Navigation device
US5383128A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | May 3, 1993 |
| Grant date | Jan 17, 1995 |
| Priority date | — |
| Expiry date | May 3, 2013 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01C21/26
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A navigation device includes measurement unit for measuring a current position of a vehicle and generating a current position data, route collection unit for generating route data on the basis of the current position data, place name extraction unit for extracting place name information with a predetermined interval from a map information in accordance with the current position data, storage unit for storing the route data and the place name information, the stored route data comprising a plurality of block route data each sectioned by the place name information, edit unit for editing the block route data stored in the storage unit, and display unit for extracting the route data from the storage unit and displaying the extracted route data together with the map information.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.