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| Number | Title | Issue Date |
| 4990903 | Method for storing Chinese character description information in a character generating apparatus A method and apparatus for high resolution character generation using a character generating apparatus having a first central processing unit with memory and input and output devices for processing and outputting character information, and a second centra... | 02/05/1991 |
| 4971406 | Telephone order entry system and terminal therefor In an exemplary data entry terminal, the keyboard, display module, and terminal processor board form respective subassemblies which can readily be disconnected from each other electrically and slidably removed from respective channels of a U-shaped housin... | 11/20/1990 |
| 4940972 | Method of representing a perspective image of a terrain and a system for implementing same A method is provided for representing, on a display device screen and in perspective from a given point of observation, the image of a terrain known by the nodes of a given mesh network, in which for each image pixel, the point of intersection is determin... | 07/10/1990 |
| 4937565 | Character generator-based graphics apparatus A graphics display apparatus using a character generation architecture is disclosed. A font memory is disclosed which can be addressed to provide a different character for each character position on a display screen. In this manner graphics images can be ... | 06/26/1990 |
| 4929933 | Digital color video monitor A video monitor operable in either a 16 or 64 color mode includes a PROM having logic level color video inputs and logic level function inputs, including a mode select input, for accessing different memory locations at each of which binary data is stored ... | 05/29/1990 |
| 4928092 | Pattern input unit According to a pattern input unit of the invention, when a pattern is written by hand on an absolute coordinate data output means, a decision will be made on whether a segment or two points must be formed by a decision means according to two absolute coor... | 05/22/1990 |
| 4924216 | Joystick controller apparatus Joystick controller apparatus in which a pair of joystick controllers may send signal bursts on the same communication channel in the infrared frequency range by means of an electromagnetic transmission without recognizable loss of data. An error checking... | 05/08/1990 |
| 4922238 | Method and system for smooth scrolling of a displayed image on a display screen A method and apparatus for independently and dynamically performing smooth-scrolling a display line at a time is disclosed herein. An offset value for smooth-scrolling for each display line, is provided which shifts the image information of each display l... | 05/01/1990 |
| 4922237 | Flat panel display control apparatus There is provided a flat panel display control device which has the compatibility with CRT display and the function of displaying each character with plurality of dots. A flat panel display apparatus incorporating a video memory (3) for storing the charac... | 05/01/1990 |
| 4922242 | Apparatus exhibiting PTC behavior useful for displaying information An apparatus for displaying information comprising a resistive element, preferably a conductive polymer resistive element, adjacent to a thermochromic layer. When electrically powered, the resistive element heats the thermochromic layer above a transistio... | 05/01/1990 |
| 4922239 | Multi-shade color liquid crystal display apparatus A multi-shade color liquid crystal display apparatus wherein a number of striped color liquid crystal elements are arranged in parallel in one direction. A color filter for each color liquid crystal element is arbitrarily selected to have one color and th... | 05/01/1990 |
| 4920410 | Drive method for synchronizing scanning and modulation of flat-configuration color CRT A drive method for a color CRT in which a point-sequential color video signal is produced to drive a modulation electrode of the CRT, in which an index signal is generated consisting of pulses at a frequency identical to a frequency of scanning successive... | 04/24/1990 |
| 4918435 | Method for processing animated graphics In a method for processing animated graphic in which a graphic symbol is displayed on a displaying unit on the basis of data preliminarily set in a video RAM and the displayed graphic symbol is totally shifted by a predetermined amount, the graphic symbol... | 04/17/1990 |
| 4918429 | Display system with symbol font memory In a display system of the type where one or more symbol tables 20 are stored in general purpose storage and include blocks of data forming symbol definitions for each of a set of symbols, and an all points addressable (APA) display buffer 30 is provided ... | 04/17/1990 |
| 4914730 | Display device having plural groups of interconnected segment electrodes Segment groups each comprising at most three segments are rendered free of the display mode in which two out of the three segments in each respective group are rendered unresponsive and the remaining segment responsive, and segment electrodes of these thr... | 04/03/1990 |
| 4910503 | Multi-function input device and system An input device for providing X and Y coordinate analog input values and an associated function selection to a computer. There is a support plate and a multiposition function selection switch having an output indicating the position thereof. There is also... | 03/20/1990 |
| 4908613 | Display device A liquid crystal display has a matrix of pixels each with a continuously clocked counter used both as the data store and as the mechanism of grey scale generation. The grey level of each pixel is stored as the phase of the counter with respect to a refere... | 03/13/1990 |
| 4908612 | Computer input-output device A computer input-output device for permitting a user to control the operation of an application program on a host computer. The device includes a display divisible into a plurality of sections for displaying the names of the options then available to the ... | 03/13/1990 |
| 4906986 | Display control device A CRT controller having a drawing function includes designation means to designate a predetermined area of an external memory as a reference area for tiling, and a drawing processor which transmits a display pattern in the reference area designated by the... | 03/06/1990 |
| 4904991 | Display unit subject to ambient light having light-reflective and light-emitting display elements A display unit has a transparent front panel one surface of which carries reflective markings that are illuminated by internal reflection in the panel from edge-mounted bulbs. Behind the panel are located light-emitting display devices such as provided by... | 02/27/1990 |
