Coil structure of deflection yoke in cathode ray tube
OwnerGyoo Hwan Kiminventor
Life of this patent
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Abstract
A cathode ray tube mounted with: a front glass panel; a funnel connected to the panel, thereby forming a vacuum tube; an electron gun emitting electron beams; and a deflection yoke deflecting the electron beams emitted from the electron gun in the horizontal and vertical direction; wherein the deflection yoke comprises: a deflection coil wound of a coil wire deflecting the electron beams; wherein the coil wire has a core reinforcing a magnetic field generated around the deflection coil, and the deflection coil wire comprises an aluminum core; a copper layer surrounding the aluminum core; and an insulating layer surrounding the copper layer
Claims22
A cathode ray tube comprising:
- a front glass panel;
- a funnel connected to the panel, thereby forming a vacuum tube;
- an electron gun emitting electron beams;
- and
- a deflection yoke deflecting the electron beams emitted from the electron gun in the horizontal and vertical direction;
- wherein the deflection yoke comprises:
- a deflection coil wound of a coil wire deflecting the electron beams;
- wherein the coil wire has a core reinforcing a magnetic field generated around the deflection coil, and the deflection coil wire comprises:
- an aluminum core;
- a copper layer surrounding the aluminum core;
- and
- an insulating layer surrounding the copper layer.
A cathode ray tube comprising:
- a front glass panel;
- a funnel connected to the panel, thereby forming a vacuum tube;
- an electron gun emitting electron beams;
- and a deflection yoke deflecting the electron beams emitted from the electron gun in the horizontal and vertical direction;
- wherein the deflection yoke comprises:
- a deflection coil wound of a coil wire deflecting the electron beams;
- a core reinforcing a magnetic field generated around the deflection coils, wherein the deflection coils comprises:
- an aluminum core;
- and
- an insulating layer including an insulator at a predetermined thickness surrounding the aluminum core.
A conductive coil wire, comprising:
- a conductive aluminum core;
- an insulating layer surrounding the conductive core;
- and
- a bonding layer including an adhesive surrounding the insulating layer.
Dependencies are inferred from the claim text.