Display method and apparatus for navigation system for efficiently searching cities on map image
First Claim
1. A display method for searching a city for a navigation system, comprising the following steps of:
- displaying a map image on a screen of the navigation system;
specifying a state name for searching a city within the specified state;
specifying at least a first character of a desired city name within the specified state;
determining a reference location which is either a current user position or a location of a first city derived from input by the user;
detecting a search direction on the map image specified by the user through an input device; and
moving a cursor on the map image to a location of a candidate city in the specified search direction in an order of distance from the reference location in response to each operation of the input device.
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Abstract
A display method and apparatus for a navigation system promotes to quickly search a desired on a map image with respect to an order of distance from a current vehicle position or other reference position. On the screen of the navigation system, it displays a specially designed screen to implement the city search operation which includes a state selection box and a city selection box. The navigation system detects the search direction specified by the user and moves the cursor to the location of the candidate city in response to every operation of the input device in the order of distance in the specified direction. Thus, the user is able to find the city by its relative location to the current vehicle position or other reference location, thereby enabling to quickly and intuitively search the target city.
22 Citations
20 Claims
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1. A display method for searching a city for a navigation system, comprising the following steps of:
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displaying a map image on a screen of the navigation system; specifying a state name for searching a city within the specified state; specifying at least a first character of a desired city name within the specified state; determining a reference location which is either a current user position or a location of a first city derived from input by the user; detecting a search direction on the map image specified by the user through an input device; and moving a cursor on the map image to a location of a candidate city in the specified search direction in an order of distance from the reference location in response to each operation of the input device. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A display apparatus for searching a city for a navigation system, comprising:
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means for displaying a map image on a screen of the navigation system; means for specifying a state name for searching a city within the specified state; means for specifying at least a first character of a desired city name within the specified state; means for determining a reference location which is either a current user position or a location of a first city derived from input by the user; means for detecting a search direction on the map image specified by the user through an input device; and means for moving a cursor on the map image to a location of a candidate city in the specified search direction in an order of distance from the reference location in response to each operation of the input device. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification