CH415741A - Vorrichtung zur Beseitigung der magnetischen Remanenz im ferromagnetischen Kreis der Ablenkspulen einer Kathodenstrahlröhre - Google Patents

Vorrichtung zur Beseitigung der magnetischen Remanenz im ferromagnetischen Kreis der Ablenkspulen einer Kathodenstrahlröhre

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)
English (en)
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/de

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

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Video Image Reproduction Devices For Color Tv Systems (AREA)
  • Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
CH123365A 1964-02-12 1965-01-28 Vorrichtung zur Beseitigung der magnetischen Remanenz im ferromagnetischen Kreis der Ablenkspulen einer Kathodenstrahlröhre CH415741A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL646401167A NL140650B (nl) 1964-02-12 1964-02-12 Afbuigstelsel voor een kathodestraalbuis, welk stelsel bij elke afbuigspoel voorzien is van een weerstand bevattende middelen voor het opheffen van het remanente magnetisme in de ferromagnetische kern van de normaliter kritisch gedempte afbuigspoelen.

Publications (1)

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

Family

ID=19789250

Family Applications (1)

Application Number Title Priority Date Filing Date
CH123365A CH415741A (de) 1964-02-12 1965-01-28 Vorrichtung zur Beseitigung der magnetischen Remanenz im ferromagnetischen Kreis der Ablenkspulen einer Kathodenstrahlröhre

Country Status (6)

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

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7112929A (ja) * 1971-09-21 1973-03-23
US4095143A (en) * 1976-07-21 1978-06-13 Gte Sylvania Incorporated Electron beam crossover correction circuitry
NL7707476A (nl) * 1977-07-06 1979-01-09 Philips Nv Werkwijze voor het vervaardigen van een kleuren- beeldbuis en kleurenbeeldbuis vervaardigd vol- gens die werkwijze.
JPH0339969U (ja) * 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
NL6401167A (ja) 1965-08-13
GB1048452A (en) 1966-11-16
US3456149A (en) 1969-07-15
NL140650B (nl) 1973-12-17
DE1274744B (de) 1968-08-08
BE659100A (ja) 1965-05-28

Similar Documents

Publication Publication Date Title
AT285301B (de) Spuleneinheit für Vorrichtungen zur magnetischen Werkstückverformung
CH415741A (de) Vorrichtung zur Beseitigung der magnetischen Remanenz im ferromagnetischen Kreis der Ablenkspulen einer Kathodenstrahlröhre
CH436506A (de) Supraleitende Magnetspule
AT276548B (de) Magnetfeldbetätigter Kontaktgeber
IL27304A (en) Devices for measuring magnetic field gradients
FI41465C (fi) Spinkytkentäinen ydinmagneettisesti resonoiva magnetometri
CA696102A (en) Counting circuits using magnetic cores
CH517362A (de) Elektromagnet mit von einem Spulenkern lösbaren Magnetjoch
CA684571A (en) Electromagnetic measuring coil
CA693812A (en) Magnetic resonance apparatus for measuring magnetic fields
CA767255A (en) Devices for the measurement of weak magnetic fields by nuclear induction
AU402999B2 (en) Coil assembly for magnetic forming apparatus
CA736080A (en) Apparatus for improving the homogeneity of a magnetic field
CA680823A (en) Varying the inductance of a coil in steps by means of bias magnetization
IE27601L (en) Magnetic cores
IL29748A (en) Magnetically coupled core and coil arrangement for magnetic compass
CA687652A (en) Magnetic core circuits
CA661754A (en) Device for the measurement of magnetic fields by magnetic resonance
CA698168A (en) Permanent magnet ferrite
CA546982A (en) Electrical apparatus in which a permanent magnet is included in the magnetic circuit
CA664629A (en) Magnetic core resetting device
AU1779567A (en) Coil assembly for magnetic forming apparatus
FR1444710A (fr) Dispositif pour éliminer le magnétisme rémanent dans le noyau ferro-magnétique des bobines de déviation d'un tube à faisceau cathodique
CA662673A (en) Methods of measuring weak magnetic fields by nuclear induction
CA606140A (en) Inductor comprising a permanently premagnetized magnet core