ES178440A1 - Mejoras en la construccion de catodos termoionicos para tubos electronicos - Google Patents

Mejoras en la construccion de catodos termoionicos para tubos electronicos

Info

Publication number
ES178440A1
ES178440A1 ES0178440A ES178440A ES178440A1 ES 178440 A1 ES178440 A1 ES 178440A1 ES 0178440 A ES0178440 A ES 0178440A ES 178440 A ES178440 A ES 178440A ES 178440 A1 ES178440 A1 ES 178440A1
Authority
ES
Spain
Prior art keywords
cathode
construction
electronic
electronic tubes
cathodes
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
ES0178440A
Other languages
English (en)
Spanish (es)
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.)
Nokia Spain SA
Original Assignee
Alcatel Espana 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
Priority claimed from GB12024/44A external-priority patent/GB590411A/en
Application filed by Alcatel Espana SA filed Critical Alcatel Espana SA
Publication of ES178440A1 publication Critical patent/ES178440A1/es
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
    • H01J1/02—Main electrodes
    • H01J1/13—Solid thermionic cathodes
    • H01J1/20—Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D47/00—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
    • H01J1/02—Main electrodes
    • H01J1/13—Solid thermionic cathodes
    • H01J1/15—Cathodes heated directly by an electric current

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Solid Thermionic Cathode (AREA)
ES0178440A 1944-06-23 1947-06-14 Mejoras en la construccion de catodos termoionicos para tubos electronicos Expired ES178440A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB12024/44A GB590411A (en) 1944-06-23 Improvements in or relating to thermionic cathodes

Publications (1)

Publication Number Publication Date
ES178440A1 true ES178440A1 (es) 1947-08-01

Family

ID=9997021

Family Applications (1)

Application Number Title Priority Date Filing Date
ES0178440A Expired ES178440A1 (es) 1944-06-23 1947-06-14 Mejoras en la construccion de catodos termoionicos para tubos electronicos

Country Status (3)

Country Link
BE (1) BE480139A (enrdf_load_stackoverflow)
ES (1) ES178440A1 (enrdf_load_stackoverflow)
FR (1) FR950342A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
FR950342A (fr) 1949-09-23
BE480139A (enrdf_load_stackoverflow)

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