Vehicle navigation apparatus
First Claim
Patent Images
1. A method of vehicle navigation comprising the acts of:
- providing a storage medium operable to store map data and facility data;
providing a vehicle position detector operable to detect a present position of a vehicle;
providing a display device;
providing a communications device operable to establish communication connection with a data transmission center outside the vehicle;
reading map data stored in the storage medium based on the vehicle position detected by the vehicle position detector to display a map on the display device;
updating map data and facility data stored in the storage medium by obtaining other map data and other facility data from the data transmission center via the communications device; and
displaying an image representing the existence of the new facility on the map on the display device when the vehicle approaches a new facility.
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Abstract
A vehicle navigation apparatus that is capable of quickly providing information about a new facility to a user when the new facility is set up. The vehicle navigation apparatus includes information about a newly added facility. When a vehicle is approaching the new facility, an image representing the existence of the new facility is displayed on a map.
38 Citations
20 Claims
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1. A method of vehicle navigation comprising the acts of:
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providing a storage medium operable to store map data and facility data;
providing a vehicle position detector operable to detect a present position of a vehicle;
providing a display device;
providing a communications device operable to establish communication connection with a data transmission center outside the vehicle;
reading map data stored in the storage medium based on the vehicle position detected by the vehicle position detector to display a map on the display device;
updating map data and facility data stored in the storage medium by obtaining other map data and other facility data from the data transmission center via the communications device; and
displaying an image representing the existence of the new facility on the map on the display device when the vehicle approaches a new facility. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16)
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11. A navigation system comprising a vehicle navigation apparatus and a data transmission center,
the vehicle navigation apparatus comprising: -
a storage medium operable to store map data and facility data;
a vehicle position detector operable to detect a present position of a vehicle;
a display device operable to display a map;
a communications device operable to establish communication connection with the data transmission center outside the vehicle; and
a controller operable to read out map data stored in the storage medium based on the vehicle position detected by said vehicle position detector and update the map data and the facility data stored in the storage medium by obtaining other map data and other facility data from the data transmission center via the communications device, the data transmission center comprising;
a map database operable to store map data relating to multiple regions of a country;
a facility database operable to store facility data about facilities in multiple regions of the country;
a version information comparison section operable to compare version information about the map data and the facility data received from the vehicle navigation apparatus with version information about corresponding map data and facility data within the map database and the facility database when the version information about the map data and the facility data is received from the vehicle navigation apparatus; and
a transmission section operable to transmit the map data and the facility data with updated version information to the vehicle navigation apparatus based on a comparison result provided by the version information comparison section.
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17. A method of guiding a vehicle to a new facility in a vehicle navigation apparatus, comprising the acts of obtaining facility data about a new facility from a data transmission center;
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displaying an image representing existence of the new facility on the map image when the vehicle is approaching said new facility,. - View Dependent Claims (18, 19, 20)
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Specification