Patent ID: 8436716
Filing Date: 2013-05-07
Classification: G06F,G06K

Abstract:
1. A method of upgrading an operation program in an interrogator of a radio frequency identification (RFID) system including the interrogator and a transponder, the method comprising: transmitting, from the interrogator to a transponder, a first message requesting an operation program upgrade based on information exchanged between the interrogator and the transponder, wherein the first message comprises a field indicating a type of command, a field indicating a position of memory at which the command is executed, a field indicating a size of data receivable by the interrogator, a field designating the transponder to execute the command, and a field for verifying the reliability of data communication; receiving, at the interrogator from the transponder, a second message that includes a new-version operation program in response to the first message; and installing, at the interrogator, the new-version operation program to upgrade the operation program in the interrogator.