FR947719A - Structure de cathode - Google Patents

Structure de cathode

Info

Publication number
FR947719A
FR947719A FR947719DA FR947719A FR 947719 A FR947719 A FR 947719A FR 947719D A FR947719D A FR 947719DA FR 947719 A FR947719 A FR 947719A
Authority
FR
France
Prior art keywords
cathode structure
cathode
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
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.)
CBS Corp
Original Assignee
Westinghouse Electric Corp
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 Corp filed Critical Westinghouse Electric Corp
Application granted granted Critical
Publication of FR947719A publication Critical patent/FR947719A/fr
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
FR947719D 1941-06-24 1947-06-07 Structure de cathode Expired FR947719A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US399454A US2283896A (en) 1941-06-24 1941-06-24 Cathode structure

Publications (1)

Publication Number Publication Date
FR947719A true FR947719A (fr) 1949-07-11

Family

ID=23579565

Family Applications (1)

Application Number Title Priority Date Filing Date
FR947719D Expired FR947719A (fr) 1941-06-24 1947-06-07 Structure de cathode

Country Status (4)

Country Link
US (1) US2283896A (fr)
BE (1) BE473991A (fr)
FR (1) FR947719A (fr)
GB (1) GB556505A (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2515361A (en) * 1946-12-13 1950-07-18 Bell Telephone Labor Inc Electric discharge device
US2662990A (en) * 1950-09-21 1953-12-15 Collins Radio Co Resnatron filament basket
US2720608A (en) * 1951-03-13 1955-10-11 Wihtol Weltis Cathodes for electron tubes
US2693544A (en) * 1951-12-14 1954-11-02 Collins Radio Co Resnatron filament basket
GB820065A (en) * 1954-10-22 1959-09-16 Gen Electric Improvements relating to cathode structures for electric discharge devices
US2892120A (en) * 1954-10-22 1959-06-23 Gen Electric Cathode structure
US2998544A (en) * 1958-02-28 1961-08-29 Litton Electron Tube Corp Magnetron cathode
US3197669A (en) * 1961-05-12 1965-07-27 Welding Research Inc Electron emitting element for electron gun
US4760306A (en) * 1983-06-10 1988-07-26 The United States Of America As Represented By The United States Department Of Energy Electron emitting filaments for electron discharge devices

Also Published As

Publication number Publication date
GB556505A (en) 1943-10-07
US2283896A (en) 1942-05-19
BE473991A (fr)

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