TACTILE SENSOR AND DEVICE TO WHICH TACTILE SENSOR IS APPLIED

摘要

A tactile sensor for detecting a variation in pressing in real time. The tactile sensor is simple in structure, detects a variation in pressing by using reduced hard wires, has increased reliability and reduced cost, and can obtain information accurately. A sheet has, along its surface, resistance arranged in an X direction and a Y direction, has resistance in a Z direction corresponding to the thickness direction of the sheet, and has a pressure sensitive resistance sheet (4) whose resistance in the Z direction varies according to pressing in the thickness direction. At least a pair of electrode parts (9, 10, 11 and 12) is placed in the periphery of the pressure sensitive resistance sheet (4), and the electrodes conduct a current to at least either of the resistance in the X direction or the resistance in the Y direction. Also, at least a pair of conductive films (5, 6) for conducting a current to the resistance in the Z direction is provided on a surface of the pressure sensitive resistance sheet (4).