Method and apparatus for updating map data, and computer-readable medium storing program for executing the method
First Claim
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1. A method of updating map data, the method comprising:
- receiving first location information and first map data from at least one of a broadcasting network, the Internet, and a transmission medium;
determining if second map data stored in a device has changed by checking whether the first location information corresponds to second location information searched from the second map; and
updating the second map data based on the first map data or displaying the first map data, if the second map data has changed.
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Abstract
A method and an apparatus for easily updating map data in real time, using a device employing map data or a navigation system, through a transport protocol expert group (TPEG) service, and a computer-readable medium storing a computer program for executing the method, as provided. The method includes determining if the map data has changed using location information received from at least one of a broadcasting network, the Internet, and a transmission medium; and updating the map data based on the location information if the map data has changed.
85 Citations
19 Claims
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1. A method of updating map data, the method comprising:
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receiving first location information and first map data from at least one of a broadcasting network, the Internet, and a transmission medium; determining if second map data stored in a device has changed by checking whether the first location information corresponds to second location information searched from the second map; and updating the second map data based on the first map data or displaying the first map data, if the second map data has changed. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. An apparatus for updating map data, the apparatus comprising:
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a decoder which receives first location information from at least one of a broadcasting network, the Internet, and a transmission medium, and decodes the first location information; a storage unit which stores second map data; and a controller which determines if the second map data has changed by checking whether the first location information corresponds to second location information searched from the second map data, determines that the second map data has changed if the first location information does not corresponded to the second location information, and updates the second map data based on first map data received from at least one of the broadcasting network, the Internet, and the transmission medium, wherein the first map data is received with the first location information. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18)
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19. A computer-readable storage medium having embodied thereon a computer program for executing a method of updating map data, the method comprising:
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receiving first location information and first map data from at least one of a broadcasting network, the Internet, and a transmission medium; determining if the second map data stored in a device has changed by checking whether the first location information corresponds to second location information searched from the second map data; and updating the second map data based on the first map data or displaying the first map data, if the second map data has changed.
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Specification