Traffic information display device method of displaying traffic information and medium on which display control program for use in traffic information display device is recorded
First Claim
1. A traffic information display device comprising:
- a current position detecting means for detecting a current position of a vehicle in which said traffic information display device as mounted;
a road map storing means for storing road map data;
a map display control means for displaying a road map image associated with an area in the vicinity of the current position of the vehicle on the screen of a display device on the basis of the current position from said current position detecting means and road map data from said road map storing means;
a traffic information receiving means for receiving traffic information;
a traffic information display control means for displaying traffic information from said traffic information receiving means on the road map image displayed on the screen of the display device;
a traffic information display restricting means for restricting a display of traffic information about a predetermined area of the on-screen road map image so as to efficiently recognize traffic information about the remaining area of the on-screen map image including the current position of the vehicle other than the predetermined area; and
a traffic information display restricted area control means for varying the predetermined area in which a display of traffic information is restricted according to the speed of the vehicle.
1 Assignment
0 Petitions
Accused Products
Abstract
A traffic information display device including a current position detecting unit for detecting the current position of a vehicle in which the traffic information display device is mounted, a road map storing unit for storing road map data, a map display control unit for displaying a road map image associated with an area in the vicinity of the current position of the vehicle on the screen of a display device on the basis of the current position from the current position detecting unit and road map data from the road map storing unit, a traffic information receiving unit for receiving traffic information, a traffic information display control unit for displaying traffic information from the traffic information receiving unit on the road map image displayed on the screen of the display device, and a traffic information display restricting unit for restricting a display of traffic information about a predetermined area of the on-screen road map image so as to emphasize traffic information about the remaining area of the on-screen map image including the current position of the vehicle other than the predetermined area.
-
Citations
21 Claims
-
1. A traffic information display device comprising:
-
a current position detecting means for detecting a current position of a vehicle in which said traffic information display device as mounted; a road map storing means for storing road map data; a map display control means for displaying a road map image associated with an area in the vicinity of the current position of the vehicle on the screen of a display device on the basis of the current position from said current position detecting means and road map data from said road map storing means; a traffic information receiving means for receiving traffic information; a traffic information display control means for displaying traffic information from said traffic information receiving means on the road map image displayed on the screen of the display device; a traffic information display restricting means for restricting a display of traffic information about a predetermined area of the on-screen road map image so as to efficiently recognize traffic information about the remaining area of the on-screen map image including the current position of the vehicle other than the predetermined area; and a traffic information display restricted area control means for varying the predetermined area in which a display of traffic information is restricted according to the speed of the vehicle. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
-
-
16. A method of displaying traffic information, comprising steps of:
-
displaying a road map image associated with an area in the vicinity of a current position of a vehicle on a display screen of a display device on the basis of the current position of the vehicle and the road map data; displaying traffic information on the on-screen road map image; restricting a display of traffic information about a predetermined area of the on-screen map image so as to efficiently recognize traffic information about the remaining area of the on-screen map image including the current position of the vehicle other than the predetermined area; and varying the predetermined area in which a display of traffic information is restricted according to the speed of the vehicle. - View Dependent Claims (17, 18)
-
- 19. A medium on which a software program for controlling a display of traffic information by means of a computer is recorded, wherein said program displays a map image associated with an area in the vicinity of a current position of a vehicle on a display screen of a display device on the basis of the current position of the vehicle and road map data, displays traffic information on the on-screen map image, restricts a display of traffic information about a predetermined area of the on-screen map image so as to efficiently recognize traffic information about the remaining area of the on-screen map image including the current position of the vehicle other than the predetermined area, and varies the predetermined area in which a display of traffic information is restricted according to the speed of the vehicle.
Specification