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Video camera based computer input system with interchangeable physical interface

  • US 6,047,249 A
  • Filed: 12/03/1998
  • Issued: 04/04/2000
  • Est. Priority Date: 07/03/1996
  • Status: Expired due to Term
First Claim
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1. A computer input system comprising:

  • a support frame configurable to engage with a plurality of spatial reference members, each spatial reference member being configurable to engage with the support frame such that the spatial reference members are interchangeable with each other, wherein a first one of the spatial reference members is associated with a different application than a second one of the spatial reference members;

    a first physical object movable within a first spatial region associated with the first spatial reference member when it is engaged with the support frame;

    indicia associated with a position of the first physical object; and

    a detector arranged to detect the indicia associated with the position of the first physical object and to generate signals for inputting into an application of a computer, the application being related to which spatial reference member is engaged with the support frame.

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