Multi-touch device based on sphere display and multi-touch method thereof

Multi-touch device based on sphere display and multi-touch method thereof

  • CN 101,950,221 A
  • Filed: 09/07/2010
  • Published: 01/19/2011
  • Est. Priority Date: 09/07/2010
  • Status: Active Application
First Claim
Patent Images

1. a multipoint touching device that shows based on sphere comprises touch ball curtain, projector, infrared LED, it is characterized in that:

  • also comprises ball curtain camera lens, has the video camera of infrared camera, special-purpose filter and computing machine;

    The touch ball curtain that described touch ball curtain is made for projection ball'"'"'s curtain material that can see through infrared light, an opening is arranged at described touch ball curtain bottom;

    Described infrared LED is positioned at this opening part, touches the ball curtain to ring Infrared is provided;

    Described ball curtain camera lens is positioned at this opening center, and the coloured light that projector sends is projected on the touch ball curtain;

    Described computing machine is connected with projector with video camera respectively, described computing machine be used to control projector to the infrared camera of the projection of described touch ball curtain, control video camera to the collection that touches ball curtain epigraph, the touch event on the touch ball curtain that collects is carried out analytical calculation, and projector is shown control according to analysis result;

    Described special-purpose filter comprises and is arranged on the infrared filter that infrared camera front aglow outer filter of filter visible light that filters out other light beyond the infrared light and the front that is arranged on projector lens filter out infrared light.

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