Invention Grant
US09404767B2 Methods and systems for performing charting tasks 有权
执行图表任务的方法和系统

Methods and systems for performing charting tasks
Abstract:
A method for accessing information on an electronic version of an navigation information display is described. The method includes displaying navigation information on a display of a device, the device incorporating a touch screen, sensing a user touch on the touch screen, determining, by the device, a location on the touch screen where the user touch has occurred, correlating the location on the touch screen where the user touch has occurred with a location on the navigation information display, and displaying a magnified area of a portion of the navigation information proximate the location on the touch screen where the user touch occurred.
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