Patent · US Expired

Personal communication system for communicating voice data positioning information

US6868335B2 · kind B2 · utility

41Cited by
139References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 27, 2003
Grant dateMar 15, 2005
Priority date
Expiry dateFeb 27, 2023

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG09B29/106
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

A location tagged data provision and display system. A personal communication device (PCD) with electromagnetic communication capability has a GPS receiver and a display. The PCD requests maps and location tagged data from data providers and other for display on the PCD. The data providers respond to requests by using searching and sorting schemes to interrogate data bases and then automatically transmitting data responsive to the requests to the requesting PCD.

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