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DETERMINE MOVEMENT OF A PRINT MEDIUM RELATIVE TO A MOBILE DEVICE

  • US 20100182648A1
  • Filed: 03/30/2010
  • Published: 07/22/2010
  • Est. Priority Date: 05/09/2005
  • Status: Active Grant
First Claim
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1. A method of using a mobile device to determine movement, relative to the mobile device, of a print medium being printed on by the mobile device, the mobile device including a printer, a sensor in a media feed path of the printer and processing means, a surface of the print medium bearing coded data indicative of a plurality of locations on the surface, the method comprising the steps of:

  • using the sensor to sense the coded data at a plurality of locations on the surface;

    decoding the coded data at respective locations in order to determine the plurality of locations; and

    determining movement of the print medium relative to the sensor from the locations.

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