公开(公告)号：US20140145832A1

公开(公告)日：2014-05-29

申请号：US13943479

申请日：2013-07-16

Applicant: Electronics and Telecommunications Research Institute

Inventor： Hyunseok KIM ,  Heyung Sub Lee ,  Chan-Won Park

IPC: G06K7/10

CPC classification number: G06K19/07786 ,  G06K19/07766

Abstract: There is provided an RFID tag having multi-voltage multipliers including two or more antennas configured to receive electromagnetic waves emitted from a reader, a first voltage multiplier configured to be connected to one of the antennas and change the received AC electromagnetic waves to DC voltage signals, a modulator configured to transmit backscattering communication signals by changing impedance through the antenna connected to the first voltage multiplier, and a second voltage multiplier configured to be connected to another antenna among the antennas and change AC electromagnetic waves received from the other antenna to DC voltage signals.

Abstract translation: 提供了一种具有多电压乘法器的RFID标签，其包括被配置为接收从读取器发射的电磁波的两个或多个天线，被配置为连接到天线之一并将接收的AC电磁波改变为DC电压信号的第一电压倍增器 调制器，被配置为通过改变通过连接到第一电压倍增器的天线的阻抗来传输反向散射通信信号;以及第二电压倍增器，被配置为连接到天线中的另一个天线，并且将从另一个天线接收的AC电磁波改变为DC电压 信号。

公开(公告)号：US09004367B2

公开(公告)日：2015-04-14

申请号：US14081424

申请日：2013-11-15

Applicant: Electronics and Telecommunications Research Institute

Inventor： Sang Yeoun Lee ,  Joo Sang Park ,  Heyung Sub Lee ,  Chan Won Park

IPC: G06K19/00 ,  G06K19/07 ,  H04L9/08 ,  G06F21/35 ,  H04W12/04 ,  H04L9/32

CPC classification number: G06K19/0723 ,  G06F21/35 ,  H04L9/0891 ,  H04L9/32 ,  H04L2209/805 ,  H04W12/04

Abstract: In relation to a security function of a radio frequency identification (RFID) tag, an RFID tag and a method of updating a key of the RFID tag that may manage a key to be used for an access to a reader by storing the key in a memory having a duplex structure, thereby minimizing an update error occurring during a process of updating the key are provided.

Abstract translation: 关于射频识别（RFID）标签的安全功能，RFID标签和更新RFID标签的密钥的方法，RFID标签的密钥可以通过将密钥存储在一个密钥中来管理用于访问读取器的密钥 提供具有双工结构的存储器，从而最小化在更新密钥的过程期间发生的更新错误。