Patents by Inventor Danny Dick-Fung Siu

Danny Dick-Fung Siu has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Methods and apparatus for validating input by rendering a barcode
    Patent number: 7537162
    Abstract: A system renders a barcode on a graphical user interface by displaying content within a graphical user interface. The content includes a barcode representing at least a portion of the displayed content. The system detects a change associated with the content displayed within the graphical user interface. In response to the change associated with the content, the system automatically generates a barcode incorporating the change, and automatically updates and displays the barcode on the graphical user interface in association with the content. The barcode reflects the detected change.
    Type: Grant
    Filed: September 28, 2005
    Date of Patent: May 26, 2009
    Assignee: Adobe Systems Incorporated
    Inventor: Danny Dick-Fung Siu