Spatially aware inference logic

  • US 8,370,106 B2
  • Filed: 07/06/2009
  • Issued: 02/05/2013
  • Est. Priority Date: 07/07/2008
  • Status: Active Grant
First Claim
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1. A motion based input system comprising:

  • a processor in communication with a memory;

    a motion sensor in communication with the processor;

    the processor to acquire movement data from the motion sensor;

    a manager configured to execute on the processor and to control motion and orientation detectors, including;

    a motion detector to detect motion, including identification of a fast motion phase and a slow motion phase, wherein the motion is classified as slow and fast based upon comparing a magnitude of a motion vector with a magnitude of gravity; and

    an orientation detector to detect orientation towards gravity for each slow motion phase; and

    an inference state machine in communication with the manager configured to;

    maintain a sequence of the detected orientations towards gravity, each orientation in the sequence being limited to a slow motion phase;

    produce a profile description for the sequence of the detected orientations; and

    output an event corresponding to the profile description.

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