Method and apparatus for display of distance and direction to destination
US4663719A · kind A · utility
14Cited by
10References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 26, 1983 |
| Grant date | May 5, 1987 |
| Priority date | — |
| Expiry date | Apr 26, 2003 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01C21/26
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A method for displaying positional relation between the present running position of an automobile and a destination, on the basis of the wheel rotation signals generated by detecting rotation of left and right wheels of the automobile, setting signals selected at a starting position to represent a distance to the destination from the starting position and a direction of the destination from the starting point, and a direction signal indicating a running direction of the automobile.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.