GB512245A - Improvements in or relating to electron discharge devices - Google Patents

Improvements in or relating to electron discharge devices

Info

Publication number
GB512245A
GB512245A GB6282/38A GB628238A GB512245A GB 512245 A GB512245 A GB 512245A GB 6282/38 A GB6282/38 A GB 6282/38A GB 628238 A GB628238 A GB 628238A GB 512245 A GB512245 A GB 512245A
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
GB6282/38A
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 GB512245A publication Critical patent/GB512245A/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
GB6282/38A 1937-02-27 1938-02-28 Improvements in or relating to electron discharge devices Expired GB512245A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US128091A US2108533A (en) 1937-02-27 1937-02-27 Electrode assembly

Publications (1)

Publication Number Publication Date
GB512245A true GB512245A (en) 1939-08-31

Family

ID=22433579

Family Applications (1)

Application Number Title Priority Date Filing Date
GB6282/38A Expired GB512245A (en) 1937-02-27 1938-02-28 Improvements in or relating to electron discharge devices

Country Status (2)

Country Link
US (1) US2108533A (en)
GB (1) GB512245A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2467390A (en) * 1945-10-29 1949-04-19 Raytheon Mfg Co Filament support for electric space discharge tubes
US2863081A (en) * 1955-11-21 1958-12-02 Gen Electric Electric discharge device structure

Also Published As

Publication number Publication date
US2108533A (en) 1938-02-15

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