Travel locus display device
First Claim
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1. A travel locus display device comprising:
- a display unit such as CRT for displaying a destination point and a travel locus of a vehicle from a coordinate origin as a start point in a coordinate display area on a display screen;
an azimuth sensor for sensing an azimuth of the vehicle;
a travel distance sensor for sensing a travel distance of the vehicle; and
a display control unit for controlling said display unit in accordance with an azimuth detection signal, a travel distance detection signal, an azimuth data and a distance data to the destination point supplied thereto, and for selecting one of four quadrants to which the destination point belongs based on said azimuth data, to cause said quadrant selected to be displayed over a substantially entire area of said coordinate display area and portion of other quadrants adjacent to said display quadrant to be displayed on the remaining area of said coordinate display area.
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Abstract
A travel locus display device has a display unit such as a CRT display to display a start point and a destination point of a vehicle and a travel locus of the vehicle from the start point to the destination point on a coordinate display area of a display screen of the display unit. The display screen is divided into four quadrants, one of which is selected as a display quadrant to which the destination point belongs. The display quadrant is displyed over an entire area of the coordinate display area.
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Citations
8 Claims
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1. A travel locus display device comprising:
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a display unit such as CRT for displaying a destination point and a travel locus of a vehicle from a coordinate origin as a start point in a coordinate display area on a display screen; an azimuth sensor for sensing an azimuth of the vehicle; a travel distance sensor for sensing a travel distance of the vehicle; and a display control unit for controlling said display unit in accordance with an azimuth detection signal, a travel distance detection signal, an azimuth data and a distance data to the destination point supplied thereto, and for selecting one of four quadrants to which the destination point belongs based on said azimuth data, to cause said quadrant selected to be displayed over a substantially entire area of said coordinate display area and portion of other quadrants adjacent to said display quadrant to be displayed on the remaining area of said coordinate display area. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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Specification