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| Number | Title | Issue Date |
| 4283765 | Graphics matrix multiplier A matrix multiplier is disclosed for rotating, scaling, shearing, and stretching, three-dimensional calligraphic images. This system has particular application to incremental vector generators. The transformations are performed in real time and at the dra... | 08/11/1981 |
| 4254467 | Vector to raster processor In raster data plotting of graphic information, vector data comprising the plot is generated by the host computer via the user's application program. For maximum plotter efficiency and relief of host system time, vector to raster conversion is carried out... | 03/03/1981 |
| 4249171 | Vector display scope A cathode-ray oscilloscope controlled by a circuitry receiving four (4) voltage inputs representative of the Cartesian coordinates of endpoints of two (2) vectors, for visually displaying the vectors in the form of a dashed line segment and a solid line s... | 02/03/1981 |
| 4219763 | Radial sweep generator circuit A radial sweep generator circuit generates a series of radial sweep lines in succession to simulate a rotating sweep line which extends from the center of a video display to the periphery of the display. The display consists of a rectangular matrix of dis... | 08/26/1980 |
| 4208719 | Edge smoothing for real-time simulation of a polygon face object system as viewed by a moving observer The visual system within an aircraft flight simulation system receives flight data and terrain data which is formated into a buffer memory. The image data is forwarded to an image processor which translates the image data into face vertex vectors Vf, defi... | 06/17/1980 |
| 4193122 | Connecting line generator A circuit for interpolating discrete data points or horizontal line segments of a single valued function in one direction into a continuous line display. So that only one value need be produced from a memory for each display position along one axis of an ... | 03/11/1980 |
| 4188627 | Display apparatus This invention is concerned with generating line symbols (e.g. straight lines, circles) on cathode ray tube displays with TV-type scans. A tube 10 has the normal line and frame deflection waveform generators 12 and 13 and a normal video amplifier 15. A sy... | 02/12/1980 |
| 4181953 | Face vertex correction for real-time simulation of a polygon face object system The CRT visual system within an aircraft flight simulator receives flight data from a flight simulation computer, and polygon face terrain data from a gaming area data base. The vertices of each polygon face are defined by three object position coordinate... | 01/01/1980 |
| 4181956 | Digital indicia generator employing compressed data A display indicia generator driven by compressed data is arranged to draw indicia on a display coordinated with signals from an external environment. For drawing a line, for example, the compressed data includes coordinates of a point on the line, a slope... | 01/01/1980 |
| 4157537 | Display system utilizing digital-analog vector generation A system wherein dynamic capability is incorporated into direct view storage tube terminals to provide both refreshed and stored information. More specifically, the system incorporates dynamic picture capability into direct view storage tubes by utilizing... | 06/05/1979 |
| 4156915 | Font generating system A character display system which generates analog signals to write sequentially specified strokes forming a character on a display device is described. The character strokes are stored as digital words in a Read Only Memory (ROM) and are sequentially read... | 05/29/1979 |
| 4152766 | Variable resolution for real-time simulation of a polygon face object system The visual system within an aircraft flight simulator receives flight data from a flight simulation computer, and polygon face terrain data from a gaming area data base. The visual system computer organizes this image data into the prescribed format, and ... | 05/01/1979 |
| 4146925 | Graphics generator A graphics generator responds to signals defining a pattern to be displayed. The pattern comprises a plurality of pattern segments each of which may be a vector, conic or alpha numeric character. The graphics generator produces digital signals which are c... | 03/27/1979 |
| 4143360 | Method and apparatus for controlling a display terminal A versatile display terminal having the capability of off-line operation or on-line operation in conjunction with a variety of computer systems. The display terminal has a programmable microprocessor and ROM and RAM memories thereby providing the capabili... | 03/06/1979 |
| 4139903 | Logic state analyzer Clock signals, data words and qualifier signals are received via monitor probes during a data acquisition mode, selected data words being stored in a memory in response to the clock and qualifier signals. The stored data words may then be displayed in a t... | 02/13/1979 |
| 4120028 | Digital display data processor This invention relates to an electronic processing system that receives instruction and data words from a digital computer and automatically processes the instruction and data words to control the appearance of graphical and written matter on a plurality ... | 10/10/1978 |
| 4115863 | Digital stroke display with vector, circle and character generation capability The digital stroke display generates vectors by applying clock pulses to an up/down counter which through a digital-to-analog converter provides the deflection voltage for one of the display X or Y axes. The clock pulses are applied through a gate to a se... | 09/19/1978 |
| 4074359 | Vector generator A high speed vector generating electrical system is provided which provides the deflection voltages required to draw a vector line from one point to another on the screen of a cathode-ray tube. The system is particularly useful for drawing images in any d... | 02/14/1978 |
| 4056713 | Display processing unit for drawing vectors A high speed display processing unit (DPU) for displaying vectors on a cathode ray tube is disclosed. Each vector to be displayed is classified as to whether it is virtual, visible or both. If the displayed vector is partially visible, a digital section o... | 11/01/1977 |
| 4053740 | Video game system A self-contained operator responsive video game system is disclosed. The system is capable of generating a virtually unlimited number of games where a player responds to and controls high resolution objects drawn on a display device such as a cathode ray ... | 10/11/1977 |
| 4027148 | Vector generator A vector generator having a digital input and a cathode ray tube (CRT) display output is disclosed. Digital values specifying the initial point of the line segment in Cartesian coordinates are converted to proportional voltages applied across the capacito... | 05/31/1977 |
| 3996582 | Device for the designation of an image The invention relates to a device for designating an element of an image in a display assembly. The device comprises a system providing the coordinates of a marked element of the displayed image, comparator receiving the coordinates of the marked element ... | 12/07/1976 |
| 3996585 | Video generator circuit for a dynamic digital television display A video generator is disclosed for use in a digital television display system, for converting randomly occurring data signals representing graphical patterns into a time-sequential video signal for use with a sequentially line scanned display device. The ... | 12/07/1976 |
| 3973245 | Method and apparatus for point plotting of graphical data from a coded source into a buffer and for rearranging that data for supply to a raster responsive device A method and apparatus for the point plotting and rearrangement of graphical data from a coded source into a buffer for raster type display. The execution of a graphic order in a stored program controllable graphics terminal are represented by a line gene... | 08/03/1976 |
