ES172138A1 - NUEVO CáTODO TERMOIoNICO - Google Patents

NUEVO CáTODO TERMOIoNICO

Info

Publication number
ES172138A1
ES172138A1 ES0172138A ES172138A ES172138A1 ES 172138 A1 ES172138 A1 ES 172138A1 ES 0172138 A ES0172138 A ES 0172138A ES 172138 A ES172138 A ES 172138A ES 172138 A1 ES172138 A1 ES 172138A1
Authority
ES
Spain
Prior art keywords
new thermal
thermal cathode
activator material
container
cathode
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
ES0172138A
Other languages
English (en)
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.)
General Electric Co PLC
Original Assignee
General Electric Co PLC
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 General Electric Co PLC filed Critical General Electric Co PLC
Publication of ES172138A1 publication Critical patent/ES172138A1/es
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P1/00—Arrangements for starting electric motors or dynamo-electric converters
    • H02P1/16—Arrangements for starting electric motors or dynamo-electric converters for starting dynamo-electric motors or dynamo-electric converters
    • H02P1/26—Arrangements for starting electric motors or dynamo-electric converters for starting dynamo-electric motors or dynamo-electric converters for starting an individual polyphase induction motor
    • H02P1/32—Arrangements for starting electric motors or dynamo-electric converters for starting dynamo-electric motors or dynamo-electric converters for starting an individual polyphase induction motor by star/delta switching
    • 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
    • H01J1/28—Dispenser-type cathodes, e.g. L-cathode

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physical Vapour Deposition (AREA)
  • Inks, Pencil-Leads, Or Crayons (AREA)

Abstract

Nuevo cátodo termoiónico del tipo que comprende un recipiente metálico perforado y dentro del recipiente una varilla de material activador caracterizado porque el indicado material activador es o está cosntituido principalmente por torato de bario.
ES0172138A 1944-01-19 1946-01-12 NUEVO CáTODO TERMOIoNICO Expired ES172138A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB102144A GB577599A (en) 1944-01-19 1944-01-19 Improvements in thermionic cathodes

Publications (1)

Publication Number Publication Date
ES172138A1 true ES172138A1 (es) 1946-08-16

Family

ID=9714757

Family Applications (1)

Application Number Title Priority Date Filing Date
ES0172138A Expired ES172138A1 (es) 1944-01-19 1946-01-12 NUEVO CáTODO TERMOIoNICO

Country Status (4)

Country Link
ES (1) ES172138A1 (es)
FR (1) FR914078A (es)
GB (1) GB577599A (es)
MY (1) MY5300060A (es)

Also Published As

Publication number Publication date
GB577599A (en) 1946-05-24
MY5300060A (en) 1953-12-31
FR914078A (fr) 1946-09-27

Similar Documents

Publication Publication Date Title
ES176051A1 (es) Aparato de descarga de electrones
CH267797A (de) Elektronen-Entladungsvorrichtung mit Hohlraumresonator.
ES172138A1 (es) NUEVO CáTODO TERMOIoNICO
ES174060A2 (es) UN NUEVO CáTODO TERMOIoNICO
CH234435A (de) Entladungsröhre zur Erzeugung von Ultrahochfrequenzschwingungen.
CH226771A (de) Elektronenröhre mit geschwindigkeitsmoduliertem Elektronenstrahl und mit Hohlraumresonatoren.
ES193022A1 (es) UN CáTODO TERMOIoNICO DEL TIPO QUE COMPRENDE MATERIAL ACTIVADOR-EMISOR DE ELECTRONES
ES189361A1 (es) UN PROCEDIMIENTO ECONoMICO-COMERCIAL DE PROPAGANDA, PUBLICIDAD, SENALIZACIoN, INDICACIoN Y DE PUBLICACIONES INDUSTRIALES Y COMERCIALES
CH229964A (de) Elektronenröhre, bei der der Elektronenstrahl durch einen oder mehrere mit Blenden versehene Hohlraumresonatoren geführt ist.
CH267008A (de) Magnetronoszillator.
ES154567A1 (es) Procedimiento de produccion de magnesio metalico y eventualmente de bioxido de magnesio puro, partiendo del mineral de magneso
FR877103A (fr) Tissage de matières courtes
ES174061A2 (es) UN PROCEDIMIENTO DE OBTENCIoN DE UNA VARILLA DE MATERIAL ACTIVADOR DESTINADO A CáTODOS TERMOIoNICOS
CH248953A (de) Elektronenentladungsvorrichtung mit Hohlraumresonator.
FR888490A (fr) Tube électronique
FR878920A (fr) Perfectionnements à la construction des tubes électroniques pour ultra haute fréquence
FI19039A (fi) Exponential-elektronrör
FR877835A (fr) Capsule de fermeture étanche doublée de toute matière malléable et compressible
DK74881C (da) Elektronrør til ultrahøje frekvenser og af triodetypen.
ES178407A1 (es) Perfeccionamientos en dispositivos de proyeccion
ES153260A1 (es) Disposición con válvula de rayos catódicos
GR9433B (el) Τροπος κατασκευης ενεργου ανθρακος με πρωτην υληντα υπολειμματα της βιομηχανικης κατεργασιας του χαρουποσπορου.
ES6530Y (es) Vigueta de piezas de cerámica y varilla de hierro.
DK65223C (da) Katodestraaleror og Fremgangsmaade til dets Fremstilling.
DK65364C (da) Elektronrør til Frembringelse af Svingninger.