CH208860A - Cathode ray tubes, in particular for television purposes. - Google Patents

Cathode ray tubes, in particular for television purposes.

Info

Publication number
CH208860A
CH208860A CH208860DA CH208860A CH 208860 A CH208860 A CH 208860A CH 208860D A CH208860D A CH 208860DA CH 208860 A CH208860 A CH 208860A
Authority
CH
Switzerland
Prior art keywords
cathode ray
ray tubes
television purposes
television
purposes
Prior art date
Application number
Other languages
German (de)
Inventor
Akt-Ges Fernseh
Original Assignee
Fernseh Ag
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 Fernseh Ag filed Critical Fernseh Ag
Publication of CH208860A publication Critical patent/CH208860A/en

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
    • H01J29/488—Schematic arrangements of the electrodes for beam forming; Place and form of the elecrodes
    • 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
    • H01J29/52—Arrangements for controlling intensity of ray or beam, e.g. for modulation
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2229/00—Details of cathode ray tubes or electron beam tubes
    • H01J2229/48—Electron guns
    • H01J2229/50—Plurality of guns or beams
    • H01J2229/507—Multi-beam groups, e.g. number of beams greater than number of cathodes
CH208860D 1937-11-24 1938-11-21 Cathode ray tubes, in particular for television purposes. CH208860A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE208860X 1937-11-24

Publications (1)

Publication Number Publication Date
CH208860A true CH208860A (en) 1940-02-29

Family

ID=5794470

Family Applications (1)

Application Number Title Priority Date Filing Date
CH208860D CH208860A (en) 1937-11-24 1938-11-21 Cathode ray tubes, in particular for television purposes.

Country Status (5)

Country Link
BE (1) BE431236A (en)
CH (1) CH208860A (en)
FR (1) FR846578A (en)
GB (1) GB521803A (en)
NL (1) NL56598C (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE527842A (en) * 1953-04-03
NL234621A (en) * 1958-01-02
US3178603A (en) * 1958-09-25 1965-04-13 Westinghouse Electric Corp Cathode ray apparatus for character display or conventional cathode ray display
US3143685A (en) * 1961-07-24 1964-08-04 Multi Tron Lab Inc Character display cathode ray tube
US5389855A (en) * 1993-02-10 1995-02-14 Chunghwa Picture Tubes, Ltd. Multi-beam electron gun for monochrome CRT
AU2002366886A1 (en) * 2001-12-20 2003-07-09 Koninklijke Philips Electronics N.V. Cathode ray tube and electron gun

Also Published As

Publication number Publication date
GB521803A (en) 1940-05-31
BE431236A (en)
NL56598C (en)
FR846578A (en) 1939-09-20

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