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Signaling print substances

  • US 10,112,715 B2
  • Filed: 04/26/2016
  • Issued: 10/30/2018
  • Est. Priority Date: 04/26/2016
  • Status: Active Grant
First Claim
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1. An unmanned aerial vehicle, comprising:

  • an electromagnetic radiation (EMR) sensor to detect a signal indicative of a substance to be printed and corresponding to an image to be printed; and

    a nozzle to eject the substance based on a location at which the signal is detected.

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