06243447 is referenced by 41 patents and cites 38 patents.

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.

Title
Self-service checkout system utilizing portable communications terminal
Application Number
9/240399
Publication Number
6243447 (B1)
Application Date
January 29, 1999
Publication Date
June 5, 2001
Inventor
Jay P White
Bohemia
NY, US
Miklos Stern
Flushing
NY, US
Anthony R Barkume
Manorville
NY, US
Gary Serbin
Bellmore
NY, US
Thomas Roslak
Eastport
NY, US
Ron Goldman
Westbury
NY, US
Jerome Swartz
Old Field
NY, US
Agent
Gary Serbin
US
Assignee
Symbol Technologies
NY, US
IPC
H04M 1/02
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