DE569578C - Arrangement for the compensation of the influence of the magnetic field of the heating current with direct alternating current supply of the filament of cathode ray tubes - Google Patents

Arrangement for the compensation of the influence of the magnetic field of the heating current with direct alternating current supply of the filament of cathode ray tubes

Info

Publication number
DE569578C
DE569578C DEK121688D DEK0121688D DE569578C DE 569578 C DE569578 C DE 569578C DE K121688 D DEK121688 D DE K121688D DE K0121688 D DEK0121688 D DE K0121688D DE 569578 C DE569578 C DE 569578C
Authority
DE
Germany
Prior art keywords
filament
magnetic field
cathode ray
influence
arrangement
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
DEK121688D
Other languages
German (de)
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.)
ERICH KINNE
Original Assignee
ERICH KINNE
Publication date
Priority to DEK121688D priority Critical patent/DE569578C/en
Application granted granted Critical
Publication of DE569578C publication Critical patent/DE569578C/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
    • H01J29/484—Eliminating deleterious effects due to thermal effects, electrical or magnetic fields; Preventing unwanted emission

Landscapes

  • X-Ray Techniques (AREA)

Description

Hierzu 1 Blatt Zeichnungen1 sheet of drawings

Claims (1)

Patentanspruch:Claim: Anordnung zur Kompensation des Einflusses des magnetischen Feldes des Heizstromes bei direkter Wechselstromspeisung des Glühfadens von Kathodenstrahlröhren, gekennzeichnet durch eine Einrichtung zur Erzeugung eines elektrischen Feldes der Frequenz des Heizstromes in der Nähe des Glühfadens, derart, daß die durch das Magnetfeld des Heizfadens bedingte Ablenkung des Kathodenstrahles kompensiert wird.Arrangement to compensate for the influence of the magnetic field of the heating current with direct alternating current supply of the filament of cathode ray tubes, characterized by a device to generate an electric field of the frequency of the heating current in the vicinity of the filament, such that the The deflection of the cathode ray caused by the magnetic field of the filament is compensated.
DEK121688D Arrangement for the compensation of the influence of the magnetic field of the heating current with direct alternating current supply of the filament of cathode ray tubes Expired DE569578C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEK121688D DE569578C (en) Arrangement for the compensation of the influence of the magnetic field of the heating current with direct alternating current supply of the filament of cathode ray tubes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEK121688D DE569578C (en) Arrangement for the compensation of the influence of the magnetic field of the heating current with direct alternating current supply of the filament of cathode ray tubes

Publications (1)

Publication Number Publication Date
DE569578C true DE569578C (en) 1933-02-03

Family

ID=7244909

Family Applications (1)

Application Number Title Priority Date Filing Date
DEK121688D Expired DE569578C (en) Arrangement for the compensation of the influence of the magnetic field of the heating current with direct alternating current supply of the filament of cathode ray tubes

Country Status (1)

Country Link
DE (1) DE569578C (en)

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