Patent · US Expired

System for determining the position of an object

US7039421B2 · kind B2 · utility

17Cited by
9References
22Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 31, 2001
Grant dateMay 2, 2006
Priority date
Expiry dateFeb 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.