Cathode ray tube deflection yoke

The present invention relates to a deflection yoke for a cathode ray tube and, in particular, to a deflection yoke including a coil having a non-constant distribution of turns. A cathode ray tube deflection yoke is provided wherein the deflection yoke includes a plurality of deflection coils. One or...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Carpinelli, Joseph Michael, Grote, Michael Denton, Fields, John Richard
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:The present invention relates to a deflection yoke for a cathode ray tube and, in particular, to a deflection yoke including a coil having a non-constant distribution of turns. A cathode ray tube deflection yoke is provided wherein the deflection yoke includes a plurality of deflection coils. One or more of the deflection coils have a non-constant distribution of turns, whereby an electron beam passing through the deflection yoke is deflected by a magnetic field that varies according to different numbers of turns relative to position of electrons of the electron beam between the entrance and exit of the deflection yoke. The non-constant turns distribution may be linear or non-linear, may be monotonic or non-monotonic, and/or may have a positive or negative turns bias, either in whole or in part. The horizontal deflection coil and/or the vertical deflection coil, or both, may have a non-constant turns distribution.