NL41683C - - Google Patents

Info

Publication number
NL41683C
NL41683C NL41683DA NL41683C NL 41683 C NL41683 C NL 41683C NL 41683D A NL41683D A NL 41683DA NL 41683 C NL41683 C NL 41683C
Authority
NL
Netherlands
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 NL41683C publication Critical patent/NL41683C/xx

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/46Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
    • H01J29/58Arrangements for focusing or reflecting ray or beam
    • H01J29/62Electrostatic lenses
    • H01J29/622Electrostatic lenses producing fields exhibiting symmetry of revolution
    • H01J29/624Electrostatic lenses producing fields exhibiting symmetry of revolution co-operating with or closely associated to an electron gun
NL41683D 1932-05-14 NL41683C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE421050X 1932-05-14

Publications (1)

Publication Number Publication Date
NL41683C true NL41683C (en)

Family

ID=6455496

Family Applications (1)

Application Number Title Priority Date Filing Date
NL41683D NL41683C (en) 1932-05-14

Country Status (4)

Country Link
US (1) US2003775A (en)
FR (1) FR755580A (en)
GB (1) GB421050A (en)
NL (1) NL41683C (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2430482A (en) * 1942-02-12 1947-11-11 Raytheon Mfg Co Gaseous electric lamp
US2438709A (en) * 1942-08-06 1948-03-30 Hartford Nat Bank & Trust Co Thermionic tube having secondary electron emissive electrode with surface and form variations
FR961000A (en) * 1945-09-22 1950-04-28
US3355618A (en) * 1965-10-21 1967-11-28 Rca Corp Electron gun for use in a cathode ray tube exhibiting enhanced electron emission

Also Published As

Publication number Publication date
FR755580A (en) 1933-11-27
GB421050A (en) 1934-12-12
US2003775A (en) 1935-06-04

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