Device for determining position of a railway vehicle by measuring deviation in position of a magnet
US4912406A · kind A · utility
1Cited by
7References
7Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Sep 28, 1988 |
| Grant date | Mar 27, 1990 |
| Priority date | — |
| Expiry date | Sep 28, 2008 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01B7/28
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Apparatus including a magnet (10) having at least one degree of freedom w respect to a first member, tangent to the direction of measurement and cooperating with a magnetic portion associated with a second member, and a sensor (11) for picking up the position of the magnet relative to the first member. Such apparatus is employed in steerable railway vehicles.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.