Travel guidance system for vehicles
A travel guidance system is described for vehicles including: a heading sensor for detecting a direction of movement of a vehicle; a distance sensor for detecting a distance traveled by the vehicle; a map data storage medium preliminarily storing map data; a control unit for receiving a heading signal from the heading sensor and a distance signal from the distance sensor to successively compute a present position of the vehicle and for generating video signals corresponding to display data including map data from the map data storage medium and data of the present position; and a display having first and second display portions and responsive to the video signals from the control unit to display on the first display portion a map and a present portion mark, in which: the map data storage medium comprises means for preliminarily storing administrative division name data and landmark data; and the control unit comprises: landmark display means for: (1) determining a landmark closest to the present position, (2) causing a position of the landmark to be displayed on the map and (3) retrieving a landmark massage concerning the landmark from the storage medium to cause the display to display the landmark message on the second display portion; division name display means for retrieving the name of an administrative division to which the present position belongs from the storage medium and causing the display to display a division name message on the second display portion; and selection means for selectively actuating at least one of the landmark display means and the division name display means.
- Assignee:
- Nippondenso Co., Ltd., Kariya
- Patent Number(s):
- US 4646089
- OSTI ID:
- 7085245
- Resource Relation:
- Patent File Date: Filed date 6 Jan 1984
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
VEHICLES
COMPUTERIZED CONTROL SYSTEMS
ELECTRONIC GUIDANCE
COMPUTER CALCULATIONS
DISTANCE
INFORMATION RETRIEVAL
MAPS
MEMORY DEVICES
POSITIONING
SIGNALS
CONTROL SYSTEMS
320203* - Energy Conservation
Consumption
& Utilization- Transportation- Land & Roadway