Patent ID: 7378941
Filing Date: 2008-05-27
Classification: G07G

Abstract:
1. A method of setting the numbers of products in RFID chips respectively by using a computer, comprising the steps of: sending from a user apparatus to a chip maker apparatus a product number list including production numbers assigned in accordance with a user's instruction; encoding, in said chip maker apparatus, said production numbers into chip IDs by using a character conversion table to thereby manufacture RFID chips having said chip IDs; sending said character conversion table from said chip maker apparatus to a production number management server through a communication network; storing said character conversion table in said production number management server; obtaining, in said user apparatus, said character conversion table by using a user ID of said user apparatus; obtaining an ID code by use of said user ID from said production number management server; and decoding said ID code into a production number based on said character conversion table.