Deflection yoke for cathode ray tube
AssigneeSamsung SDI Co., Ltd.
InventorsSung-Gu Hwang, Yasunobu Kuwahara
Life of this patent
Estimating the term…
Abstract
A deflection yoke for a cathode ray tube includes a ferrite core that has a body that is funnel-shaped and with an inner surface and an outer surface, the inner surface of the ferrite core including a first section formed as a circle with a predetermined, unvarying radius; a second section formed as a circle with a varying radius, the second section being connected to the first section; and a third section having a non-circular cross section and connected to the second section.
Claims13
A deflection yoke for a cathode ray tube including a ferrite core having a funnel-shaped body, an inner surface, and an outer surface, the inner surface of a cross section of the ferrite core comprising:
- a first section having, along a length thereon, a shape of a circle with a predetermined, unvarying radius;
- a second section having, along a length thereon, a shape of a circle with a varying radius, the second section being connected to the first section;
- and
- a third section having a non-circular shape and being connected to the second section, wherein the third section of the inner surface has a shape of interconnected segments of three circles, each of a different radius.
A deflection yoke for a cathode ray tube including a ferrite core having a funnel-shaped body, an inner surface and an outer surface, the inner surface of a cross section of the ferrite core comprising:
- a first section having, along a length thereon, a shape of a circle with a predetermined, unvarying radius;
- a second section having, along a length thereon, a shape of a circle with a varying radius, the second section being connected to the first section, and
- a third section having a non-circular shape and being connected to the second section, wherein the third section of the inner surface has a shape of segment of a circle and two pairs of substantially straight lines including a pair of vertical lines and a pair of horizontal lines.
A deflection yoke for a cathode ray tube including a ferrite core having a funnel-shaped body, an inner surface, and an outer surface, the inner surface of a cross section of the ferrite core comprising:
- a first section having, along a length thereon, a shape of a circle with a predetermined, unvarying radius;
- a second section having, along a length thereon, a shape of a circle with a varying radius, the second section being connected to the first section, and
- a third section having a non-circular shape and being connected to the second section, wherein the third section has a shape of interconnected segments of three circles and two substantially straight lines.
A deflection yoke for a cathode ray tube including a ferrite core having a funnel-shaped body, an inner surface, and an outer surface, the inner surface of a cross section of the ferrite core comprising:
- a first section having, along a length thereon, a shape of a circle with a predetermined, unvarying radius;
- a second section having, along a length thereon, a shape of a circle with a varying radius, the second section being connected to the first section;
- and
- a third section having a non-circular shape and being connected to the second section, wherein the first and second sections have surfaces rougher than a surface of the third section.
A deflection yoke for a cathode ray tube including a ferrite core having a funnel-shaped body, an inner surface and an outer surface, the inner surface of a cross section of the ferrite core comprising:
- a first section formed as having, along a length thereon, a shape of a circle with a varying radius;
- and
- a second section having a non-circular shape and being connected to the first section, wherein the second section of the inner surface has a shape of interconnected segments three circles, each of a different radius.
A deflection yoke for a cathode ray tube including a ferrite core having a funnel-shaped body, an inner surface and an outer surface, the inner surface of a cross section of the ferrite core comprising:
- a first section formed as having, along a length thereon, a shape of a circle with a varying radius;
- and
- a second section having a non-circular shape and being connected to the first section, wherein the second section of the inner surface has a shape of a segment of a circle and two pairs of substantially straight lines including a pair of vertical lines and a pair of horizontal lines.
A deflection yoke for a cathode ray tube including a ferrite core having a funnel-shaped body, an inner surface and an outer surface, the inner surface of a cross section of the ferrite core comprising:
- a first section formed as having, along a length thereon, a shape of a circle with a varying radius;
- and
- a second section having a non-circular shape and being connected to the first section, wherein the second section of the inner surface has a shape of interconnected segments of three circles and two subsantially straight lines.
A cathode ray comprising:
- a substantially rectangular panel;
- a funnel connected to the panel and having a cone shape;
- a neck connected to the funnel;
- a deflection yoke mounted to an outer circumference of the funnel;
- and
- a ferrite core mounted to a side of the deflection yoke, wherein the ferrite core includes a body having an inner surface and an outer surface, the inner surface of a cross section of the ferrite core comprising:
- a first section having, along a length thereon, a shape of a circle with a predetermined, unvarying radius;
- a second section having, along a length thereon, the shape of a circle with a varying radius, the second section being connected to the first section;
- and
- a third section having a non-circular shape and being connected to the second section, wherein the third section of the inner surface has a shape of interconnected segments of three circles, each of a different radius.
A cathode ray comprising:
- a substantially rectangular panel;
- a funnel connected to the panel and having a cone shape;
- a neck connected to the funnel;
- a deflection yoke mounted to an outer circumference of the funnel;
- and
- a ferrite core mounted to a side of the deflection yoke, wherein the ferrite core includes a body having an inner surface and an outer surface, the inner surface of a cross section of the ferrite core comprising:
- a first section having, along a length thereon, a shape of a circle with a predetermined, unvarying radius;
- a second section having, along a length thereon, the shape of a circle with a varying radius, the second section being connected to the first section;
- and
- a third section having a non-circular shape and being connected to the second section, wherein the third section of the inner surface has a shape of a segment of a circle and two pairs of substantially straight lines including a pair of vertical lines and a pair of horizontal lines.
Dependencies are inferred from the claim text.