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| Number | Title | Issue Date |
| 4628305 | Color display unit A plurality of picture RAMs are synchronously accessed by a CRT controller, and the priority levels of the outputs from the picture RAMs are specified by priority specifying means. A priority circuit has as inputs the outputs of the picture RAMs and selec... | 12/09/1986 |
| 4628304 | System for generating tricolor video signals, such as a game, and a removable cartridge intended for such a system A system for generating color video signals, such as a game and a removable cartridge intended for such a system. Signal generating system comprising a storage cartridge (1), manual control (2), a data handling microprocessor (3), a main generator (4) for... | 12/09/1986 |
| 4626835 | RGBI digital video control system having intensity level control and overall image strength control An RGBI digital video control system for a color video monitor has first means for varying the level of received digital color video information, typically sixteen-color, four bit information, and second means for providing graduated RGB analog output sig... | 12/02/1986 |
| 4620289 | Video display system In this apparatus, a composite memory 5 includes a managing memory (5g) containing for each line of the frame to be displayed, a word made up of information relating to the composition of the line in question. This information can define a base color, the... | 10/28/1986 |
| 4618937 | Spot quantitation Describes a method and system for improving the ability to quantitate the amount of flux or material in localized collections of such flux or material typically called a "spot". Quantitation of spots using a software algorithm which utilizes models in two... | 10/21/1986 |
| 4604555 | Intensity modulation circuit for cathode-ray tubes An intensity modulation circuit for a cathode-ray display device. Designating circuitry produces digital signals representative of at least two areas of the display of the cathode-ray tube. Analog signal producing circuitry produces from said digital sign... | 08/05/1986 |
| 4603319 | Digital-to-analog converter with reduced output capacitance In a digital video signal processing system including an image displaying kinescope, a digital-to-analog signal converter (DAC) comprises a VMOS transistor arrangement with a gate electrode, a drain electrode from which output analog signals are provided,... | 07/29/1986 |
| 4600918 | Equipment for reproduction of alphanumerical data The invention relates to a television set provided with a alphanumerical display device for displaying on the television screen (6), as an alternative to the received video picture, another complete picture constituted by alphanumerical data which can com... | 07/15/1986 |
| 4591842 | Apparatus for controlling the background and foreground colors displayed by raster graphic system Apparatus for controlling the colors displayed by a raster graphic system. Information stored at each addressable location of a RAM includes a set of behavior bits and a set of control bits. These bits are read out of memory during each memory read cycle.... | 05/27/1986 |
| 4591902 | Matrix type color television panel driver circuit A column electrode driver circuit for a matrix type color television panel in which a color television picture is displayed by a time sharing drive comprises analog line memories, analog latch circuits and analog pulse width modulating circuits. The use o... | 05/27/1986 |
| 4590463 | Digital control of color in CRT display The color of a pixel produced on the face of a CRT is determined by the n bits of a hue/saturation digital input signal which is applied to a decoder to select one of 2n output lines of the decoder. Each output line is connected through a red, ... | 05/20/1986 |
| 4580134 | Color video system using data compression and decompression A method of generating a color video display comprises the steps of dividing a color image to be displayed into a matrix of blocks, each block comprising a matrix of pixels; storing data identifying a multiplicity m of different colors, the data being sto... | 04/01/1986 |
| 4559531 | Color video generator A video display system has a color display driven by a color generator for generating multicolor segments on a multiline television raster of the display. In this system, a method controls the color and the length of the lines by serially generating an ar... | 12/17/1985 |
| 4549172 | Multicolor display from monochrome or multicolor control unit A preconverged color display station is disclosed which is compatible with a computer controlled control unit that provides electrical convergence control signals. Compatibility is obtained by causing the control unit to transmit the electrical convergenc... | 10/22/1985 |
| 4531160 | Display processor system and method A technique for reproducing an image in a set of grey scale steps is disclosed including: providing a plurality of superpixels for providing an output representative of an image; providing a set of threshold levels for each pixel in a superpixel, which se... | 07/23/1985 |
| 4524414 | Numerical controller The numerical controller is equipped with a setting display unit which comprises: a display unit consisting of an echo data display area, a data display area, and a numerically-controlled operation status display area; a total functional key group for selectin... | 06/18/1985 |
| 4521770 | Use of inversions in the near realtime control of selected functions in interactive buffered raster displays If object identity is written into pixel locations of the refresh buffer portion of a raster-driven display as objects are drawn or amended, and if such object identity is used to index color maps and tree-linked lists of multiple object displays, then ed... | 06/04/1985 |
| 4520358 | Optimized display device memory utilization A method of utilizing a memory device for a display device which comprises a parallel combination of an image and a control memory connected to a decoder. At each of addresses assigned to form a color signal, the image memory stores a byte including bits ... | 05/28/1985 |
| 4504827 | Synthetic persistence for raster scan displays A method and apparatus for pseudorandomly decrementing the intensity of data that is displayed on a raster scan display screen. The apparatus essentially comprises means for selecting and partially decrementing data from an image memory and means for cont... | 03/12/1985 |
