METHOD AND SYSTEM FOR SETTLEMENT USING PORTABLE TELEPHONE SET AND STORAGE MEDIUM STORED WITH PROGRAM FOR SETTLING METHOD USING PORTABLE TELEPHONE SET

摘要

PROBLEM TO BE SOLVED: To make a settlement by reading a bar code displayed on a portable telephone set with an image display function at a store equipped with a bar code reader. SOLUTION: The price and transaction code of an article, the ID of a portable telephone contractor, etc., are displayed as a bar code and information of them is sent and received through the Internet, etc.; and a bar code settlement store and/or a 3rd institution is interposed between a selling company and the portable telephone contractor to secure the safety of commercial transaction and make the transaction easy and speedy.