GB570468A - Indirectly heated thermionic cathodes for electron discharge devices - Google Patents

Indirectly heated thermionic cathodes for electron discharge devices

Info

Publication number
GB570468A
GB570468A GB16958/43A GB1695843A GB570468A GB 570468 A GB570468 A GB 570468A GB 16958/43 A GB16958/43 A GB 16958/43A GB 1695843 A GB1695843 A GB 1695843A GB 570468 A GB570468 A GB 570468A
Authority
GB
United Kingdom
Prior art keywords
wires
discharge devices
electron discharge
indirectly heated
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
GB16958/43A
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.)
STC PLC
Original Assignee
Standard Telephone and Cables PLC
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 Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Publication of GB570468A publication Critical patent/GB570468A/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
    • H01J1/22—Heaters

Landscapes

  • Electron Sources, Ion Sources (AREA)
GB16958/43A 1942-12-08 1943-10-15 Indirectly heated thermionic cathodes for electron discharge devices Expired GB570468A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US468199A US2367669A (en) 1942-12-08 1942-12-08 Cathode structure

Publications (1)

Publication Number Publication Date
GB570468A true GB570468A (en) 1945-07-09

Family

ID=23858816

Family Applications (1)

Application Number Title Priority Date Filing Date
GB16958/43A Expired GB570468A (en) 1942-12-08 1943-10-15 Indirectly heated thermionic cathodes for electron discharge devices

Country Status (3)

Country Link
US (1) US2367669A (enExample)
BE (1) BE461543A (enExample)
GB (1) GB570468A (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2774941A (en) * 1952-11-14 1956-12-18 Raytheon Mfg Co Communication systems
US2973449A (en) * 1957-10-23 1961-02-28 Philips Corp Electric discharge tube

Also Published As

Publication number Publication date
BE461543A (enExample)
US2367669A (en) 1945-01-23

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