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Method and apparatus for entering data using a virtual input device

  • US 20040046744A1
  • Filed: 08/29/2003
  • Published: 03/11/2004
  • Est. Priority Date: 11/04/1999
  • Status: Abandoned Application
First Claim
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1. A system to enable a user to interact with a virtual input device using a user-controlled object, the system comprising:

  • a single sensor system that acquires data representing a single image at a given time, from which data three-dimensional coordinate information of a relevant position of at least a portion of said user-controlled object may be determined such that a location defined on said virtual input device contacted by said user-controlled object is identifiable; and

    a processor system to determine whether a portion of said user-controlled object contacted a location defined on said virtual input device, and if contacted to determine what function of said virtual input device is associated with said location;

    wherein said system determines if, when in time, and where interaction between said user-controlled object and said virtual input device occurs.

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