FR846578A - Cathode ray tube with intensity control especially for television - Google Patents

Cathode ray tube with intensity control especially for television

Info

Publication number
FR846578A
FR846578A FR846578DA FR846578A FR 846578 A FR846578 A FR 846578A FR 846578D A FR846578D A FR 846578DA FR 846578 A FR846578 A FR 846578A
Authority
FR
France
Prior art keywords
television
ray tube
cathode ray
intensity control
control especially
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
French (fr)
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.)
Robert Bosch Fernsehanlagen GmbH
Original Assignee
Fernseh GmbH
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 GmbH filed Critical Fernseh GmbH
Application granted granted Critical
Publication of FR846578A publication Critical patent/FR846578A/en
Expired legal-status Critical Current

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
FR846578D 1937-11-24 1938-11-24 Cathode ray tube with intensity control especially for television Expired FR846578A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
FR846578A true FR846578A (en) 1939-09-20

Family

ID=5794470

Family Applications (1)

Application Number Title Priority Date Filing Date
FR846578D Expired FR846578A (en) 1937-11-24 1938-11-24 Cathode ray tube with intensity control especially for television

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
US2732511A (en) * 1953-04-03 1956-01-24 Dichter
NL111827C (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
WO2003054907A1 (en) * 2001-12-20 2003-07-03 Koninklijke Philips Electronics N.V. Cathode ray tube and electron gun

Also Published As

Publication number Publication date
BE431236A (en)
CH208860A (en) 1940-02-29
NL56598C (en)
GB521803A (en) 1940-05-31

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