BE490180A - - Google Patents

Info

Publication number
BE490180A
BE490180A BE490180DA BE490180A BE 490180 A BE490180 A BE 490180A BE 490180D A BE490180D A BE 490180DA BE 490180 A BE490180 A BE 490180A
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 BE490180A publication Critical patent/BE490180A/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
    • H01J29/54—Arrangements for centring ray or beam
BE490180D 1949-02-24 BE490180A (enrdf_load_html_response)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB507349A GB657234A (en) 1949-02-24 1949-02-24 Improvements in or relating to the focusing and positioning of the beam of a cathode-ray tube

Publications (1)

Publication Number Publication Date
BE490180A true BE490180A (enrdf_load_html_response)

Family

ID=9789253

Family Applications (1)

Application Number Title Priority Date Filing Date
BE490180D BE490180A (enrdf_load_html_response) 1949-02-24

Country Status (4)

Country Link
BE (1) BE490180A (enrdf_load_html_response)
DE (1) DE970363C (enrdf_load_html_response)
GB (1) GB657234A (enrdf_load_html_response)
NL (1) NL147885B (enrdf_load_html_response)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL88265C (enrdf_load_html_response) * 1954-06-03

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE424327A (enrdf_load_html_response) * 1936-10-30
DE973258C (de) * 1938-03-08 1959-12-31 Siemens Ag Magnetische Polschuhlinse kleiner Brennweite fuer elektronenoptische Vergroesserungen in Elektronenmikroskopen
GB576369A (en) * 1943-03-31 1946-04-01 British Thomson Houston Co Ltd Improvements in and relating to electron discharge devices and lens systems therefor

Also Published As

Publication number Publication date
DE970363C (de) 1958-09-11
NL147885B (nl)
GB657234A (en) 1951-09-12

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