Angle information input apparatus
Angular information input system
Angular input information system relative to a tablet for determ
Coordinate position detection device for touch panel
Coordinate reader with pointer inclination compensation
Digitizer with overlapped loop pattern and peak phase recognizer
Four quadrant touch pad
Information transmitting device
Information transmitting device
Location encoder
Method of signalling a structure of a code stream
Phototransistor apparatus with current injection ambient compens
Position code
Position detecting device and position pointing device therefor
Sensor coil pattern and the coordinate input apparatus thereof
Touch sensor system to detect multiple touch events
Transparent coordinate detection device