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Self-contained inertial navigation system for interactive control using movable controllers

  • US 7,636,645 B1
  • Filed: 06/18/2007
  • Issued: 12/22/2009
  • Est. Priority Date: 06/18/2007
  • Status: Active Grant
First Claim
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1. A method comprising:

  • augmenting a device by attaching removably a case thereto, the device containing a first set of less than six self-contained inertial sensors;

    providing a second set of less than six self-contained inertial sensors housed in the case, outputs of the second set of inertial sensors being coupled to the device externally through a connection, wherein there are at least six of the self-contained inertial sensors in the first set and the second set in total;

    providing, in response to correlated outputs from the first and second sets of the self-contained inertial sensors, an augmented time series including sufficient information to track changes in both position and orientation of the device being manipulated by a user in a three-dimensional space.

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