamp

Country Status (1)

Country Link
FR (1) FR842629A (en)

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