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| Number | Title | Issue Date |
| 4559598 | Method of creating text using a computer A method of creating text using a computer having a display screen and a pointing mechanism for identifying locations on the display screen. The method involves displaying a list of commonly used words on the screen so that the user may select the words t... | 12/17/1985 |
| 4540176 | Microprocessor interface device A user interface device for interfacing with a microprocessor driving a video display. The device is particularly adapted for the use of small children in interfacing with a microprocessor operating to drive a video game or a personal computer. The device... | 09/10/1985 |
| 4472710 | Spatula-shaped light pen A light pen is provided with an elongated or spatula-shaped light receiving end which houses a plurality of optical fiber tubes in either a linear or two-dimensional array. The device is useful for simultaneously reading the coordinates of a plurality of ... | 09/18/1984 |
| 4451895 | Interactive computer aided design system A computer aided design system which results in reduced operator fatigue, increased speed, and increased accuracy features a single workspace for inputting information, such as type of drafting exercise, graphic element or symbol, element position establi... | 05/29/1984 |
| 4431870 | Telephone system with computer generated dial pad and automatic dialing A computer input/output device is disclosed for performing the functions of a telephone. More particularly, an input/output device is disclosed particularly adapted for use with computer communication equipment. The subject device includes a video display... | 02/14/1984 |
| 4419661 | Dual cathode-ray tube display system for text editing A cathode-ray tube display device including first and second cathode-ray tube displays. The first cathode-ray tube displays an entire screen full of characters and symbols or the like in dot matrix form. One of the characters from the first cathode-ray tu... | 12/06/1983 |
| 4395707 | Light pen controlled method and equipment for evaluating fluorescent screen pictures A light pen directed toward an area of a fluorescent screen controls a pulse generator, which causes said area to be brightened and also causes a defined target mark to be displayed. The coordinates of the target mark may be ascertained from the instantan... | 07/26/1983 |
| 4392137 | Radar system A radar system for continuously displaying target returns on a conventional television receiver. The radar includes a console connected to a rotating scanner unit through conventional slip rings. The scanner unit contains a radar antenna coupled to a rece... | 07/05/1983 |
| 4377810 | Light pen detection circuit and method Electronic apparatus and method for determining location of the sensing aperture of a light pen on the face of a raster scan monochrome CRT is disclosed. In a preferred embodiment, logic circuitry and cascaded counters are used to determine position infor... | 03/22/1983 |
| 4367465 | Graphics light pen and method for raster scan CRT A graphics system for a raster scan CRT implements a light pen tracked by a cursor. Hits corresponding to the cursor are distinguished from those corresponding to background data by a selective interlacing technique. A threshold level shifting technique p... | 01/04/1983 |
| 4365305 | Vector generator for computer graphics A vector generator (11) for a computer graphics system of the type in which the beam (26) of a CRT (13) is deflected by analogue deflexion signals to form an image comprised of a plurality of discrete vectors each defined, in each of two, orthogonal defle... | 12/21/1982 |
| 4329684 | Apparatus using a light sensing system for sensing time modulated information from a light emitting device An electronic control system for a television receiver (12) incorporates a light pen (10) which can be applied to selected portions (16) of the screen (14). These portions (16) are modulated (FIG. 2) at the field scan rate by data inputs such that in succ... | 05/11/1982 |
| 4315282 | Write and edit circuitry for electronic marking of displayed TV signal images A new, revolutionary approach to image processing is disclosed. Using simple logic circuit elements a real time same scan video marking circuit is disclosed which is adaptable to a variety of purposes. The invention can be advantageously used as part of a... | 02/09/1982 |
| 4263592 | Input pen assembly An input pen assembly is provided which selectively cooperates with the screen of a cathode ray tube of a CRT display and the tablet of a tablet input device. The assembly automatically activates either one of the CRT display and the tablet input device i... | 04/21/1981 |
| 4259667 | Information interchange between an intelligent operator, indicia bearing documents, and responsive apparatus Described is a method for utilizing a unique hand-held probe or the like, in conjunction with a responsive apparatus, as the means to establish cooperative response evaluation between an intelligent being and an evaluatory system. The method involves the ... | 03/31/1981 |
| 4243972 | Method of and apparatus for signature coded target recognition A method of and apparatus for identifying a selected target among a field or group of targets wherein each of the targets is caused to assume a unique characteristic. The characteristic of the selected target is sensed and compared to a record of the char... | 01/06/1981 |
| 4238792 | System for changing alphanumeric values that are displayed on cathode ray tube screens A system that utilizes a light pen for changing the alphanumeric value of certain information that is displayed on the screen of a cathode ray tube. Certain parameters and their alphanumeric values are displayed on the CRT screens. A row of dots or other ... | 12/09/1980 |
| 4224614 | Method and apparatus for verification of displayed characters A light pen detection system used in a data display system utilizes a cathode ray tube (CRT) in which characters displayed on the screen of the cathode ray tube are detected by the light pen, the detection of the character by the light pen resulting in th... | 09/23/1980 |
| 4190833 | Alphanumeric terminal having an optoelectric converter and an associated mono-pulse generating circuit The invention relates to an alphanumeric terminal comprising a text generator and a display unit with a signal input connected to the text generator and a cathode-ray tube screen arranged to display a plurality of lines with an alphanumeric information ge... | 02/26/1980 |
| 4146880 | Method of finding the address of a zone indicated on a video screen by a light pen On a video screen displaying lines of characters, a character position, wher displaying a character or blank, is found by means of a search performed after a light pen indicates the desired position. The search is performed by brightening the screen phos... | 03/27/1979 |
| 4129858 | Partitioned display control system A system for controlling display of characters on partitioned regions of a CRT display surface comprising a refresh memory having a capacity enough to store application display data for exhibiting application display on the entire area of the CRT display ... | 12/12/1978 |
| 4093996 | Cursor for an on-the-fly digital television display having an intermediate buffer and a refresh buffer A cursor circuit for an on-the-fly digital television display system. The host digital television display system employs an intermediate buffer which stores a coded representation of the symbol only during the period of its display. In order to obtain acc... | 06/06/1978 |
| 4079450 | Input-output-color-screen system An input-output-color-screen system is provided having a color display scn device and a microcomputer having an associated working memory which is used as a screen refreshing memory, and a minidisc storage device for storing information signals. A virtua... | 03/14/1978 |
| 4017680 | Methods and apparatus involving light pen interaction with a real time display Improvements and modifications are described to an image analyzing system in which an image of a field under analysis is displayed on a television monitor screen and features can be edited by adding or subtracting feature content to or from the display (a... | 04/12/1977 |
| 4011546 | Display apparatus In display apparatus wherein a picture image corresponding to an information train given by an electronic computer is written in a storage tube by a random scanning system and then the picture image is repeatedly read out of the storage tube by a raster s... | 03/08/1977 |
| 3997891 | Light pen detection system A light pen detection system used for a display system using a cathode ray tube (CRT) in which the operation for detecting the character display position on the CRT face is started when the operation switch of the light pen is turned on, and repeatedly pr... | 12/14/1976 |
| 3995269 | Alignment of a video display system having multiple inputs Alignment apparatus is disclosed for use in a radar display system in which targets are displayed on a raster scanned cathode ray tube and a computer causes target identities to be displayed adjacent to each target. To align the display system the compute... | 11/30/1976 |
| 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 |
| 3944988 | Image-display system interacting with light pen Alphanumerical characters and other figures traced on an oscilloscope screen consist of elemental image components defined by code words which are called forth from a computer memory to actuate a function generator whose analog output is inscribed in a mo... | 03/16/1976 |
