Map display apparatus
US5917436A · kind A · utility
Assignees
Inventors
Key dates
| Filing date | Apr 19, 1996 |
| Grant date | Jun 29, 1999 |
| Priority date | — |
| Expiry date | Apr 19, 2016 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09B29/10
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A navigation apparatus for displaying most appropriately information such as character strings, routes, etc., when a map is displayed by bird's-eye view display. The navigation apparatus includes a portion for calculating the present position on the basis of information from sensors, a portion for executing perspective conversion operation for displaying a map by bird's-eye view display, a portion for disposing the present position or the present position and a position representing a destination at the most suitable positions, a portion for controlling so that overlap of character strings can be eliminated, a portion for controlling the same character strings, a portion for displaying most appropriately a background such as lines and planes, a portion for controlling marks to be displayed, and a portion for executing graphic plotting by using the resulting map data.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.