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System, method, and apparatus for passive, multi-spectral, optical identification of remote objects

  • US 7,290,710 B2
  • Filed: 08/21/2003
  • Issued: 11/06/2007
  • Est. Priority Date: 08/21/2003
  • Status: Active Grant
First Claim
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1. A system for passively and remotely identifying objects, comprising:

  • a series of signatures positioned on exterior surfaces of a plurality of objects, each of the signatures having an encoded, two-dimensional, reflective configuration that is spectrally tailored to define a unique signature for each of the objects; and

    an optical imaging system for remotely and passively detecting and decoding the signatures and thereby identifying the objects based on the signatures, the optical imaging system having a scanning system that passively detects light emanating from the signatures in respective, specific wavelength bands, and recognizes the signatures to discern what the objects are based on a database of information.

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