Surface acoustic wave touch panel system
Surface acoustic wave touch-position sensing device
Surface position location system and method
Surface position location system and method
Surface position location system and method
Surface position location system and method
System and method for determining positional information
System and method for generating a high speed estimated...
System for producing electric field with predetermined character
System for sensing spatial coordinates
System for the formulation and transmission of coordinate inform
Systems and processing algorithms for ultrasound...
Systems for imaging written information