GB576151A - Improvements in the manufacture of thermionic valves and the like - Google Patents

Improvements in the manufacture of thermionic valves and the like

Info

Publication number
GB576151A
GB576151A GB94042A GB94042A GB576151A GB 576151 A GB576151 A GB 576151A GB 94042 A GB94042 A GB 94042A GB 94042 A GB94042 A GB 94042A GB 576151 A GB576151 A GB 576151A
Authority
GB
United Kingdom
Prior art keywords
filament
force
wire
attachment
thermionic
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
GB94042A
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.)
DAVID HENRY DONALDSON
RONALD OSMOND JENKINS
MO Valve Co Ltd
Original Assignee
DAVID HENRY DONALDSON
RONALD OSMOND JENKINS
MO Valve Co Ltd
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 DAVID HENRY DONALDSON, RONALD OSMOND JENKINS, MO Valve Co Ltd filed Critical DAVID HENRY DONALDSON
Priority to GB94042A priority Critical patent/GB576151A/en
Publication of GB576151A publication Critical patent/GB576151A/en
Priority to FR948257D priority patent/FR948257A/fr
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
    • H01J1/15—Cathodes heated directly by an electric current
    • H01J1/18—Supports; Vibration-damping arrangements

Landscapes

  • Details Of Valves (AREA)
GB94042A 1942-01-22 1942-01-22 Improvements in the manufacture of thermionic valves and the like Expired GB576151A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB94042A GB576151A (en) 1942-01-22 1942-01-22 Improvements in the manufacture of thermionic valves and the like
FR948257D FR948257A (fr) 1942-01-22 1947-06-20 Procédé de fabrication des lampes thermioniques, etc.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB94042A GB576151A (en) 1942-01-22 1942-01-22 Improvements in the manufacture of thermionic valves and the like

Publications (1)

Publication Number Publication Date
GB576151A true GB576151A (en) 1946-03-21

Family

ID=9713175

Family Applications (1)

Application Number Title Priority Date Filing Date
GB94042A Expired GB576151A (en) 1942-01-22 1942-01-22 Improvements in the manufacture of thermionic valves and the like

Country Status (2)

Country Link
FR (1) FR948257A (fr)
GB (1) GB576151A (fr)

Also Published As

Publication number Publication date
FR948257A (fr) 1949-07-27

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