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System for and method of generating rotational inputs

  • US 20050041885A1
  • Filed: 08/04/2004
  • Published: 02/24/2005
  • Est. Priority Date: 08/22/2003
  • Status: Active Grant
First Claim
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1. A method of obtaining rotation information, the method comprising:

  • a. capturing a plurality of patterned images from a plurality of locations;

    b. correlating the plurality of patterned images to generate sets of linear differences; and

    c. using the sets of linear differences to generate the rotation information.

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