| 20090213070 | Processor control and display system - An interactive display system comprising a position coded pattern that is printed on a display surface. An electronic pen is equipped with a decoding real-time processor; the decoding of the surface pattern reveal sets of predetermined (x, y) coordinates embedded within the pattern. A real-time processor works simultaneously to decode (x, y) coordinates while these are sent immediately via wireless communication to a host PC which is normally attached to a projecting device. | 08-27-2009 |
