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| Application No. | Application Title | Issue Date |
| 20110102373 | OPTICAL PEN AND OPTICAL TOUCH DEVICE HAVING SAME An exemplary optical pen includes a body, an infrared light source received in the body, a converging lens unit, and a tip. The converging lens unit is received in the body and is positioned along the light path of infrared light emitted from the infrared light source, ... | 05/05/2011 |
| 20100262539 | METHOD OF INTERACTING WITH PRINTED FORM A method of interacting with a printed form. The method includes the steps of: maintaining a page description corresponding to a printed form; receiving, indicating data from an optically imaging pen operated by the user, the indicating data being indicative of the iden... | 10/14/2010 |
| 20090002347 | Pointing Device with Optical Positioning on Low-Diffusive Surfaces A computer input device includes a light source assembly forming an incident light beam that strikes an area on a surface beneath the input device with large incident angle. A light sensing assembly in the input device is positioned to receive scattered light and includ... | 01/01/2009 |
| 20050201621 | Strokes localization by m-array decoding and fast image matching Systems and methods that determine a path of a pen tip as the pen tip is moved across a document are described. The document is watermarked with a maze pattern from which encoded position information is determined. A sequence of images is captured by a camera that is lo... | 09/15/2005 |
| 20050093821 | Force reflecting haptic interface A multi-function force reflecting haptic interface including various sub-assemblies is disclosed. The sub-assemblies include multiple function user interfaces, a user interface docking station for setting the interface to a home position, temperature monitoring and cont... | 05/05/2005 |
| 20050088427 | Transferring pen information between unmanaged and managed code A system and process for transferring pen data between unmanaged and managed code is described. The system uses shared memory between an unmanaged component and a managed application to store information relating to ink information. A pointer is transferred to the manag... | 04/28/2005 |
| 20050088418 | Pen-based computer interface system A pen-based computer is operative to produce a drawn image upon a touch-sensitive display screen. A stylus or pen is utilized in combination with the pen-based computer or touch input to the display screen. An interface system implemented using software additions to the... | 04/28/2005 |
| 20050052435 | Image display system with light pen An image display system includes a light pen to generate light to input data, and a display panel to display images in response to the light provided from the light pen. The display panel includes a first substrate on which pixel electrodes are formed, a second substrat... | 03/10/2005 |
