Map displaying method
Patent 5471205 Issued on November 28, 1995. Estimated Expiration Date: 
August 31, 2014. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
August 31, 2014. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesAircraft piloting aid system Scrolling image memory for high speed avionics moving map display Radar navigation system Electronic directory for identifying a selected group of subscribers Vehicle-mounted navigation apparatus Navigation apparatus for vehicles Patent #: 5293163 InventorApplicationNo. 297549 filed on 08/31/1994US Classes:340/995.27, Including particular display feature (e.g., indication of direction, mileage, road type, etc.)340/988, VEHICLE POSITION INDICATION340/990, With map display340/994, Vehicle's arrival or expected arrival at remote location along route indicated at that remote location (e.g., bus arrival systems)701/208For use in a map data base systemExaminersPrimary: Peng, John K.Assistant: Lee, Benjamin C. Attorney, Agent or FirmInternational ClassG08G 001/123AbstractA display method for displaying one or more of the current point, the target point, or objective point on a display screen, the method suppressing a display of useless background and offering sufficient background for visual and geographical recognition of the displayed point. When displaying a map of an area about a display point, the displayed area is defined by a circular region having a predetermined radius and a fan-shaped region which spreads at a predetermined angle from a path to be followed by the current point. | |
