4. Optics: measuring and testing
  5. Document pattern analysis or verification

Bryan James Christophersen

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Document authenticating apparatus and method

Radiant energy – Invisible radiant energy responsive electric signalling – Ultraviolet light responsive means
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Document feeder and method

Sheet-material associating – Associating or disassociating – With control indicia
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Document monitoring method

Optics: measuring and testing – Document pattern analysis or verification
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Method and apparatus for identifying documents

Image analysis – Applications – Reading bank checks
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Profile ID: LFUS-PAI-P-2882024

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