GB666099A - Improvements in or relating to electron discharge devices - Google Patents

Improvements in or relating to electron discharge devices

Info

Publication number
GB666099A
GB666099A GB19994/49A GB1999449A GB666099A GB 666099 A GB666099 A GB 666099A GB 19994/49 A GB19994/49 A GB 19994/49A GB 1999449 A GB1999449 A GB 1999449A GB 666099 A GB666099 A GB 666099A
Authority
GB
United Kingdom
Prior art keywords
cathode
springs
similar manner
members
electron 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
GB19994/49A
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.)
AT&T Corp
Original Assignee
Western Electric Co Inc
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 Western Electric Co Inc filed Critical Western Electric Co Inc
Publication of GB666099A publication Critical patent/GB666099A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J21/00—Vacuum tubes
    • H01J21/36—Tubes with flat electrodes, e.g. disc electrode
    • 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

  • Solid Thermionic Cathode (AREA)
GB19994/49A 1948-08-02 1949-07-29 Improvements in or relating to electron discharge devices Expired GB666099A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US666099XA 1948-08-02 1948-08-02

Publications (1)

Publication Number Publication Date
GB666099A true GB666099A (en) 1952-02-06

Family

ID=22070586

Family Applications (1)

Application Number Title Priority Date Filing Date
GB19994/49A Expired GB666099A (en) 1948-08-02 1949-07-29 Improvements in or relating to electron discharge devices

Country Status (2)

Country Link
GB (1) GB666099A (forum.php)
NL (1) NL72539C (forum.php)

Also Published As

Publication number Publication date
NL72539C (forum.php)

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