FR1179319A - Method of activating electronic cathodes - Google Patents

Method of activating electronic cathodes

Info

Publication number
FR1179319A
FR1179319A FR1179319DA FR1179319A FR 1179319 A FR1179319 A FR 1179319A FR 1179319D A FR1179319D A FR 1179319DA FR 1179319 A FR1179319 A FR 1179319A
Authority
FR
France
Prior art keywords
activating electronic
cathodes
electronic cathodes
activating
electronic
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR1179319A publication Critical patent/FR1179319A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
    • H01J9/02—Manufacture of electrodes or electrode systems
    • H01J9/04—Manufacture of electrodes or electrode systems of thermionic cathodes
    • H01J9/042—Manufacture, activation of the emissive part
    • H01J9/045—Activation of assembled cathode

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
FR1179319D 1956-05-02 1957-04-30 Method of activating electronic cathodes Expired FR1179319A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US582159A US2913629A (en) 1956-05-02 1956-05-02 Method of activating thermionic emitter

Publications (1)

Publication Number Publication Date
FR1179319A true FR1179319A (en) 1959-05-22

Family

ID=24328074

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1179319D Expired FR1179319A (en) 1956-05-02 1957-04-30 Method of activating electronic cathodes

Country Status (2)

Country Link
US (1) US2913629A (en)
FR (1) FR1179319A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4894586A (en) * 1988-02-18 1990-01-16 Litton Systems, Inc. Crossed-field amplifier bias circuit and method for improved starting

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2249672A (en) * 1936-12-10 1941-07-15 Gen Electric Discharge device
US2829315A (en) * 1954-04-09 1958-04-01 Philips Corp Device comprising electric light source fed by pulses

Also Published As

Publication number Publication date
US2913629A (en) 1959-11-17

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