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US 2006/0224315 A1Published application
Map display device
AssigneeDenso Corporation
InventorTatsuya Okumura
Life of this patent
Estimating the term…
Abstract
A map display device having a corridor function includes a control unit and display unit. In the corridor function, the control unit clips a part of map data corresponding to a region, which includes a reference point at a central part of the region, and stores the part of map data in a memory; the display unit displays a map of the region based on the stored part of map data.
Claims17
A map display device having a corridor function, the device comprising:
- a control unit for clipping a part of map data corresponding to a region, which includes a reference point at a central part of the region, and for storing the part of map data in a memory;
- and
- a display unit for displaying a map of the region based on the part of map data stored in the memory.
A map display device having a corridor function, the device comprising:
- a control unit for clipping a part of map data corresponding to a region, which includes a reference position and is enlarged based on a direction from a current position of a vehicle where the map display device is provided to a destination of the vehicle, and for storing the part of map data in a memory;
- and
- a display unit for displaying a map of the region based on the part of map data stored in the memory.
A method for a corridor function used in a map display device, the method comprising:
- determining a reference position;
- defining four sections by evenly dividing a minimum unit of map lengthwise and breadthwise, the minimum unit of map corresponding to the determined reference position;
- clipping a part of map data corresponding to a region including the reference position at a central part of the region while the region is enlarged based on which section of the four sections the reference position is located in;
- storing the part of map data in a memory;
- and
- displaying a map of the region based on the part of map data stored in the memory.
3 more elements
Dependencies are inferred from the claim text.