Patents Assigned to CPO Technologies Corp.
  • Method and apparatus for scanning electronic barcodes
    Patent number: 6749120
    Abstract: A scanner is provided that can read two-dimensional barcodes from reflective or emissive electronic displays. Illumination, exposure, and contrast can be automatically adjusted according to the type of display and variations in brightness or reflectivity. The scanner includes an imaging camera with high spectral response for reading from color displays. The scanner can also adapt to read barcodes from displays with non-square pixels.
    Type: Grant
    Filed: December 11, 2000
    Date of Patent: June 15, 2004
    Assignee: CPO Technologies Corp.
    Inventors: Patrick Siu-ying Hung, James C. Dunphy