| 4904994 | Apparatus and method for identifying next matrices for vector drawing A system to convert vector data to pixel data for drawing a vector on display screen that is divided into groups of pixels (matrices) having selected numbers of pixels in the x and y coordinate directions. The vector data is processed to define the slope ... | 02/27/1990 |
| 4904989 | Display device In a display device having, at least, picture elements which are arrayed on a transparent insulating substrate, and transistor portions which are formed of a semiconductor layer formed on the transparent insulating substrate; a display device characterize... | 02/27/1990 |
| 4904990 | Display control device A CRT (cathode ray tube) controller for controlling one CRT device in an interlace mode has a synchronizing circuit of bi-directional construction, in order to make possible synchronous operation of the CRT controller with other circuits (other CRT contro... | 02/27/1990 |
| 4904996 | Line-mounted, movable, power line monitoring system A mobile system for monitoring electrical, physical and/or environmental parameters and conditions associated with or in proximity to an energized electrical power conductor supported on a succession of towers extending along a power corridor. In a first ... | 02/27/1990 |
| 4904995 | Integrated remote electricity meter transponder and combination A remote transponder unit is secured to the front of an electricity meter which, in turn, is electrically connected to an electric distribution system. The remote transponder unit is adjacent the power measuring disk of the electricity meter without obscu... | 02/27/1990 |
| 4903012 | Coordinate system input device providing registration calibration and a mouse function A coordinate system input device provides automatic calibration between coordinates detected and display coordinates and also provides a mouse function wherein movement of an object adjacent a display screen acts to move a displayed cursor an amount propo... | 02/20/1990 |
| 4903013 | Display system for plural display areas on one screen A display system for displaying characters on a screen which is divided into a plurality of display areas and for allowing a scroll within each of the display areas with one chip of display data RAM without image confusion between the display area. The di... | 02/20/1990 |
| 4901065 | Apparatus for selectively presenting, particularly in motor vehicles, the same information message in different languages A message is selectively presented in several different languages on an alpha-numeric visual display device. The display device has surface segments each of which can be selectively and individually switched, by connection to a power supply, between two o... | 02/13/1990 |
| 4901067 | Interface circuit for use in a programmable message display An interface circuit for reading data to a programmable message display is provided wherein input power is reduced through sampling techniques and circuit complexity is reduced through multiplexing. Stable operation is providing in the presence of noise w... | 02/13/1990 |
| 4899139 | Display control device for superimposing data with a broad case signal on a television screen A cathode-ray tube control device displays data obtained from a personal computer on the screen of a television receiver in superimposing relation to the picture of a broadcast. Clock pulses are generated, and these are counted in synchronism with the hor... | 02/06/1990 |
| 4899140 | Display device for copying machines and the like A display device for copying machines and the like and having separate two display sections for displaying conventional numeric information, the two display sections being commonly used for displaying non-constant numeric data. The non-constant numeric da... | 02/06/1990 |
| 4899141 | Matrix panel with an active driving system In the matrix, a positive type liquid crystal of the twisted nematic type is driven by a thin film transistor arranged on a transparent substrate. The polarity of the video signal, originally generated for a cathode ray tube, is inverted within a driving ... | 02/06/1990 |
| 4896210 | Stereoscopic graphics display terminal with image data processing A stereoscopic graphics display terminal (10) having an image data processor (22) generates stereoscopic image data from three-dimensional image data. In a preferred embodiment, the graphics display terminal receives from a main or host computer (12) thre... | 01/23/1990 |
| 4896147 | Display device for displaying characters of different character sizes A display device comprises a memory for storing article name data first and second character generators, a display unit, and a control unit. The character generators respectively generate character data of a normal character size and also of a character s... | 01/23/1990 |
| 4894646 | Method and system for processing a two-dimensional image in a microprocessor An image processing system and a method for manipulating images in an image processing system where each image in the system is subdivided into a plurality of sub-images which are processed independently of one another. Control of each image and sub-image... | 01/16/1990 |
| 4893114 | Image data processing system An image data processing system operates so that foreground color codes are held in a foreground register, background color codes are held in a background register, and the foreground or background color codes are selectively output by a selector accordin... | 01/09/1990 |
| 4891635 | Electrostatic display element An electrostatic display element making use of electrostatic force acting between a movable electrode and a pair of fixed electrodes kept oppositely to each other with said movable electrode positioned therebetween. The movable electrode, which is made of... | 01/02/1990 |
| 4891630 | Computer vision system with improved object orientation technique A system for computer vision is based upon an image sensor that maps an image to memory cells in association with a computer. An object orientation and position patch is attached to an object to be observed comprising a planar substantially coplanar and n... | 01/02/1990 |
| 4891631 | Graphics display system A graphics generator is provided for overlaying changeable graphics data on a video display. The graphics generator is microprocessor controlled, and includes a graphics data positioning circuit which permits the microprocessor to vary the displayed graph... | 01/02/1990 |
| 4891632 | Computer graphic drawing apparatus with coarse and fine controls An improved computer graphic drawing apparatus having a housing unit adapted for being held in hand during graphic drawing operations, a coarse adjusting device movably disposed in the housing unit, and an IC arrangement disposed in the housing unit and e... | 01/02/1990 |
