Wireless six-degree-of-freedom locator
US6188355A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Dec 14, 1998 |
| Grant date | Feb 13, 2001 |
| Priority date | — |
| Expiry date | Dec 14, 2018 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01S5/06
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A method for determining the position and orientation of an object with respect to a reference frame, made up of providing the object with three independent transmitters of electromagnetic radiation, providing three independent receivers of the electromagnetic radiation, each of the receivers having a fixed position in the reference frame, transmitting the electromagnetic radiation, using the transmitters, a first of the transmitters transmitting the electromagnetic radiation including at least a first frequency, a second of the transmitters transmitting the electromagnetic radiation including at least a second frequency different from the first frequency, and a third of the transmitters transmitting the electromagnetic radiation including at least a third frequency different from the first frequency, receiving signals corresponding to the electromagnetic radiation, at all three of the receivers, at a plurality of times, each of the signals including components of at least one of the three frequencies, for each of the receivers, forming a first function of the components including the components of the signal received by the each receiver from the first transmitter at the first fre…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.