| 4498079 | Prioritized overlay of foreground objects line buffer system for a video display system A priority ordered multiple video object display system is disclosed for use with a raster scan display having a plurality of display locations on a plurality of display lines. The display system comprises means for generating a list of ordered video obje... | 02/05/1985 |
| 4488150 | Drive circuit for video display panel There is disclosed an image display device including a thin film EL element with crossing scan electrodes and data electrodes, a modulation circuit for applying data pulses of a varying amplitude to the respective ones of the data electrodes, and a scan c... | 12/11/1984 |
| 4488089 | Fluorescent indicator tube driving circuit A plurality of heater elements are heated using a DC voltage to render the display brightness of a fluorescent indicator tube uniform. A circuit comprises a first circuit for intermittently applying a heater current to the indicator tube at a predetermine... | 12/11/1984 |
| 4484187 | Video overlay system having interactive color addressing Apparatus and method are disclosed for selecting colors for presentation in a display device such as a CRT. The apparatus includes a pair of video memories that store picture element (pixel) data for presentation at the same location of the display device... | 11/20/1984 |
| 4481594 | Method and apparatus for filling polygons displayed by a raster graphic system Method and apparatus for filling polygons displayed by a color CRT monitor of a raster graphic system. A graphic controller produces control signals which control the mode of operation of the system, two of which are a fast polygon write, or fast-fill wri... | 11/06/1984 |
| 4481529 | Tricolor video signal generator, such as a video game, usable _with a monochrome picture display device A tri-color video signal generator, for use with either a color or black and white standard television receiver, includes a circuit for producing the color signals R, V, B and a matrix circuit for producing a luminance signal Y from the color signals. The... | 11/06/1984 |
| 4471465 | Video display system with multicolor graphics selection A microprocessor based data processing system including a microprocessor, a memory unit, and a display unit is provided with a programmable graphics generator that transfers graphics information from the memory unit to the display unit in response to and ... | 09/11/1984 |
| 4454506 | Method and circuitry for reducing flicker in symbol displays The flicker which results from large intensity differences in adjacent scan lines of a symbol displayed in an interlaced-field format is reduced by a non-linear signal filter and signal generator. The disclosed filter and signal generator changes the inte... | 06/12/1984 |
| 4427978 | Multiplexed liquid crystal display having a gray scale image A field effect liquid crystal display is disclosed wherein an composite alternating voltage is successively produced across a matrix of pixels formed by crossed arrays of row and column electrodes of the display. The composite alternating voltage consists... | 01/24/1984 |
| 4399434 | Line indicating apparatus A line indicating apparatus for visually monitoring changes of physical constants or functions occurring in a dynamic process. The apparatus has a plurality of units or modules which are associated with the monitoring of a corresponding plurality of varia... | 08/16/1983 |
| 4390893 | Digital color modulator An interface circuit for converting a digital signal representing a dot-by-dot color video signal into a NTSC signal compatible with a television antenna input precompensates the digital for limitations in typical NTSC receivers. Various methods and circu... | 06/28/1983 |
| 4388639 | Color control circuit for teletext-type decoder A color control circuit for selectively modifying the red, green and blue color signals developed at the output of a teletext-type decoder comprises a common input stage responsive to the teletext decoder for developing a bi-level control voltage identify... | 06/14/1983 |
| 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 |
| 4361850 | Color television receiver with character display function A color television receiver has a decoder for producing red, green and blue driving currents which are applied to red, green and blue control circuits, respectively, for combining these three colors to establish one of seven colors on a screen of a cathod... | 11/30/1982 |
| 4310838 | Instruction controlled audio visual system An audio visual system comprising a reproduction system for reproducing audio sound information and picture data information recorded on a recording medium, a speaker system for audio sound output purposes, and a color TV screen for providing a visual dis... | 01/12/1982 |
| 4303986 | Data processing system and apparatus for color graphics display A system and apparatus for managing the picture memory of a digital color graphics imaging system, thereby enabling images on a display monitor to be changed efficiently at high rates, and more specifically a control system which comprises a video memory ... | 12/01/1981 |
| 4237457 | Display apparatus A method of displaying a symbol on a display area which is effectively a regular array of display elements wherein the symbol is defined by a multiplicity of equally spaced points on the display area and each point is represented by a group of display ele... | 12/02/1980 |
| 4232311 | Color display apparatus A color display system has a color encoder which receives intensity signals via a video generator from a graphics generator as well as color signals. The color encoder processes the color and video signals for transmission to a display monitor which then ... | 11/04/1980 |
| 4232312 | Analogue electrical indicators having a series of electrically-energizable elements An electrical indicator has a consecutive series of light-emitting diodes which are arranged along a straight or curved reference scale. A limited region of the series, comprising several diodes, is energized and this illuminated region is displaced along... | 11/04/1980 |
| 4223353 | Variable persistance video display The invention relates to a video display device which includes a memory for storing intensity values for each pixel of the video display. Connected with the memory is a persister which decreases the intensity values as a selectable function of time such t... | 09/16/1980 |
| 4205389 | Apparatus for generating a raster image from line segments Apparatus for processing data whereby a digital control signal is generated for effecting the presentation of a selected portion of a map image on a raster display. The data includes stored data words describing characteristics of line segments utilizable... | 05/27/1980 |
