Map display system
US4675676A · kind A · utility
104Cited by
12References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 8, 1984 |
| Grant date | Jun 23, 1987 |
| Priority date | — |
| Expiry date | Mar 8, 2004 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09B29/106
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A vehicle map display system includes a control unit to manually or automatically display a reduced or enlarged map, from a reduced or enlarged map data storage device in accordance with the separating distance between the present position of a vehicle and a destination, on the whole or part of a display area of a display device which is provided with a sub-display area.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.