Method of tracking an object having a passive transponder attached thereto
US7969143B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | May 21, 2001 |
| Grant date | Jun 28, 2011 |
| Priority date | — |
| Expiry date | May 21, 2021 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01S13/878
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A method of tracking translation and rotation of one or more objects within a region of interest. The method includes providing a passive transponder in the region of interest, the transponder having a position and an orientation, generating an electromagnetic field in the region of interest, causing the transponder to generate electromagnetic signal, mapping the electromagnetic field and the signal as functions of the position and the orientation of the transponder, fixing the transponder to the object being tracked, receiving the signals generated by the transponder while the transponder is fixed to the object being tracked, and processing the signal, with reference to the functions, to compute the three-dimensional translational position and three-axis rotational orientation of the object.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.