Patent ID: 9057623
Filing Date: 2015-06-16
Classification: G01C,G08G,G09B

Abstract:
1. A navigation device, comprising: a guidance route search unit configured to search for a guidance route from a current location to a destination; and a road periphery display change unit configured to display a road which connects to, intersects with, or is adjacent to the guidance route, display the road in a high contrast on the inside of a first distance from the guidance route, display the road in a low contrast on the outside of a second distance that is longer than the first distance, and display the road by changing continuously or stepwise a gradation of contrast in an intermediate region between the inside and the outside, the gradation of the contrast being changed from the high contrast to the low contrast in a direction from the inside to the outside, wherein the road periphery display change unit expands or contracts, on the displayed road, a length of the intermediate region according to a degree of importance of the displayed road.