GB978217A - Improvements in directly-heated cathodes for electric discharge tubes - Google Patents

Improvements in directly-heated cathodes for electric discharge tubes

Info

Publication number
GB978217A
GB978217A GB36505/61A GB3650561A GB978217A GB 978217 A GB978217 A GB 978217A GB 36505/61 A GB36505/61 A GB 36505/61A GB 3650561 A GB3650561 A GB 3650561A GB 978217 A GB978217 A GB 978217A
Authority
GB
United Kingdom
Prior art keywords
plate
end members
wire
wires
electric discharge
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
GB36505/61A
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.)
Philips Electronics UK Ltd
Original Assignee
Philips Electronic and Associated Industries 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 Philips Electronic and Associated Industries Ltd filed Critical Philips Electronic and Associated Industries Ltd
Publication of GB978217A publication Critical patent/GB978217A/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
    • H01J1/18—Supports; Vibration-damping arrangements
    • 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

  • Solid Thermionic Cathode (AREA)
  • Discharge Lamp (AREA)
  • Electron Sources, Ion Sources (AREA)
GB36505/61A 1960-10-14 1961-10-11 Improvements in directly-heated cathodes for electric discharge tubes Expired GB978217A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL256883 1960-10-14

Publications (1)

Publication Number Publication Date
GB978217A true GB978217A (en) 1964-12-16

Family

ID=19752630

Family Applications (1)

Application Number Title Priority Date Filing Date
GB36505/61A Expired GB978217A (en) 1960-10-14 1961-10-11 Improvements in directly-heated cathodes for electric discharge tubes

Country Status (6)

Country Link
US (1) US3177393A (enrdf_load_stackoverflow)
CH (1) CH404812A (enrdf_load_stackoverflow)
DE (1) DE1165758B (enrdf_load_stackoverflow)
ES (1) ES271131A1 (enrdf_load_stackoverflow)
GB (1) GB978217A (enrdf_load_stackoverflow)
NL (1) NL113253C (enrdf_load_stackoverflow)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3312854A (en) 1964-07-31 1967-04-04 Philips Corp Cathode having a u-shaped support member
DE1251886B (enrdf_load_stackoverflow) * 1964-10-28
US3419743A (en) * 1965-12-15 1968-12-31 Rca Corp Electron tube having a tensioned cathode
JPS6053418B2 (ja) * 1976-08-09 1985-11-26 株式会社日立製作所 電子管陰極構体

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1273630A (en) * 1918-02-20 1918-07-23 Gen Electric Electron-discharge apparatus.
DE519082C (de) * 1926-04-21 1931-02-23 Radiotechnique Soc Verfahren zur Herstellung von Elektronenroehren

Also Published As

Publication number Publication date
US3177393A (en) 1965-04-06
DE1165758B (de) 1964-03-19
CH404812A (de) 1965-12-31
NL113253C (enrdf_load_stackoverflow)
ES271131A1 (es) 1962-01-01

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