GB1128629A - Improvements in or relating to indirectly-heated cathodes, more particularly for cathode-ray tubes - Google Patents

Improvements in or relating to indirectly-heated cathodes, more particularly for cathode-ray tubes

Info

Publication number
GB1128629A
GB1128629A GB8402/66A GB840266A GB1128629A GB 1128629 A GB1128629 A GB 1128629A GB 8402/66 A GB8402/66 A GB 8402/66A GB 840266 A GB840266 A GB 840266A GB 1128629 A GB1128629 A GB 1128629A
Authority
GB
United Kingdom
Prior art keywords
cathode
heating
aperture
edges
indirectly
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
GB8402/66A
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 GB1128629A publication Critical patent/GB1128629A/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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J3/00—Details of electron-optical or ion-optical arrangements or of ion traps common to two or more basic types of discharge tubes or lamps
    • H01J3/02—Electron guns

Landscapes

  • Solid Thermionic Cathode (AREA)
GB8402/66A 1965-03-02 1966-02-25 Improvements in or relating to indirectly-heated cathodes, more particularly for cathode-ray tubes Expired GB1128629A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL6502585A NL6502585A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1965-03-02 1965-03-02

Publications (1)

Publication Number Publication Date
GB1128629A true GB1128629A (en) 1968-09-25

Family

ID=19792530

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8402/66A Expired GB1128629A (en) 1965-03-02 1966-02-25 Improvements in or relating to indirectly-heated cathodes, more particularly for cathode-ray tubes

Country Status (8)

Country Link
AT (1) AT255502B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BE (1) BE677152A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CH (1) CH431733A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DK (1) DK111055B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
ES (1) ES323648A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB1128629A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NL (1) NL6502585A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
SE (1) SE218227C1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Also Published As

Publication number Publication date
NL6502585A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1966-09-05
AT255502B (de) 1967-07-10
SE218227C1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1968-01-16
ES323648A1 (es) 1966-12-01
DK111055B (da) 1968-05-20
BE677152A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1966-08-29
CH431733A (de) 1967-03-15

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