Patent ID: 9140540
Filing Date: 2015-09-22
Classification: G01B,G06F

Abstract:
1. A coordinate detector comprising: a pair of light sensor units disposed on a side of a display part having a display surface to be touched by a target to be detected and having a frame; optical reflective members respectively disposed on remaining three sides of the display part; and a sensor position adjusting unit configured to adjust a rolling direction of each of the light sensor units with respect to the optical reflective members, wherein when the target touches the display surface, coordinates of the target are detected based on light reflected off the optical reflective members that is received by the light sensor units, and wherein the sensor position adjusting unit includes an adjusting screw member configured to adjust a distance between a front end of each of the light sensor units and the frame of the display part, and an elastic member configured to press the adjusting screw member.