PINPOINT

ELECTRICAL OR ELECTROMAGNETIC SENSORS, INCLUDING SENSOR APPARATUS FOR THE DETERMINATION OF PHYSICAL PARAMETERS WHICH SHALL INCLUDE THE RELATIVE POSITION, VELOCITY AND ACCELERATION OF PHYSICAL OBJECTS; SENSOR APPARATUS FOR GENERATING SIGNALS IN RESPONSE TO MOVEMENT OF THE HUMAN BODY; SENSOR APPARATUS FOR THE DETERMINATION OF CHEMICAL PARAMETERS; ELECTRICAL OR ELECTRONIC COMMUTATORS; SENSOR APPARATUS FOR DETECTING POSITION AND PRESSURE OF PEN STYLE FOR COMPUTER INPUT