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Methods and systems for a virtual input device

  • US 8,228,315 B1
  • Filed: 07/12/2011
  • Issued: 07/24/2012
  • Est. Priority Date: 07/12/2011
  • Status: Active Grant
First Claim
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1. A system comprising:

  • a projector configured to provide an input device onto a surface, the input device comprising a pattern of objects;

    a camera configured to capture images of the input device and to capture images of the surface; and

    a processor configured to receive the images of the input device and the images of the surface and to determine an approximate location of the surface, the processor configured to instruct the projector to modify a projection of the input device based on the approximate location of the surface, the processor configured to determine that the input device is in use when the processor determines images of the input device having a brightness above a predetermined threshold.

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