ES176816A1 - Mejoras en o relativas de estructuras de cátodo de caldeo indiredcto para dispositivos de descarga electrónica - Google Patents

Mejoras en o relativas de estructuras de cátodo de caldeo indiredcto para dispositivos de descarga electrónica

Info

Publication number
ES176816A1
ES176816A1 ES176816A ES176816A ES176816A1 ES 176816 A1 ES176816 A1 ES 176816A1 ES 176816 A ES176816 A ES 176816A ES 176816 A ES176816 A ES 176816A ES 176816 A1 ES176816 A1 ES 176816A1
Authority
ES
Spain
Prior art keywords
indiredcto
cathedral
environmental
structures
discharge devices
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
ES176816A
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
Standard Electrica 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 Alcatel Espana SA, Standard Electrica SA filed Critical Alcatel Espana SA
Publication of ES176816A1 publication Critical patent/ES176816A1/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
    • H01J1/22—Heaters
ES176816A 1939-09-08 1947-02-15 Mejoras en o relativas de estructuras de cátodo de caldeo indiredcto para dispositivos de descarga electrónica Expired ES176816A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2542639A GB534575A (en) 1939-09-08 1939-09-08 Improvements in or relating to indirectly heated cathode structures for electron discharge devices

Publications (1)

Publication Number Publication Date
ES176816A1 true ES176816A1 (es) 1947-03-16

Family

ID=10227468

Family Applications (1)

Application Number Title Priority Date Filing Date
ES176816A Expired ES176816A1 (es) 1939-09-08 1947-02-15 Mejoras en o relativas de estructuras de cátodo de caldeo indiredcto para dispositivos de descarga electrónica

Country Status (4)

Country Link
BE (1) BE467619A (en))
ES (1) ES176816A1 (en))
FR (1) FR943721A (en))
GB (1) GB534575A (en))

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2147732B (en) * 1983-10-07 1987-11-04 English Electric Valve Co Ltd Improvements in or relating to travelling wave tubes

Also Published As

Publication number Publication date
GB534575A (en) 1941-03-11
FR943721A (fr) 1949-03-16
BE467619A (en))

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