GB277754A - Improvements in or relating to thermionic discharge tubes - Google Patents

Improvements in or relating to thermionic discharge tubes

Info

Publication number
GB277754A
GB277754A GB1599926A GB1599926A GB277754A GB 277754 A GB277754 A GB 277754A GB 1599926 A GB1599926 A GB 1599926A GB 1599926 A GB1599926 A GB 1599926A GB 277754 A GB277754 A GB 277754A
Authority
GB
United Kingdom
Prior art keywords
cathode
filament
per cent
carbon
temperature
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
GB1599926A
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.)
MO Valve Co Ltd
Original Assignee
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
Priority to FR635081D priority Critical patent/FR635081A/fr
Application filed by MO Valve Co Ltd filed Critical MO Valve Co Ltd
Priority to GB1599926A priority patent/GB277754A/en
Publication of GB277754A publication Critical patent/GB277754A/en
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

Landscapes

  • Primary Cells (AREA)
GB1599926A 1926-06-25 1926-06-25 Improvements in or relating to thermionic discharge tubes Expired GB277754A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR635081D FR635081A (de) 1926-06-25
GB1599926A GB277754A (en) 1926-06-25 1926-06-25 Improvements in or relating to thermionic discharge tubes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1599926A GB277754A (en) 1926-06-25 1926-06-25 Improvements in or relating to thermionic discharge tubes

Publications (1)

Publication Number Publication Date
GB277754A true GB277754A (en) 1927-09-26

Family

ID=10069348

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1599926A Expired GB277754A (en) 1926-06-25 1926-06-25 Improvements in or relating to thermionic discharge tubes

Country Status (2)

Country Link
FR (1) FR635081A (de)
GB (1) GB277754A (de)

Also Published As

Publication number Publication date
FR635081A (de) 1928-03-07

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