Apparatus for optical navigation
Apparatus for preventing noise generation in an electrical digit
Apparatus for recording and verifying handwriting, in particular
Apparatus for signalling the position of a point on a surface
Apparatus for storing felt pens for an electronic board
Architecture for communication of remote devices to a digitizing
Arrays of resistive elements for use in touch panels and for pro
Automatic coordinate determining device
Automatic coordinate determining device having electrostatic shi
Autonomous computer input device and marking instrument