Patents by Inventor Dave Schaaf

Dave Schaaf 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).

  • Publication number: 20130268892
    Abstract: A map scrolling method and apparatus for a navigation system prevents from displaying certain icons while displaying other icons based on conditions and settings of the navigation system during a transition period of a map scrolling operation. The map scrolling method includes the steps of: detecting activation of a map scrolling operation; checking whether there is any limit condition attached to icons as to remove them from a map image; scrolling the map image while removing the icons to which the limit condition is attached from the map image during a transition period of the map scrolling operation; and displaying all of the icons when the map scrolling operation is completed.
    Type: Application
    Filed: May 17, 2013
    Publication date: October 10, 2013
    Inventors: Dave Schaaf, Andrew De Silva
  • Publication number: 20090088964
    Abstract: A map scrolling method and apparatus for a navigation system prevents from displaying certain icons while displaying other icons based on conditions and settings of the navigation system during a transition period of a map scrolling operation. The map scrolling method includes the steps of: detecting activation of a map scrolling operation; checking whether there is any limit condition attached to icons as to remove them from a map image; scrolling the map image while removing the icons to which the limit condition is attached from the map image during a transition period of the map scrolling operation; and displaying all of the icons when the map scrolling operation is completed.
    Type: Application
    Filed: September 28, 2007
    Publication date: April 2, 2009
    Inventors: Dave Schaaf, Andrew De Silva