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7550909 |
Electron gun providing improved thermal isolation
An electron gun comprises a shell having distal and proximal ends, a cathode structure disposed within the shell and having an electron emitting surface, an anode physically coupled to the shell at...
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7501748 |
CRT funnel section
A Cathode Ray Tube (CRT) includes a panel having long and short axes and a tube axis perpendicular to the long and short axes, the panel including an inner phosphor screen. A funnel is attached to...
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7411342 |
Deflection unit for self-converging cathode-ray tubes with reduced trapezoid differential
Electromagnetic deflection unit for colour cathode-ray tubes, including a pair of frame deflection coils and a pair of line deflection coils, at least one of these two pairs of coils having the...
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7379293 |
Multiple split ring cathode ray tube clamp
A multiple split ring clamp for securing a printed circuit board on a cathode ray tube, in which the clamp first split ring has overlapping jaws and teeth on each end of the jaws, wherein the jaws...
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7368865 |
Cathode ray tube with a conical portion
A display tube has an evacuated envelope with a display panel, a cone (or funnel) portion and a neck portion. The cone portion has a cone body portion and a parabolic portion. The contour of the...
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7355331 |
Cathode-ray tube apparatus
In a cross-section including a tube axis, assuming that T 1 represents a thickness of a funnel at a point on an outer circumferential surface of the funnel, which is placed at the same position in...
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7315112 |
Color cathode-ray tube apparatus
An insulating frame of a deflection yoke is fixed to a funnel with a metal band and a metal screw. A partition formed so as to be integrated with a holder holding a magnet ring of a CPU includes a...
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7312565 |
Color cathode ray tube apparatus
In the vicinity of an end on the side of a large diameter portion of a deflection device, a pair of first permanent magnets for converging three electron beams in an X-axis direction and a pair of...
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7274135 |
Color picture tube apparatus with particular deflection yoke structure
A deflection yoke includes ferrite core, horizontal deflection coil, vertical deflection coil, and insulating frame for insulating the horizontal and vertical deflection coils. The deflection yoke...
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7227301 |
Cathode-ray tube device capable of reducing misconvergence
A cathode-ray tube device including a deflection yoke for deflecting an electron beam emitted from an electron gun in horizontal and vertical directions. The deflection yoke has a vertical...
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7227300 |
Projection tube apparatus
A projection tube apparatus includes: a valve made up of a face panel having a screen face on its external face, a funnel connected to a rear portion of the face panel, and a neck portion; an...
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7211941 |
Deflection yoke and cathode-ray tube apparatus
A deflection yoke includes a horizontal deflection coil, a vertical deflection coil, an insulating frame made of an insulating material, a deflection adjusting plate attached to an outer...
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7209345 |
Cathode ray tube clamp
A clamp for securing a printed circuit board on a cathode ray tube, in which the clamp has a split ring with overlapping jaws and teeth on each end of the jaws, wherein the jaws and teeth are...
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7183703 |
Cathode ray tube and manufacturing method of deflection coil
A cathode ray tube comprises a panel having a fluorescent screen on an inner surface; a funnel connected to the panel, an electron gun housed in the funnel; emitting electron beams; and a shadow...
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7157998 |
Ferrite core, deflection yoke, and color picture tube apparatus
A ferrite core constituting a deflection yoke has a plurality of ridge-shaped convex portions on an inner circumferential surface. In a cross-section orthogonal to a center axis, the...
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7154215 |
Color cathode ray tube capable of reducing stress
A color cathode ray tube has features to decrease mechanical stress due to internal pressure made by evacuation. The cathode ray tube includes a panel on an inner surface of which a phosphor screen...
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7138755 |
Color picture tube apparatus having beam velocity modulation coils overlapping with convergence and purity unit and ring shaped ferrite core
A CPU for adjusting color purity and color displacement at the center of a screen is provided on an outer circumferential surface of a neck portion. BVM coils for modulating a scanning velocity in...
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7129628 |
Velocity modulation coil apparatus and cathode-ray tube apparatus
A pair of velocity modulation coils are placed with a horizontal plane including a tube axis interposed therebetween, and a pair of magnetic substances are placed with a vertical plane including a...
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7129627 |
Color picture tube apparatus
A ferrite core constituting a deflection yoke includes a plurality of convex portions in a ridge shape on an inner surface thereof. Among the plurality of convex portions, assuming that the convex...
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7126292 |
Cathode-ray tube apparatus
A deflection coil for deflecting an electron beam emitted from an electron gun is provided outside a cathode-ray tube in which the electron gun is housed, and a phosphor screen is formed. The...
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7119485 |
Cathode-ray tube apparatus
BVM coils for modulating a scanning velocity in a horizontal direction of electron beams emitted from an electron gun are provided at a position where the BVM coils are overlapped with an electron...
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7098584 |
Deflection yoke
A deflection yoke is used for a cathode ray tube (CRT) including a glass tube having a screen surface and a straight portion for accommodating an electron gun. The deflection yoke includes a main...
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7078853 |
Deflection apparatus for cathode ray tube
A deflection apparatus for a cathode ray tube includes a horizontal deflection coil, a vertical deflection coil positioned external to the horizontal deflection coil, an insulating member...
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7064478 |
Color cathode-ray tube having internal magnetic screening
The invention is a color cathode-ray tube having a rectangular front face connected to a funnel shaped rear part, a neck connected to the rear part and having an electron gun therein, the gun is...
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7061170 |
Deflection yoke having magnets for correcting raster distortion and cathode-ray tube apparatus having the deflection yoke
A permanent magnet is selectively picked for a deflection yoke and provided on the periphery of the cathode ray tube for controlling the direction of an electron beam emitted towards a screen from...
