GB669912A - Improvements in or relating to cathodes - Google Patents

Improvements in or relating to cathodes

Info

Publication number
GB669912A
GB669912A GB10478/49A GB1047849A GB669912A GB 669912 A GB669912 A GB 669912A GB 10478/49 A GB10478/49 A GB 10478/49A GB 1047849 A GB1047849 A GB 1047849A GB 669912 A GB669912 A GB 669912A
Authority
GB
United Kingdom
Prior art keywords
core
coil
wire
centre
thicker
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
GB10478/49A
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.)
Westinghouse Electric International Co
Original Assignee
Westinghouse Electric International Co
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 Westinghouse Electric International Co filed Critical Westinghouse Electric International Co
Publication of GB669912A publication Critical patent/GB669912A/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

Landscapes

  • Solid Thermionic Cathode (AREA)
GB10478/49A 1948-05-14 1949-04-20 Improvements in or relating to cathodes Expired GB669912A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US27122A US2629065A (en) 1948-05-14 1948-05-14 Overwound filament

Publications (1)

Publication Number Publication Date
GB669912A true GB669912A (en) 1952-04-09

Family

ID=21835821

Family Applications (1)

Application Number Title Priority Date Filing Date
GB10478/49A Expired GB669912A (en) 1948-05-14 1949-04-20 Improvements in or relating to cathodes

Country Status (4)

Country Link
US (1) US2629065A (en:Method)
BE (1) BE488975A (en:Method)
DE (1) DE818536C (en:Method)
GB (1) GB669912A (en:Method)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE972442C (de) * 1952-05-27 1959-07-23 Siemens Ag Halterung fuer eine Kathode fuer elektrische Entladungsgefaesse

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1190412A (en) * 1914-02-19 1916-07-11 Radio Telephone & Telegraph Company Electrode for devices for varying electrical resistance.
NL19436C (en:Method) * 1926-04-06
US1946603A (en) * 1929-05-09 1934-02-13 Electrons Inc Cathode for electrical discharge devices
US2015417A (en) * 1930-12-13 1935-09-24 Rca Corp Cathode
US2175345A (en) * 1935-07-12 1939-10-10 Gen Electric Electric gaseous discharge device
GB486138A (en) * 1937-01-19 1938-05-31 Gen Electric Co Ltd Improvements in electrodes for high-pressure metal vapour electric discharge devices
US2155237A (en) * 1937-11-18 1939-04-18 Gen Electric Electric discharge device
NL65805C (en:Method) * 1938-06-24
BE440246A (en:Method) * 1940-01-20
US2329118A (en) * 1941-07-12 1943-09-07 Gen Electric Electrode for electrical discharge devices
US2363028A (en) * 1941-12-16 1944-11-21 Carl J Warnke Cathode filament
US2371205A (en) * 1943-10-30 1945-03-13 Coiled

Also Published As

Publication number Publication date
BE488975A (en:Method)
DE818536C (de) 1951-10-25
US2629065A (en) 1953-02-17

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