BE417525A - - Google Patents

Info

Publication number
BE417525A
BE417525A BE417525DA BE417525A BE 417525 A BE417525 A BE 417525A BE 417525D A BE417525D A BE 417525DA BE 417525 A BE417525 A BE 417525A
Authority
BE
Belgium
Application number
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.)
Publication of BE417525A publication Critical patent/BE417525A/xx

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
    • H01J29/48—Electron guns
    • H01J29/481—Electron guns using field-emission, photo-emission, or secondary-emission electron source
BE417525D 1935-11-15 BE417525A (enrdf_load_html_response)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR809079T 1935-11-15

Publications (1)

Publication Number Publication Date
BE417525A true BE417525A (enrdf_load_html_response)

Family

ID=9253346

Family Applications (1)

Application Number Title Priority Date Filing Date
BE417525D BE417525A (enrdf_load_html_response) 1935-11-15

Country Status (4)

Country Link
US (1) US2175582A (enrdf_load_html_response)
BE (1) BE417525A (enrdf_load_html_response)
FR (1) FR809079A (enrdf_load_html_response)
GB (2) GB479270A (enrdf_load_html_response)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2644031A (en) * 1949-04-22 1953-06-30 Time Inc Scanning device
US2825838A (en) * 1953-06-04 1958-03-04 Csf Electron sources
US3364373A (en) * 1964-03-23 1968-01-16 Westinghouse Electric Corp Electron discharge device having a cathode element with a renewable electron emissive surface
US3311774A (en) * 1964-03-23 1967-03-28 Westinghouse Electric Corp Electron discharge device having a rotatable cathode therein
US3290540A (en) * 1964-04-16 1966-12-06 Westinghouse Electric Corp Electron discharge tube having a movable cathode tape

Also Published As

Publication number Publication date
GB479270A (en) 1938-02-02
US2175582A (en) 1939-10-10
GB479226A (en) 1938-02-02
FR809079A (fr) 1937-02-23

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