×

Coordinate detection system, information processing apparatus, and recording medium

  • US 9,569,013 B2
  • Filed: 11/18/2014
  • Issued: 02/14/2017
  • Est. Priority Date: 12/02/2013
  • Status: Active Grant
First Claim
Patent Images

1. A coordinate detection system which detects coordinates of a position to which an electronic pen points on a surface of a display, comprising:

  • a plurality of detecting elements each configured to detect emitted light rays emitted from light emission points of the electronic pen, and configured to detect reflected light rays formed by reflection of the emitted light rays on the surface of the display; and

    a coordinate detection unit configured to detect a position to which the electronic pen points based on the emitted light rays and the reflected light rays detected by each of the plurality of detecting elements, and configured to detect the coordinates of the position to which the electronic pen points relative to the surface of the display based on the positions of the electronic pen detected by using the plurality of detecting elements.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×