Navigation device, map displaying method and image display device
US6954696B2 · kind B2 · utility
50Cited by
10References
6Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Aug 28, 2002 |
| Grant date | Oct 11, 2005 |
| Priority date | — |
| Expiry date | May 23, 2023 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09B29/106
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A navigation device simultaneously displays two screens of maps on a common display unit and includes a map data storage unit for storing map data and a resolution conversion unit for converting the resolution of the map data acquired from the map data storage unit. The display unit has a predetermined display area for displaying a map based on the map data with its resolution having been converted.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.