GB293711A - Improvements in or relating to electric discharge tubes - Google Patents

Improvements in or relating to electric discharge tubes

Info

Publication number
GB293711A
GB293711A GB669427A GB669427A GB293711A GB 293711 A GB293711 A GB 293711A GB 669427 A GB669427 A GB 669427A GB 669427 A GB669427 A GB 669427A GB 293711 A GB293711 A GB 293711A
Authority
GB
United Kingdom
Prior art keywords
support
filament
tubes
discharge tubes
relating
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
GB669427A
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.)
Individual
Original Assignee
Individual
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 NL21826D priority Critical patent/NL21826C/xx
Application filed by Individual filed Critical Individual
Priority to GB669427A priority patent/GB293711A/en
Publication of GB293711A publication Critical patent/GB293711A/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
    • H01J1/15—Cathodes heated directly by an electric current

Landscapes

  • Thermal Insulation (AREA)
GB669427A 1927-03-10 1927-03-10 Improvements in or relating to electric discharge tubes Expired GB293711A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
NL21826D NL21826C (enrdf_load_stackoverflow) 1927-03-10
GB669427A GB293711A (en) 1927-03-10 1927-03-10 Improvements in or relating to electric discharge tubes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB669427A GB293711A (en) 1927-03-10 1927-03-10 Improvements in or relating to electric discharge tubes

Publications (1)

Publication Number Publication Date
GB293711A true GB293711A (en) 1928-07-10

Family

ID=9819095

Family Applications (1)

Application Number Title Priority Date Filing Date
GB669427A Expired GB293711A (en) 1927-03-10 1927-03-10 Improvements in or relating to electric discharge tubes

Country Status (2)

Country Link
GB (1) GB293711A (enrdf_load_stackoverflow)
NL (1) NL21826C (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
NL21826C (enrdf_load_stackoverflow)

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