CH415741A - Device for eliminating the magnetic remanence in the ferromagnetic circuit of the deflection coils of a cathode ray tube - Google Patents

Device for eliminating the magnetic remanence in the ferromagnetic circuit of the deflection coils of a cathode ray tube

Info

Publication number
CH415741A
CH415741A CH123365A CH123365A CH415741A CH 415741 A CH415741 A CH 415741A CH 123365 A CH123365 A CH 123365A CH 123365 A CH123365 A CH 123365A CH 415741 A CH415741 A CH 415741A
Authority
CH
Switzerland
Prior art keywords
eliminating
ray tube
cathode ray
deflection coils
magnetic remanence
Prior art date
Application number
CH123365A
Other languages
German (de)
Inventor
Gerhardus Scholte Va Bernardus
Original Assignee
Hollandse Signaalapparaten Bv
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 Hollandse Signaalapparaten Bv filed Critical Hollandse Signaalapparaten Bv
Publication of CH415741A publication Critical patent/CH415741A/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
    • H01J29/70—Arrangements for deflecting ray or beam
    • H01J29/72—Arrangements for deflecting ray or beam along one straight line or along two perpendicular straight lines
    • H01J29/76—Deflecting by magnetic fields only
    • 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
    • H01J29/003—Arrangements for eliminating unwanted electromagnetic effects, e.g. demagnetisation arrangements, shielding coils
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2229/00—Details of cathode ray tubes or electron beam tubes
    • H01J2229/0007—Elimination of unwanted or stray electromagnetic effects
    • H01J2229/0046—Preventing or cancelling fields within the enclosure
    • H01J2229/0053—Demagnetisation
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2229/00—Details of cathode ray tubes or electron beam tubes
    • H01J2229/96—Circuit elements other than coils, reactors or the like, associated with the tube
    • H01J2229/964—Circuit elements other than coils, reactors or the like, associated with the tube associated with the deflection system
CH123365A 1964-02-12 1965-01-28 Device for eliminating the magnetic remanence in the ferromagnetic circuit of the deflection coils of a cathode ray tube CH415741A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL646401167A NL140650B (en) 1964-02-12 1964-02-12 DEFLECTION SYSTEM FOR A CATHOD RADIUS TUBE WHICH SYSTEM EQUIPPES EACH DEFLECTION COIL WITH RESISTANT MEANS FOR CANCELLATION OF REMANENT MAGNETISM IN THE FERROMAGNETIC CORE OF THE NORMALITER CRITICALLY MUFFLED.

Publications (1)

Publication Number Publication Date
CH415741A true CH415741A (en) 1966-06-30

Family

ID=19789250

Family Applications (1)

Application Number Title Priority Date Filing Date
CH123365A CH415741A (en) 1964-02-12 1965-01-28 Device for eliminating the magnetic remanence in the ferromagnetic circuit of the deflection coils of a cathode ray tube

Country Status (6)

Country Link
US (1) US3456149A (en)
BE (1) BE659100A (en)
CH (1) CH415741A (en)
DE (1) DE1274744B (en)
GB (1) GB1048452A (en)
NL (1) NL140650B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7112929A (en) * 1971-09-21 1973-03-23
US4095143A (en) * 1976-07-21 1978-06-13 Gte Sylvania Incorporated Electron beam crossover correction circuitry
NL7707476A (en) * 1977-07-06 1979-01-09 Philips Nv PROCEDURE FOR MANUFACTURING A COLOR IMAGE TUBE AND COLOR IMAGE TUBE MADE IN ACCORDANCE WITH THAT PROCESS.
JPH0339969U (en) * 1989-08-30 1991-04-17

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2007380A (en) * 1932-11-30 1935-07-09 Rca Corp Cathode ray apparatus
US2114841A (en) * 1936-04-16 1938-04-19 Westinghouse Electric & Mfg Co Regulating system
US2228821A (en) * 1938-10-01 1941-01-14 Gen Electric Magnetic sweep coil circuit
US2279849A (en) * 1940-05-16 1942-04-14 Gen Electric Control of electromagnetic devices
US3153174A (en) * 1961-01-27 1964-10-13 Westinghouse Electric Corp Television width linearity control

Also Published As

Publication number Publication date
GB1048452A (en) 1966-11-16
DE1274744B (en) 1968-08-08
BE659100A (en) 1965-05-28
NL140650B (en) 1973-12-17
US3456149A (en) 1969-07-15
NL6401167A (en) 1965-08-13

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