GB508512A - Improvements in or relating to electron discharge devices - Google Patents

Improvements in or relating to electron discharge devices

Info

Publication number
GB508512A
GB508512A GB36298/37A GB3629837A GB508512A GB 508512 A GB508512 A GB 508512A GB 36298/37 A GB36298/37 A GB 36298/37A GB 3629837 A GB3629837 A GB 3629837A GB 508512 A GB508512 A GB 508512A
Authority
GB
United Kingdom
Prior art keywords
relating
discharge devices
electron discharge
electron
devices
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
GB36298/37A
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.)
Marconis Wireless Telegraph Co Ltd
BAE Systems Electronics Ltd
Original Assignee
Marconis Wireless Telegraph Co Ltd
Marconi 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
Application filed by Marconis Wireless Telegraph Co Ltd, Marconi Co Ltd filed Critical Marconis Wireless Telegraph Co Ltd
Publication of GB508512A publication Critical patent/GB508512A/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
    • H01J1/16—Cathodes heated directly by an electric current characterised by the shape
GB36298/37A 1936-12-31 1937-12-31 Improvements in or relating to electron discharge devices Expired GB508512A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US508512XA 1936-12-31 1936-12-31

Publications (1)

Publication Number Publication Date
GB508512A true GB508512A (en) 1939-06-30

Family

ID=21967873

Family Applications (1)

Application Number Title Priority Date Filing Date
GB36298/37A Expired GB508512A (en) 1936-12-31 1937-12-31 Improvements in or relating to electron discharge devices

Country Status (1)

Country Link
GB (1) GB508512A (en)

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