Optical coding of position information on printed surfaces
Optical coordinate input apparatus
Optical digitizer with function to recognize kinds of...
Optical generic switch panel
Optical generic switch panel
Optical pointing device and pointing method using the same
Optical scanning-type touch panel
Optical scanning-type touch panel
Optical sensor based user interface for a portable...
Optical sensor based user interface for a portable...
Optical sensor with photo TFT
Optical system design for a universal computing device
Optical touch input device
Optical touch panel
Optical touchpad system and waveguide for use therein
Optically based operating device for a household appliance
Optically-based touch screen input device
Page information display method and device and storage...
Palm pad system
Palm pressure rejection method and apparatus for touchscreens