Patent · US Expired

System and method for global positioning system (GPS) based presence

US7848761B2 · kind B2 · utility

45Cited by
42References
30Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 26, 2003
Grant dateDec 7, 2010
Priority date
Expiry dateJun 2, 2024

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01S19/17
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

A telecommunications system includes a plurality of network clients (150) including a positioning controller (504) and a communications controller (502); and a positioning server (152) including a coordinating controller (161) for maintaining a database of network clients to be tracked and provide updates of position-related information to a presence server (104). The plurality of network clients (150) are configured to transmit position information received via the positioning controller (504) to the positioning server (104) using the communications controller (502).

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.