×

DATA TRANSMISSION TO OPTICAL TERMINALS

  • US 20120138693A1
  • Filed: 11/23/2011
  • Published: 06/07/2012
  • Est. Priority Date: 12/01/2010
  • Status: Active Grant
First Claim
Patent Images

1. A method of transmitting information from a handheld device to a terminal, the method comprising:

  • encoding the information as a barcode pattern;

    generating the barcode pattern on a display comprised by the handheld device;

    periodically modulating a size of the barcode pattern on the display while maintaining internal relative dimensions within the barcode pattern; and

    displaying the periodically modulating barcode pattern to an optical reader comprised by the terminal.

View all claims
  • 2 Assignments
Timeline View
Assignment View
    ×
    ×