COMPUTER PERIPHERALS; INSTRUMENTS AND EQUIPMENT FOR COMPUTERS AND OTHER PLATFORMS, NAMELY, PERSONAL DIGITAL ASSISTANTS (PDAS) AND MOBILE PHONES; INTERACTION DEVICES, NAMELY, HUMAN INTERFACE DEVICES AND COMPUTER INPUT DEVICE, NAMELY, INPUT DEVICES FOR COMPUTERS AND INTERFACES AND PERIPHERAL DEVICES FOR COMPUTERS; INTERACTION DEVICES, NAMELY, COMPUTER CHIPS, ELECTRONIC COMPUTERS, MICRO COMPUTERS, OPTICAL AND DIGITAL TRANSMITTERS, RADIOS AND SONAR COORDINATE INPUT APPARATUS FOR MAN MACHINES, HUMAN-COMPUTER AND/OR HUMAN-HUMAN INTERACTION USING TACTILE, OPTICAL AND SONIC FEEDBACK; COMPUTER DISPLAY AND INPUT SYSTEMS CONSISTING OF LCD PROJECTORS, MULTIMEDIA PROJECTORS, VIDEO PROJECTORS, DATA PROJECTORS, CAMERAS AND COMPUTER SOFTWARE FOR THE PRESENTATION OF IMAGES AND REGISTRATION OF OBJECTS; ELECTRONIC PENS AND POINTING DEVICES, NAMELY, LASER POINTERS AND WIRELESS PRESENTERS IN THE NATURE OF A WIRELESS REMOTE LASER POINTER FOR DRAWING AND WRITING FOR COMPUTER ASSISTED PRESENTATIONS AND COMPUTER ASSISTED OFFICE WORK; ELECTRONIC PENS USING PATTERN RECOGNITION AND IDENTIFICATION; OPTICAL POSITION AND MOTION TRACKING DEVICES AND SYSTEMS TO FIND POSITION AND MOVEMENT FOR OPTICAL MOTION CAPTURE AND OPTICAL MOTION TRACKING, NAMELY, MOTION DETECTORS AND OPTICAL SENSORS; EQUIPMENT AND INSTRUMENTS FOR ELECTRONIC WRITING ON WALLS OR OTHER SURFACES, NAMELY, INTERACTIVE COMPUTER WHITE BOARDS; CAMERA CHIPS IN THE NATURE OF A LINEAR IMAGE SENSOR AND PROCESSING CHIPS TO BE USED IN CAMERAS; CAMERAS WITH SENSORS FOR USE WITH VIDEO PROJECTORS; PROJECTING SYSTEMS, NAMELY, LCD PROJECTORS, MULTIMEDIA PROJECTORS, VIDEO PROJECTORS, DATA PROJECTORS, AND SCREENS, NAMELY, FLAT PANEL DISPLAY SCREENS, COMPUTER SCREENS, VIDEO SCREENS, PROJECTION SCREENS, REAR PROJECTION SCREENS; COMPUTER SOFTWARE FOR COMMUNICATING BETWEEN COMPUTERS AND COMPUTER NETWORKS