초록 ▼

A navigation system is provided for offering navigational assistance to a mobile user. The navigation system receives GPS position information signals which are processed to determine current position latitude and longitude coordinates and direction of travel. A destination database includes a plura

A navigation system is provided for offering navigational assistance to a mobile user. The navigation system receives GPS position information signals which are processed to determine current position latitude and longitude coordinates and direction of travel. A destination database includes a plurality of categorized destinations and corresponding destination position coordinates pertaining to the destinations. The destination database is stored on an interfacable memory card and contains menu categories and subcategories for classifying the destinations and additional text information pertaining to the destinations. User selectable menu controls enable the user to sequence through the menu of categories and destinations and select a desired destination. This is easily accomplished by rotating a rotary pushbutton to view category and destination selections and depressing the rotary pushbutton to select the selection shown. A processor compares the current position coordinates with the position coordinates of the selected destination and determines a distance and a straight-line direction from the current position to the selected destination. The processor may also sort considered destinations by radial distance and within a limited search zone. A display displays the distance and a direction pointing indicator for showing the direction from the current position to the selected destination. In one embodiment, the navigation system is integrated with an audio entertainment system and shares a common display and housing.

대표청구항 ▼

[ What is claimed is:] [1.] A mapless navigation system with radially sortable destination selections, said navigation system comprising:a position sensing receiver for receiving position information and determining a current position thereof;a destination data base for storing a plurality of destin

[ What is claimed is:] [1.] A mapless navigation system with radially sortable destination selections, said navigation system comprising:a position sensing receiver for receiving position information and determining a current position thereof;a destination data base for storing a plurality of destinations and information pertaining to the destinations;a user selectable hierarchy menu containing various categories of the destinations, said menu being manually selectable by a user to select one of said categories;means for determining a distance and a direction from a location remote from the current position to the selected destination;means for selecting a particular remote location;a direction pointing indicator for providing a visual indication of the direction from the current position to the selected destination; andmeans for sorting the destinations within the selected category by radial distance from a selected location remote from the current position to each of said sorted destinations.