Navigation device
US9057623B2 · kind B2 · utility
0Cited by
1References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 23, 2011 |
| Grant date | Jun 16, 2015 |
| Priority date | — |
| Expiry date | Nov 30, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09B29/10
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A navigation device includes a road periphery display change unit 3 that selects a road R which connects to, intersects with, or is adjacent to a guidance route/a travel plan route 21 from a map database 5, and displays the road in a high contrast on the inside of a predetermined distance from the guidance route/the travel plan route 21, displays the road in a low contrast on the outside of the predetermined distance, and displays the road by changing continuously or stepwise a gradation in an intermediate region between the inside and the outside.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.