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| Number | Title | Issue Date |
| 6897900 | Display apparatus comprising a cathode ray tube (CRT) A display apparatus, for instance a television receiver, comprises a cathode ray tube, a first circuit for providing a high voltage to the cathode and a second circuit receiving a gross signal and providing on at least an output at least a luminance signal controlli... | 05/24/2005 |
| 6822699 | Cathode ray tube and method of displaying picture A main picture is displayed in monochrome in a main picture display area by emission of a first phosphor layer formed of a white emission phosphor. A second phosphor layer formed of a phosphor different from the first phosphor layer is provided in a region different... | 11/23/2004 |
| 6717625 | Method and device for adjusting one or more projectors Method for adjusting one or more projectors, each projector generating a number of light beams of different color, characterized in that the projected picture (9-9A) is automatically adjusted during normal use of the projector (1-1A).... | 04/06/2004 |
| 5949400 | Method and apparatus for correcting a chromaticity diagram by a variable brightness An apparatus for correcting a chromaticity diagram by a variable brightness includes: a first grid voltage controller for controlling a first grid voltage to be a voltage of a predetermined level; a first grid voltage detector for detecting the first grid... | 09/07/1999 |
| 5682180 | Multi-color electronic display utilizing opponent colors An electronic display generates an image which, through substantial registry of two opponent vector images, is perceived as a full color image. The display receives two channels of information representing two opponent color vectors of an image to be disp... | 10/28/1997 |
| 5612710 | Real time low cost, large scale array 65K color display using lamps A large scale video display of the present invention is designed to receive a standard NTSC video signal and display it on a large scale array of low cost, voltage or current controlled lamp transducers. The video signals are received by a video capture d... | 03/18/1997 |
| 5298983 | Small, high-resolution color display apparatus Red, green, and blue signals are extracted from a composite video signal, compressed on the time axis, combined into a single RGB video signal, and displayed as three separate monochrome pictures on a single cathode-ray tube. Red, green, and blue light fr... | 03/29/1994 |
| 5010411 | Video display system A video display device comprising a display panel which has a large number of luminescent display cells arranged in an X-Y matrix and with a common drive circuit for applying an input video signal which substantially reduces the number of drive circuits b... | 04/23/1991 |
| 4990417 | Method of manufacturing a cathode ray tube A method for forming a phosphor pattern on a panel of a cathode ray tube to prevent the peeling of a black matrix from the glass panel when treated with an inversion solvent which involves forming a protective film of a transparent photosensitive material... | 02/05/1991 |
| 4815821 | Face plate for display A light-transmitting layer is formed on a transparent glass panel, the light-transmitting layer having a larger refractive index than that of the glass panel, and a light-absorbing layer having a light-transmitting region is formed on the light-transmitti... | 03/28/1989 |
| 4723158 | Method and apparatus for performing scan line diagnostic testing in a video monitor during a last-line overscan of a normal display raster A disclosed last-line overscan system and method allow for sampling of video display characteristics such as RGB cathode currents during each frame of displayed video for an underscanned video monitor without distortion of the visual display. Detection of... | 02/02/1988 |
| 4686575 | Very large color video matrix display apparatus with constant-current display cells driven by pulse-width-modulated video signals A video display system is disclosed, which includes a display device including a plurality of luminescent display cells arranged in an X-Y matrix form, each of the display cells having a cathode, a grid and a luminescent target electrode, a video signal s... | 08/11/1987 |
| 4683491 | Display system comprising a plurality of display cells arranged in an X-Y matrix and a plurality of horizontal-extending blinds disposed adjacent the upper edges of the display cells in the rows of the matrix A large-scale color picture display system comprises a plurality of fluorescent display cells arranged in an X-Y matrix to form a picture display device. Each display cell comprises a red, a green, and a blue fluorescent display element. Each of the displ... | 07/28/1987 |
| 4623821 | Color image display device A color image display device comprises an optical sectioning plate interposed between adjacent light emitting parts of said cathode ray tubes, and a light diffusing plate opposite to the front face of the light emitting part of said each individual cathod... | 11/18/1986 |
| 4491863 | Color display apparatus A color display device having a display surface constituted by a number of picture elements in which each picture element is made up of one red light emitting elements, two green light emitting elements and one blue light emitting element, to improve the ... | 01/01/1985 |
| 4368485 | Billboard large screen TV A billboard video display system comprises a plurality of cathode ray tubes arranged in a predetermined configuration, each of the cathode ray tubes including a viewing screen characterized by a coarse color phosphor pattern. The electron beam generated b... | 01/11/1983 |
