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| Number | Title | Issue Date |
| 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 has a cross section that satisfies the following A to C. A: A plurali... | 09/25/2007 |
| 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 tube axis interposed therebetween. A straight line portion of the vel... | 10/31/2006 |
| 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 gun in a tube axis direction, and a pair of magnetic substance pieces... | 10/10/2006 |
| 7009321 | Compact two-axis wide gap torquer motor A novel design concept for a torquer motor is useful for stabilizing apparatuses in a vibrating structure. According to one aspect, a novel design for a coil pair is provided. A first coil in the pair is box shaped with a hollow interior portion and windings provide... | 03/07/2006 |
| 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 which electrons within electron beams are deflected, and is manufact... | 12/27/2005 |
| 6963181 | Cathode-ray tube, cathode-ray tube apparatus, image display apparatus, and coil unit A color cathode-ray tube apparatus having: a glass bulb including a face panel, a funnel, and a neck; a deflection yoke attached to the funnel to surround thereof; and a color-selection electrode disposed inside the face panel. A pair of degaussing coils are wound a... | 11/08/2005 |
| 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 including a first section formed as a circle with a predetermined, unvarying ... | 09/27/2005 |
| 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 convergence of the electron beam. The convergence yoke porti... | 08/23/2005 |
| 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 assembly (3) for generating a plurality of elect... | 07/26/2005 |
| 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 device. A cathode ray tube device and a television set each include a ... | 07/12/2005 |
| 6903520 | Deflection york and CRT device using the deflection york Disclosed is a deflection yoke mounted around a glass bulb of a CRT so as to cover a predetermined area of the glass bulb. The predetermined area is where an outer shape of the glass bulb smoothly goes from circular to substantially rectangular along a tube axis of ... | 06/07/2005 |
| 6707510 | Deflection yoke having horizontal deflection coils and a balance coil and method for constructing thereof A deflection yoke has first and second horizontal deflection coils formed of a solid wire. A first bobbin and a second bobbin are formed in one-piece construction with each other. The first coil-end lead of the first horizontal deflection coil and the second coil-en... | 03/16/2004 |
| 6633141 | Display device with deflection means and means for influencing the distance between electron beams A cathode ray tube display having an in-line tube includes an electromagnetic unit for dynamically influencing the path or shape of the electron beams. The power for supplying current to the electromagnetic unit is drawn from the line deflection circuit, ... | 10/14/2003 |
| 6630803 | Color display device having quadrupole convergence coils The invention relates to a color display device comprising an in-line electron gun (5) for generating three electron beams (6, 7, 8), and a convergence unit (14') to dynamically influence the convergence of the electron beams and deflecting means (51) for... | 10/07/2003 |
| 6577082 | Deflection yoke for braun tube In a deflection yoke for a braun tube deflecting an electron beam radiated from an electron gun to a screen and including a horizontal deflection coil, a vertical deflection coil and a ferrite core, the horizontal deflection coil is installed inside a fun... | 06/10/2003 |
| 6492783 | Deflection yoke and cathode ray tube device Horizontal line misconvergences produced at screen upper and lower portions, among rasters displayed by side electron beams are corrected without producing degradation in vertical deflection sensitivity so much and changing horizontal trapezoidal distorti... | 12/10/2002 |
| 6380698 | Deflection yoke with improved deflection sensitivity A deflection yoke is described for use in a cathode ray tube, which has an improved deflection sensitivity. The deflection yoke includes a ferrite core, a vertical coil to generate a vertically defecting magnetic field and a horizontal coil to generated a... | 04/30/2002 |
| 6366034 | Electric current variable-type inductor having closed loop characteristics and a horizontal linearity compensation circuit A current variable inductor having closed loop characteristics and a horizontal linearity compensation circuit. The current variable inductor having the closed loop characteristics is constructed with the legs of the first E-shaped core and the legs of th... | 04/02/2002 |
| 6359397 | Deflection yoke and color cathode ray tube receiver using same In a deflection yoke for use in a color cathode ray tube receiver, two sets of sextuple pole coils formed of bifilar windings are disposed around the orbits of three electron beams emitted from an electron gun of a cathode ray tube. Horizontal-period para... | 03/19/2002 |
| 6351084 | Method and a device for reducing an electric field produced by a cathode ray tube in its surroundings The invention relates to a method and a device for reducing an electric field produced by display devices equipped with cathode ray tubes, in their surroundings. According to the invention, a part of a spectrum (ff), caused by a picture content, the level... | 02/26/2002 |
| 6291948 | Image distortion correction circuit An image distortion correction circuit is provided in which a horizontal deflection current (IH) flows through horizontal correction coils (L1, L2) and a vertical deflection current (IV) flows through either of vertical correction coils (L3, L4). The vert... | 09/18/2001 |
| 6285141 | Deflection yoke and cathode ray tube A deflection yoke and a color cathode ray tube using the same therein and adapted for exact correction of misconvergence caused when horizontal positional deviations are induced between electron beams and a vertical deflection magnetic field. In the defle... | 09/04/2001 |
