06320518 is referenced by 77 patents and cites 13 patents.

The present invention aims to implement a flexible transmission of the map data according to the performance of the mobile terminal of the receiver, the moving speed of the mobile terminal, or the communicating speed of the communication media. The dynamic priority setting unit determines and sets the priority to each of the parts constituting the map data with considering an improvement of readability of the guiding route, a necessity of real-time display, the static priority previously assigned to each part, and the user's request. The data amount determining unit calculates a total transmittable amount of map data according to the performance of the mobile terminal of the receiver, the moving speed of the mobile terminal, the communicating speed of the communication media and so on. The data amount determining unit also dynamically updates the total transmittable amount of map data according to change of the status. The parts selecting unit selects the parts to be transmitted based on the priority, and the transmitting unit transmits the selected part.

Title
Map data transmitting apparatus, and computer readable recording medium having computer readable programs stored therein for causing computer to perform map data transmitting method
Application Number
9/737937
Publication Number
6320518 (B2)
Application Date
December 18, 2000
Publication Date
November 20, 2001
Inventor
Ken ichi Saitou
Tokyo
US
Toshiaki Saeki
Tokyo
US
Assignee
Mitsubishi Denshi Kabushiki Kaisha
US
IPC
G08G 1/123
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