GB267078A - Improvements in or relating to thermionic valves - Google Patents

Improvements in or relating to thermionic valves

Info

Publication number
GB267078A
GB267078A GB19562/26A GB1956226A GB267078A GB 267078 A GB267078 A GB 267078A GB 19562/26 A GB19562/26 A GB 19562/26A GB 1956226 A GB1956226 A GB 1956226A GB 267078 A GB267078 A GB 267078A
Authority
GB
United Kingdom
Prior art keywords
cathode
mid
parallel
relating
point
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
GB19562/26A
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.)
FR DE LAMPES A INCANDESCENCE L
Original Assignee
FR DE LAMPES A INCANDESCENCE L
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 FR DE LAMPES A INCANDESCENCE L filed Critical FR DE LAMPES A INCANDESCENCE L
Publication of GB267078A publication Critical patent/GB267078A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J1/00Details 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
    • H01J1/02Main electrodes
    • H01J1/13Solid thermionic cathodes
    • H01J1/15Cathodes heated directly by an electric current

Landscapes

  • Measuring Fluid Pressure (AREA)
GB19562/26A 1926-03-02 1926-08-07 Improvements in or relating to thermionic valves Expired GB267078A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR624263T 1926-03-02

Publications (1)

Publication Number Publication Date
GB267078A true GB267078A (en) 1927-11-07

Family

ID=8986970

Family Applications (1)

Application Number Title Priority Date Filing Date
GB19562/26A Expired GB267078A (en) 1926-03-02 1926-08-07 Improvements in or relating to thermionic valves

Country Status (3)

Country Link
BE (1) BE340155A (enrdf_load_stackoverflow)
FR (1) FR624263A (enrdf_load_stackoverflow)
GB (1) GB267078A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE759629C (de) * 1940-01-20 1953-08-10 Lorenz A G C Direkt geheizte Gluehkathode mit einer Wendel aus thoriertem Wolframdraht

Also Published As

Publication number Publication date
FR624263A (fr) 1927-07-12
BE340155A (enrdf_load_stackoverflow)

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