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7038368 |
Color picture tube apparatus having a pair of bar shaped magnets for correcting misconvergence due to the rotational shift of the electron beams
On an outer circumferential surface of a neck portion of a funnel, a CPU having a pair of quadrupole magnets and a pair of bar-shaped magnets each having magnetic poles on both sides in a major...
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7012360 |
Cathode ray tube apparatus having velocity modulation coil
A CRT apparatus is composed of a CRT, a deflection yoke, a velocity modulation coil, and a magnetic member. The CRT includes a glass bulb made up of a panel and a funnel connected together and an...
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7005788 |
Magnetic device for correcting image geometry defects for cathode-ray tubes
Deflection yoke for cathode-ray tubes with a north/south geometry correction comprising a pair of horizontal deflection coils and a pair of vertical deflection coils, the two pairs being isolated...
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6984929 |
Color picture tube apparatus with pincushion distortion correction
A color picture tube apparatus having a system for increasing an upper and lower pincushion distortion in the peripheral portion in the vertical direction by making the preliminary vertical...
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6979945 |
Ferrite core structure for color cathode ray tube
A cathode ray tube having a ferrite core with a modified sectional configuration facilitates the correction of a mis-convergence along a diagonal direction of a screen, improves the efficiency with...
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6975064 |
Cathode ray tube having funnel with a reverse curvature
This invention relates to a cathode ray tube having a funnel in the shape of a reverse curvature designed to improve the strength for the glass manufacturing process and test specification. In the...
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6958573 |
Asymmetric shunt for deflection yoke for reducing diagonal symmetric defects
Deflection yoke for a cathode-ray tube has at least one pair of saddle-shaped coils. The saddle-shaped coils form an asymmetric field in the vicinity of a front conductor assembly. The field...
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6949875 |
Deflection yoke for cathode ray tube
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...
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6943490 |
Deflection yoke with improved deflection sensitivity
A deflection yoke mounted on a rear portion of a cathode ray tube (CRT) to deflect an electron beam emitted from an electron gun of the CRT includes a coil separator mounted on the CRT, a...
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6940215 |
Cathode ray tube
The present invention relates to a cathode ray tube, and more particularly, to a funnel for CRT to increase the BSN neck shadow margin by changing the shape of the yoke portion.
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6933667 |
Deflection yoke having short-circuited coil in convergence yoke portion
The invention provides a deflection yoke device comprising a main yoke portion 4 for deflecting an electron beam emitted by an electron gun, and a convergence yoke portion 5 for adjusting the...
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6927532 |
Resistor for electron gun assembly with the resistor, and cathode-ray tube apparatus with the resistor
A resistor for an electron gun assembly includes an insulating substrate, a plurality of electrode elements provided on the insulating substrate, a resistor element provided on the insulating...
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6924590 |
Color picture tube device with distortion correction coils
A color picture tube device has a funnel glass, a pair of horizontal deflection coils, an insulating frame, and a pair of vertical deflection coils. The pair of horizontal deflection coils are...
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6924589 |
Color picture tube device having improved horizontal convergence
A color picture tube device that can adjust convergence without causing increases in cost and in power consumption is provided. One pair of magnetic flux generation means for generating a static...
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6922011 |
Deflection system for cathode ray tubes
The present invention relates to a display device comprising a cathode ray index tube ( 1 ) having a neck portion ( 1 ″) and a screen portion ( 1 ). The display device comprises an electron gun...
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6917168 |
Cathode ray tube device and a television set using the same
Sensitivity of a velocity modulation device is increased and noise such as a leakage magnetic field and a leakage electric field from the device are reduced to thereby lower power consumed by the...
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6914505 |
Deflection yoke and CRT device
The invention provides a deflection yoke comprising: a tube-shaped core made of a magnetic material that has on its inner wall, ridges each of which extends along the CRT axis direction, the ridges...
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6888325 |
Method for self correcting inner pin distortion using horizontal deflection coil and deflection yoke thereof
Disclosed is a method for correcting inner pin distortion generated in the CRT product and deflection yoke thereof. According to the disclosed method and deflection yoke thereof, the additional...
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6885143 |
Cathode ray tube with offset deflection center
A cathode ray tube is provided, and more particularly, a cost-effective cathode ray tube effective for minimizing deterioration of color purity and obtaining a sufficient margin for a beam strike...
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6882097 |
Deflection yoke
A deflection yoke apparatus include a saddle-type coil bobbin, first guide grooves, second guide groove, third guide groove, and a multi-wire conductor. The saddle-type coil bobbin has a front end...
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6879095 |
Deflection yoke and cathode ray tube apparatus provided with the same
A deflection yoke on a yoke mounting portion with a truncated pyramid shape has a pair of saddle-type horizontal deflecting coils that is located symmetrically with a central axis and has a...
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6876138 |
CRT with funnel having quadrangular yoke portion
In a color cathode ray tube, by optimizing an outer radios of curvature, an inner radius of curvature on a corner portion, a thickness of a long side, a thickness of a short side, a thickness of...
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6870331 |
Space-saving cathode ray tube employing a non-self-converging deflection yoke
In a cathode ray tube, plural electron beams are directed towards a faceplate biased at screen potential and are magnetically scanned by a non-self-converging deflection yoke across the faceplate...
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6861793 |
Color picture tube device with improved horizontal resolution
A color picture tube device that can suppress the deformation of the electron beam spot shape and improve the horizontal resolution using a simple construction is provided. A horizontal deflection...
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6841925 |
Deflection yoke
Disclosed is a deflection yoke comprising: a fastening band of a ring shape assembled on an outer periphery of a neck portion in a coil separator by a fixing manner, provided for being extended and...
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