Method for determining the position of a mobile unit and installation for executing a method
US9453933B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 13, 2013 |
| Grant date | Sep 27, 2016 |
| Priority date | — |
| Expiry date | May 13, 2033 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01R27/26
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A method for determining the position of a mobile unit which has a first coil, the mobile unit being disposed in a manner allowing movement relative to a stationary second coil, and a system for carrying out a method, the first coil having two part-windings, the second coil likewise having two part-windings, prevailing strengths of the inductive coupling of the part-windings of the first coil, or of the first coil to the part-windings of the second coil or to the second coil being determined, a phase shift of the induced AC-voltage signals being determined, a position range in which the phase shift is a biunique function of the position being determined from the coupling strengths, the position being determined from the phase shift.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.