Patent · US Expired

Self-service checkout system utilizing portable communications terminal

US6243447A · kind A · utility

56Cited by
31References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 29, 1999
Grant dateJun 5, 2001
Priority date
Expiry dateJan 29, 2019

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04M1/725
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

A system for transferring data between a centrally located site and a portable communications terminal via a telephone network, the site having associated therewith a look up table containing plurality of data records correlating to items disposed at a retail establishment, wherein each of the items has associated therewith a bar code encoded with the indicia unique to each item, with each of the bar coded indicia corresponding to a particular record in the table, the data containing at least a portion of said record.

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