Traffic information display unit
First Claim
1. A traffic information display unit comprisingmap data storing means for storing map data used for displaying a map;
- traffic information receiving means for receiving traffic information;
display means for displaying a map using said map data and for displaying on the displayed map a traffic information representation based on said traffic information received by said traffic information receiving means; and
road type associated traffic information display mode control means for altering a display mode of said traffic information representation in accordance with a type of a road associated with said traffic information when displaying said traffic information representation.
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Accused Products
Abstract
A traffic information display unit having a road type associated traffic information display mode control unit for altering the display mode of a traffic information representation in accordance with the type of a road associated with the traffic information. Alternatively, it may have a traffic information additional symbol adding unit for adding a traffic information additional symbol indicating the direction of a road associated with an accident/regulation information. Those make it possible to solve conventional problems in that a driver must manipulate a switch each time he wishes to distinguish the traffic information representation of an expressway from that of a local road, or that he cannot recognize lane in which the accident/regulation takes place because the traffic information representation of the accident/regulation information was a simple symbol on the road without showing the direction.
145 Citations
13 Claims
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1. A traffic information display unit comprising
map data storing means for storing map data used for displaying a map; -
traffic information receiving means for receiving traffic information; display means for displaying a map using said map data and for displaying on the displayed map a traffic information representation based on said traffic information received by said traffic information receiving means; and road type associated traffic information display mode control means for altering a display mode of said traffic information representation in accordance with a type of a road associated with said traffic information when displaying said traffic information representation. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A traffic information display unit comprising:
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map data storing means for storing map data used for displaying a map; traffic information receiving means for receiving traffic information; display means for displaying a map using said map data and for displaying on the displayed map a traffic information representation based on said traffic information received by said traffic information receiving means; and road type associated traffic information additional symbol display mode control means for altering a display mode of a traffic information additional symbol, which is displayed in addition to said traffic information representation, in accordance with a type of a road associated with said traffic information when displaying said traffic information representation. - View Dependent Claims (9)
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10. A traffic information display unit, comprising:
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map data storing means for storing map data used for displaying a map; traffic information receiving means for receiving traffic information; display means for displaying a map using said map data and for displaying on the displayed map an accident/regulation mark based on accident/regulation information in said traffic information received by said traffic information receiving means; and traffic information additional symbol adding means for adding a traffic information additional symbol indicating a direction of a road associated with said accident/regulation information when displaying said accident/regulation mark, wherein said traffic information additional symbol adding means adds as said traffic information additional symbol an accident/regulation section indicating line displayed along said road associated with said accident/regulation information to indicate an accident/regulation section and a direction of said road. - View Dependent Claims (11)
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12. A traffic information display unit, comprising:
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map data storing means for storing map data used for displaying a map; traffic information receiving means for receiving traffic information; display means for displaying a map using said map data and for displaying on the displayed map an accident/regulation mark based on accident/regulation information in said traffic information received by said traffic information receiving means; and traffic information additional symbol adding means for adding a traffic information additional symbol indicating a direction of a road associated with said accident/regulation information when displaying said accident/regulation mark, and further comprising road type associated traffic information additional symbol display mode control means for altering a display mode of said traffic information additional symbol in accordance with the type of a road associated with said accident/regulation information.
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13. A traffic information display unit, comprising:
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map data storing means for storing map data used for displaying a map; traffic information receiving means for receiving traffic information; display means for displaying a map using said map data and for displaying on the displayed map an accident/regulation mark based on accident/regulation information in said traffic information received by said traffic information receiving means; and traffic information additional symbol adding means for adding a traffic information additional symbol indicating a direction of a road associated with said accident/regulation information when displaying said accident/regulation mark, and further comprising road type associated traffic information additional symbol display mode control means for altering a display mode of said traffic information additional symbol in accordance with the type of a road associated with said accident/regulation information.
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Specification