PORTABLE TERMINAL DEVICE, DISTRIBUTION HISTORY RECORDING SYSTEM USING THE SAME, PROGRAM TO BE DOWNLOADED TO THE SAME, AND METHOD OF RECORDING DISTRIBUTION HISTORY USING THE SAME

摘要

PROBLEM TO BE SOLVED: To provide a distribution history recording mechanism that prevents alteration of product data in the process of distribution in management of substantial data as well as a method of transferring data between traders, to enhance reliability of data at a low cost.

SOLUTION: The portable terminal device includes: a means for holding transactor identification information; a means for acquiring upstream trader identification information and received commodity identification information in association with a token by use of a short-range communication means; a means for acquiring delivered commodity identification information; and a means for outputting at least the trader identification information and the delivered commodity identification information in association with the token acquired, so as to supply the information to downstream by use of the short-range communication means. The distribution history recording system using the device, and a distribution history recording method using the program downloaded to the device and the portable terminal device are also provided.

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