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Coded localization systems, methods and apparatus

  • US 10,024,651 B2
  • Filed: 12/29/2016
  • Issued: 07/17/2018
  • Est. Priority Date: 01/03/2012
  • Status: Active Grant
First Claim
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1. A navigation system for a repositionable object, comprising:

  • a first optical motion unit having a first plurality of optical channels and configured to capture information from a first portion of a moving scene;

    a second optical motion unit having a second plurality of optical channels and configured to capture information from a second portion of the moving scene, the second optical motion unit being displaced from the first optical motion unit by a first distance in a first direction; and

    a processing subsystem configured to determine a two dimensional change in motion of the scene based upon data output from the first and second motion units and the first direction and distances;

    each of the first plurality of optical channels and the second plurality of optical channels including;

    a detector configured to receive electromagnetic energy incident thereon and propagating from the moving scene; and

    a localization code that is (i) configured to optically modify the electromagnetic energy passing therethrough to the detector, (ii) one of an amplitude mask, a phase mask, an aperture pattern, and a polarizer, and (iii) different from the localization code of each other optical channel of the plurality of optical channels.

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