Automotive navigation system
US4912645A · kind A · utility
55Cited by
5References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 25, 1988 |
| Grant date | Mar 27, 1990 |
| Priority date | — |
| Expiry date | Mar 25, 2008 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01S19/49
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An automotive navigation system has a receiver for receiving data signals on present position of the vehicle transmitted from satellites. A present position detecting system detects the present position of the vehicle on the basis of the data signals. A display device shows the present position of the vehicle on the basis of the output of the present position detecting system. Change of the output of the present position detecting system to be given to the display device is inhibited when the vehicle is at a stop.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.