DE1034779B - Kathode fuer Hoechstfrequenzroehren - Google Patents

Kathode fuer Hoechstfrequenzroehren

Info

Publication number
DE1034779B
DE1034779B DEG18212A DEG0018212A DE1034779B DE 1034779 B DE1034779 B DE 1034779B DE G18212 A DEG18212 A DE G18212A DE G0018212 A DEG0018212 A DE G0018212A DE 1034779 B DE1034779 B DE 1034779B
Authority
DE
Germany
Prior art keywords
frame
cathode
filaments
wires
heating
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.)
Pending
Application number
DEG18212A
Other languages
German (de)
English (en)
Inventor
James Emory Beggs
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
Original Assignee
General Electric Co
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 filed Critical General Electric Co
Publication of DE1034779B publication Critical patent/DE1034779B/de
Pending 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
    • H01J1/15—Cathodes heated directly by an electric current
    • H01J1/16—Cathodes heated directly by an electric current characterised by the shape

Landscapes

  • Microwave Tubes (AREA)
  • Electron Sources, Ion Sources (AREA)
  • Electron Tubes For Measurement (AREA)
DEG18212A 1954-10-22 1955-10-21 Kathode fuer Hoechstfrequenzroehren Pending DE1034779B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US463849A US2892120A (en) 1954-10-22 1954-10-22 Cathode structure

Publications (1)

Publication Number Publication Date
DE1034779B true DE1034779B (de) 1958-07-24

Family

ID=23841560

Family Applications (1)

Application Number Title Priority Date Filing Date
DEG18212A Pending DE1034779B (de) 1954-10-22 1955-10-21 Kathode fuer Hoechstfrequenzroehren

Country Status (4)

Country Link
US (1) US2892120A (fr)
DE (1) DE1034779B (fr)
FR (1) FR1137650A (fr)
GB (1) GB778796A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5686791A (en) * 1992-03-16 1997-11-11 Microelectronics And Computer Technology Corp. Amorphic diamond film flat field emission cathode

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT135875B (de) * 1932-05-17 1933-12-11 Kremenezky Ag Joh Gerät zur Herstellung von Glühkathoden.
FR901727A (fr) * 1942-05-19 1945-08-03 Gema Ges Fu R Elektroakustisch Cathode incandescente pour lampe électronique
US2458693A (en) * 1946-01-25 1949-01-11 Eitel Mccullough Inc Electron tube
FR978463A (fr) * 1942-09-14 1951-04-13 Csf Cathode à chauffage direct pour tube à modulation de vitesse

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US241366A (en) * 1881-05-10 hussey
US1353976A (en) * 1916-03-20 1920-09-28 Western Electric Co Vacuum-tube device
US1844319A (en) * 1929-09-25 1932-02-09 Hatt Emil Means for producing radio waves
US1969496A (en) * 1931-03-12 1934-08-07 Bell Telephone Labor Inc Electric discharge device
US2117709A (en) * 1936-12-30 1938-05-17 Bell Telephone Labor Inc Electron discharge device
BE473991A (fr) * 1941-06-24

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT135875B (de) * 1932-05-17 1933-12-11 Kremenezky Ag Joh Gerät zur Herstellung von Glühkathoden.
FR901727A (fr) * 1942-05-19 1945-08-03 Gema Ges Fu R Elektroakustisch Cathode incandescente pour lampe électronique
FR978463A (fr) * 1942-09-14 1951-04-13 Csf Cathode à chauffage direct pour tube à modulation de vitesse
US2458693A (en) * 1946-01-25 1949-01-11 Eitel Mccullough Inc Electron tube

Also Published As

Publication number Publication date
GB778796A (en) 1957-07-10
FR1137650A (fr) 1957-05-31
US2892120A (en) 1959-06-23

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