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

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

Color information input system for electronic blackboard

Combined finger touch and stylus detection system for use on the

Compact keyboard with entry of keyed and graphic information

Compensation of stylus signals in digitizing tablet

Computer input device

Computer interface device

Conductive electrode arrays and arrays of resistive elements for