CAD cursor with electronically modifiable transparent display

Calibration of a rotationally scanning position-tracking device

Calibration of a scanning light interrupt type of data input int

Calibration of graphic data-acquisition tracking system

Cancellation of common-mode signals in digitizing tablet

Capacitance-based proximity with interference rejection apparatu

Capacitive touch panel system with randomly modulated position m

Capacitive touch sensor

Capacitive two dimensional tablet with single conductive layer

Capacitively coupled tablet

Circuit board for coordinate detecting apparatus with noise supp

Circuit for generating a position in digital form

Circuit for interfacing mouse input device to computer system

Circular electrographic touch sensor with orthogonal fields and

Co-ordinate measuring system

Co-ordinate plate for co-ordinate reader

Co-ordinates input device and a method for producing the same

Coarse position digitizer

Code generator

Code-based, electromagnetic-field-responsive graphic data-acquis