| Patents for G06K 11 - Methods or arrangements for graph-reading or for converting the pattern of mechanical parameters, e.g. force or presence, into electrical signals (2,349) |
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| 07/25/1990 | EP0379336A2 Display device and display system incorporating such a device |
| 07/10/1990 | US4941183 Method and apparatus for optimizing the cutting of material |
| 06/28/1990 | WO1990007150A1 Picture input display and method thereof |
| 06/27/1990 | CN2058772U Finger-touched information-feeding screen for electronic computer |
| 06/20/1990 | CN1008488B Electrostatic pattern-coupled digitizer |
| 06/19/1990 | US4934470 For the electric detection of the coordinates of a writing tip |
| 06/19/1990 | CA1270541A1 Line tracer improved corner circuit |
| 06/14/1990 | WO1990006549A1 Position indicator and method of inputting information |
| 06/13/1990 | EP0372955A2 Position indicating device for a digital computer |
| 06/08/1990 | CA2004479A1 Position indicating device for a digital computer |
| 06/06/1990 | EP0371596A2 Character reader |
| 05/31/1990 | WO1990005964A1 Three-axis force measurement stylus |
| 05/31/1990 | DE3939662A1 Home computer with common mouse joystick input - has automatic identification of device when input is generated |
| 05/22/1990 | US4928093 Cursor control mechanism |
| 05/22/1990 | CA1269430A1 Mobile guidance along a predetermined course on a supporting surface |
| 05/09/1990 | EP0367282A2 Coordinate input apparatus |
| 05/01/1990 | US4922061 Capacitive touch panel system with randomly modulated position measurement signal |
| 04/25/1990 | EP0365232A2 Integrated liquid crystal display and optical touch panel |
| 04/25/1990 | EP0364884A2 Detection system for optical touch panel |
| 04/25/1990 | EP0101502B1 High resolution light pen for use with graphic displays |
| 04/17/1990 | US4918263 For determining the position of a coil member relative to a grid member |
| 04/17/1990 | US4918262 Touch sensing display screen signal processing apparatus and method |
| 04/10/1990 | US4916308 Integrated liquid crystal display and optical touch panel |
| 04/04/1990 | EP0362109A2 Method of cancelling aberrations in a laser touch panel reflective surface |
| 03/22/1990 | WO1990003014A1 Touch entry system with ambient compensation and programmable amplification |
| 03/07/1990 | EP0357397A2 Position sensing apparatus |
| 03/07/1990 | CN1040279A Electronic blackboard device and articles for writing thereof |
| 02/14/1990 | CN1039671A Chinese-character autogenous coding and its recognizer |
| 01/30/1990 | US4896543 Three-axis force measurement stylus |
| 01/29/1990 | EP0277964A4 Optical scanner including position sensors. |
| 01/17/1990 | EP0351355A1 Coordinate input resistive tablet using several conductors |
| 01/03/1990 | EP0348430A1 Joystick apparatus having six degrees freedom of motion |
| 01/02/1990 | US4891508 Precision infrared position detector apparatus for touch screen system |
| 12/27/1989 | EP0348153A1 Position indicating device |
| 12/27/1989 | EP0347725A2 Electronic blackboard and accessories such as writing tools |
| 12/26/1989 | US4890096 Coordinate input device with display |
| 12/19/1989 | US4888479 Touch panel apparatus |
| 12/19/1989 | US4888478 Line tracer improved corner circuit with speed varying sampling |
| 12/13/1989 | EP0345338A1 An apparatus for controlling a movable reference point on a display |
| 12/06/1989 | EP0344475A2 Data input tablet |
| 12/06/1989 | CN2048997U Digitized tracting controller to plane graph |
| 12/05/1989 | US4885713 System for digitizing the trajectory of a target point of a moving beam |
| 11/29/1989 | EP0343810A2 Magnification assembly for digitizer cursor |
| 11/07/1989 | US4878553 Position detecting apparatus |
| 11/02/1989 | EP0339588A2 Coordinate input method employing touch panel |
| 10/24/1989 | US4875378 Pressure sensor with a ferroelectric liquid crystal layer |
| 10/17/1989 | US4875036 Liquid crystal display device for both inputting and outputting information |
