Patent ID: 9292135
Filing Date: 2016-03-22
CPC Classification: G06F

Claim Text:
1. A coordinate detecting device configured to be utilized in an electronic information board system, the electronic information board system including, a display section including a display surface and a frame, the display surface configured to contact a target to be detected, the frame having four sides surrounding the display surface, optical reflectors at first to third sides of the display section, respectively, and two optical sensors at respective ends of a fourth side of the display section, the two the optical sensors including respective light emitting and receiving surfaces configured to irradiate and receive light, the optical sensors each including a light emitting and receiving sensor on a print board, the light emitting and receiving sensor configured to irradiate light to a respective one of the optical reflectors and receive reflection light from a respective one of the optical reflectors, the print board having base ends fastened to the frame of the display section, and brackets fastened to a rear surface of the print boards, the reflection light providing information indicating a coordinate position where the target to be detected is in contact with the display surface, the coordinate detecting device comprising: