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Image based angle sensor

  • US 9,354,045 B1
  • Filed: 10/01/2011
  • Issued: 05/31/2016
  • Est. Priority Date: 10/01/2011
  • Status: Active Grant
First Claim
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1. An apparatus for image-based positioning of an object comprising:

  • (A) an image-capturing device;

    (B) a pattern-generating device comprising a structure having a first pole and a second pole opposite of the first pole, the structure includes a gradient pattern that extends from the first pole to the second pole, wherein said image-capturing device is configured to capture at least one image of said pattern-generating device while said pattern-generating device is located outside of said object and separate from said object;

    and(C) a processor configured to generate at least one set of pattern data by using said at least one image; and

    configured to analyze each said set of generated pattern data in order to determine angular coordinates of said object.

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