System for determining the position of an object
US7039421B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 31, 2001 |
| Grant date | May 2, 2006 |
| Priority date | — |
| Expiry date | Feb 7, 2023 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01C21/206
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A system for determining the position of an object, comprising a reference transmitter device (202) disposed in a fixed position, the reference transmitter device (202) having a reference time supplying means for supplying a reference time signal that indicates a reference time, at least two transmitter/receiver devices (302) disposed in fixed positions with respect to each other and to the reference transmitter device (202), each transmitter/receiver device (302) having a time supplying means for supplying a time signal indicating a time, a receiver means for receiving the reference time signal from the reference transmitter device (202) and a synchronization means for processing the time signal and the reference time signal, as well as a position determining device (502) on the object for determining the position of the object.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.