MAP SCROLLING METHOD AND APPARATUS FOR NAVIGATION SYSTEM FOR SELECTIVELY DISPLAYING ICONS
First Claim
1. A method for scrolling map images for a navigation system, comprising the following steps of:
- detecting, by using a central processing unit, activation of a map scrolling operation of the navigation system;
checking whether there is any limit condition attached to icons or map elements as to remove them from the map image;
scrolling the map image toward a specified direction while removing the icons or map elements to which the limit condition is attached from the map image during a transition period of the map scrolling operation;
detecting that the map scrolling operation is paused when a time length of each temporary stop of the map scrolling operation is shorter than a predefined pause time;
reviving, when the map scrolling operation is paused, the icons or map elements that have been removed from the map image by representing the revived icons and map elements with simplified marks of identical shape on the map image; and
displaying all of the icons and map elements of original images at a location on the map image where the map scrolling operation is completed where the scrolling operation is completed when a time length of a stop of the map scrolling operation is longer than the predefined pause time.
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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.
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Citations
20 Claims
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1. A method for scrolling map images for a navigation system, comprising the following steps of:
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detecting, by using a central processing unit, activation of a map scrolling operation of the navigation system; checking whether there is any limit condition attached to icons or map elements as to remove them from the map image; scrolling the map image toward a specified direction while removing the icons or map elements to which the limit condition is attached from the map image during a transition period of the map scrolling operation; detecting that the map scrolling operation is paused when a time length of each temporary stop of the map scrolling operation is shorter than a predefined pause time; reviving, when the map scrolling operation is paused, the icons or map elements that have been removed from the map image by representing the revived icons and map elements with simplified marks of identical shape on the map image; and displaying all of the icons and map elements of original images at a location on the map image where the map scrolling operation is completed where the scrolling operation is completed when a time length of a stop of the map scrolling operation is longer than the predefined pause time. - View Dependent Claims (4, 5, 6, 7, 8, 9, 10)
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2. (canceled)
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3. (canceled)
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11. An apparatus for scrolling map images for a navigation system, comprising:
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means for detecting activation of a map scrolling operation of the navigation system; means for checking whether there is any limit condition attached to icons or map elements as to remove them from the map image; means for scrolling the map image toward a specified direction while removing the icons or map elements to which the limit condition is attached from the map image during a transition period of the map scrolling operation; means for detecting that the map scrolling operation is paused when a time length of each temporary stop of the map scrolling operation is shorter than a predefined pause time; means for reviving, when the map scrolling operation is paused, the icons or map elements that have been removed from the map image by representing the revived icons and map elements with simplified marks of identical shape on the map image; and means for displaying all of the icons and map elements of original images at a location on the map image where the map scrolling operation is completed where the scrolling operation is completed when a time length of a stop of the map scrolling operation is longer than the predefined pause time. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20)
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12. (canceled)
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13. (canceled)
Specification