| 6252359 | Deflection apparatus The present invention is intended to provide a deflection apparatus which is able to effect an excellent convergence correction by improving an interference between a coma aberration correction coil and a convergence correction coil. In the deflection app... | 06/26/2001 |
| 6225764 | Linearity correction coil device and video display apparatus using the same A linearity correction coil device and a video display apparatus using the same are disclosed. In a video display apparatus having a cathode-ray tube, a deflecting yoke for deflecting the electron beam and a linearity correction coil device for compensati... | 05/01/2001 |
| 6097163 | Electron beam deflection apparatus using an auxiliary deflection coil and a compensation coil An apparatus for electron beam deflection in a cathode ray tube, in particular in a picture tube of a television set, comprises a deflection coil arrangement for horizontal and vertical deflection of the electron beam, an auxiliary deflection coil arrange... | 08/01/2000 |
| 5990636 | Linearity coil of horizontal deflecting circuit A linearity coil of a horizontal deflecting circuit includes a core; a winding connected in series to a horizontal deflecting coil and wound on the core; and a pair of permanent magnets respectively fixed to both ends of the core in the direction of incre... | 11/23/1999 |
| 5828189 | Process and apparatus for magnetizing a magnetic ring for static convergence correction in a CRT A process and apparatus are described for custom magnetizing a magnetic ferrite ring on the outside of the neck of a color cathode ray tube (CRT), in order to provide correction of convergence, color purity and frame errors in the CRT. The two step proces... | 10/27/1998 |
| 5581162 | CRT display A CRT display for producing picture images on a cathode ray tube comprising a bipolar electromagnet located at a neck portion of a cathode ray tube and having field coils to produce a bipolar magnetic field for imparting a corrective horizontal or vertica... | 12/03/1996 |
| 5512802 | Colour display tube including a convergence correction device Convergence correction device for a color display tube comprising a rolled-up flexible support provided with two convergence correction coil systems at its inner surface as well as its outer surface. The coils of each system are of the spiral-shaped type ... | 04/30/1996 |
| 5446432 | Saddle type deflection coil A saddle type deflection coil assembly is formed of a plurality of conductor wires which are not displaced and biassed. A resulted multicore parallel conductor wire is thus not twisted. The deflection coil assembly includes an external coil constructed by... | 08/29/1995 |
| 5436536 | Display tube including a convergence correction device Display tube including a convergence correction device which comprises a plurality of correction coils having coplanar axes and being arranged around the tube neck. The coils are of the planar type. More specifically, there are two sets of four coils for ... | 07/25/1995 |
| 5412362 | Deflection coil and fabrication method thereof A deflection coil is formed into a saddle shape by winding up a conductive wire ribbon in layers, such that the layered wire ribbon is formed in its cross-section into a parallelogram with adjoining sides crossing one another at other than 90 degrees. The... | 05/02/1995 |
| 5402091 | Frame body for use in winding a coil for deflection yoke A coil-winding frame body for deflection yoke coil, includes: a straight portion formed as a neck side; a trumpet-shaped curved surface portion spreading outward from the end of the straight portion toward a head side; and a plurality of flanges formed on... | 03/28/1995 |
| 5172035 | Convergence system A system for generating magnetic fields to converge a plurality of electron beams in a cathode-ray tube including at least one convergence yoke having a core with a ring-shaped outer periphery and a plurality of magnetic poles on an inner periphery thereo... | 12/15/1992 |
| 5086259 | System for converging a plurality of electron beams in cathode ray tube A convergence system for a cathode-ray tube having three detection magnetic pole pieces are disposed opposing to each other on both sides of a center beam for forming magnetic paths inside the neck part of a cathode-ray tube. A first convergence yoke is d... | 02/04/1992 |
| 4642528 | Picture correcting apparatus for use with in-line type color picture tube In a deflection yoke of self-convergence system for use with in-line type color picture tube, the intensity of a magnetic field, which causes the change in impedance of coils of saturable reactors respectively connected in series with two horizontal defle... | 02/10/1987 |
| 4642527 | In-line color picture tube apparatus with dynamic convergence correction device There is provided an in-line color picture tube apparatus with a dynamic convergence correction device. Dynamic convergence correction means is disposed between a self-convergence deflection yoke and a static convergence correction magnet assembly which a... | 02/10/1987 |
| 4638219 | Apparatus for adjusting the position of a deflector on a television tube, particularly a color tube An apparatus for adjusting the position of the deflector of a television tube, particularly a color tube, especially so that the tube deflector assembly may become autoconvergent. The apparatus comprises a platform movable in accordance with n degrees of ... | 01/20/1987 |
| 4636694 | Process and apparatus for the rapid adjustment of the static convergence and purity in a television tube, by using a permanent magnet Process for adjusting the static convergence and/or purity of a color television tube by using a magnetic ring surrounding the neck of the tube and coils creating in this ring induction poles of values selected to carry out the adjustment. To the terminal... | 01/13/1987 |
| 4636693 | Deflection yoke having a function for adjusting deflection field A pair of horizontal deflection coils of a deflection yoke comprises a combination of two horizontal coil sections and a current regulator for regulating the horizontal deflection current which flows through the coils is connected across these two horizon... | 01/13/1987 |
