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Tactile pin display apparatus

  • US 20080068343A1
  • Filed: 02/26/2007
  • Published: 03/20/2008
  • Est. Priority Date: 09/14/2006
  • Status: Abandoned Application
First Claim
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1. A dot figure display apparatus for displaying a dot figure on a pin matrix having a plurality of pins disposed in a matrix pattern on an upper surface of a dot figure display main body and allowing touch sense of said dot figure by touching said pin matrix with a finger tip, the dot figure display apparatus comprising:

  • an infrared LED for irradiating infrared rays to a surface of said pin matrix;

    a video camera for receiving said infrared rays reflected and detecting an infrared ray image reflected from a main finger tip depressed said pin matrix;

    a pressure sensor for detecting a press force to said pin matrix; and

    a control unit for detecting a touch position of said main finger tip on said pin matrix as a main finger tip touch position, in accordance with a detection result of the reflected infrared ray image of said video camera and detecting a press force to said pin matrix from a detection output of said pressure sensor.

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