| 10/10/1989 | US4873400 Manually activated position indicator |
| 10/03/1989 | US4872105 Curve following apparatus |
| 09/19/1989 | US4868551 Sensitive display device comprising a scanned screen |
| 09/13/1989 | EP0332410A2 Touch panel apparatus |
| 09/13/1989 | EP0332365A1 Apparatus for recording and verifying handwriting, in particular signatures |
| 09/06/1989 | EP0191022B1 Device for the acquisition of navigation data |
| 09/06/1989 | EP0182904B1 Precision display position designation system using coarse touch panel input |
| 09/06/1989 | CN1035376A Coordinate input device and input lightpen therefor |
| 08/30/1989 | EP0329782A1 Digitizing tablet |
| 08/24/1989 | WO1989007816A1 Shifting wire sequence digitizer system |
| 08/22/1989 | US4859813 Digitizer tablet having electrical interconnect components on the writing substrate |
| 08/22/1989 | CA1258702A1 Apparatus for controlling the directional orientation of a radiation receiver device to a light source |
| 08/16/1989 | EP0328225A1 Computer mouse mat |
| 08/01/1989 | US4853498 Position measurement apparatus for capacitive touch panel system |
| 06/29/1989 | WO1989006023A1 An apparatus for controlling a movable reference point on a display |
| 06/29/1989 | WO1989006022A1 Joystick |
| 06/14/1989 | EP0320044A2 Manual input device for a display |
| 06/06/1989 | US4837430 Photoelectric touch panel having parallel light emitting and detecting arrays separated by a light shield |
| 05/30/1989 | US4835347 Shifting wire sequence digitizer system |
| 05/30/1989 | CA1254842A1 Scan device for half-tone transparency originals |
| 05/24/1989 | EP0316972A2 Precision display position designation system using coarse touch panel input |
| 05/17/1989 | EP0316005A2 Figure encoder |
| 05/17/1989 | EP0316003A2 Line figure encoder |
| 05/10/1989 | EP0314869A2 Line tracer |
| 03/21/1989 | US4814998 Digitizing method |
| 03/21/1989 | CA1251537A1 Coordinate detecting apparatus |
| 03/15/1989 | EP0306596A2 High resolution light pen for use with graphic displays |
| 03/14/1989 | US4812916 Visual monitoring device which projects an image of a register mark onto a scanning surface for use in setting image processing conditions |
| 03/09/1989 | WO1989002135A1 Digitizing tablet |
| 02/28/1989 | US4809066 Method of image mensuration with selectively visible and invisible reseau grid marks |
| 02/07/1989 | US4803737 Optical digitizer |
| 01/31/1989 | US4801767 Coordinate inputting sheet with auxiliary electrodes promoting accuracy of positional detection |
| 01/25/1989 | EP0299983A1 Electrical switch assembly |
| 01/18/1989 | EP0299204A2 Manually operable positioning device |
| 01/10/1989 | US4797665 X-Y position input device |
| 01/10/1989 | US4797544 Optical scanner including position sensors |
| 12/28/1988 | EP0296837A2 Input device possessing plural functions |
| 12/28/1988 | CA1247413A Line tracer accuracy control |
| 12/28/1988 | CA1247412A Pattern tracer slowdown circuit |
| 12/06/1988 | US4789836 Circuit for use with a light pen to reduce jitter |
| 12/06/1988 | CA1246134A1 Method and subsystem for plotting the perimeter of an object |
| 11/29/1988 | US4788385 Method of detecting a coordinate |
| 11/23/1988 | CN88202142U Converting device for picture curve length signal |
| 10/26/1988 | EP0288132A2 System for digitizing the trajectory of a target point of a moving beam |
| 09/22/1988 | WO1988007247A1 Digitizer system with loopback conductor grid |
| 09/22/1988 | WO1988007243A1 Curve following apparatus |
| 09/13/1988 | US4771276 Electromagnetic touch sensor input system in a cathode ray tube display device |
| 09/13/1988 | US4771268 Character recognition device |
| 09/06/1988 | CA1241718A1 Early fault detection |
| 08/23/1988 | CA1241137A1 Precision display position designation system using coarse touch panel input |
| 08/17/1988 | EP0277964A1 Optical scanner including position sensors. |
| 08/11/1988 | WO1988005942A1 Joystick apparatus having six degrees freedom of motion |
| 08/02/1988 | US4761550 Scanning system for optical coordinate input device with scan interrupt control |