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1. 发明申请

US20070236332A1 METHOD FOR READING TAG IN MOBILE RFID ENVIRONMENT 审中-公开
标题翻译：在移动RFID环境中读取标签的方法
公开(公告)号：US20070236332A1
公开(公告)日：2007-10-11
申请号：US11689609
申请日：2007-03-22
申请人： ChengHao QUAN , Hae-Won SON , Hee-Sook MO , Ji-Hoon BAE , Dong-Han LEE , Gil-Young CHOI , Cheol-Sig PYO , Jong-Suk CHAE
发明人： ChengHao QUAN , Hae-Won SON , Hee-Sook MO , Ji-Hoon BAE , Dong-Han LEE , Gil-Young CHOI , Cheol-Sig PYO , Jong-Suk CHAE
IPC分类号： H04Q5/22
CPC分类号： G01D21/00
摘要： Provided is a method for reading a tag in a mobile Radio Frequency Identification (RFID) environment. The tag reading method effectively identifies a tag by repeatedly transmitting a tag identification request in a predetermined time to prevent collision among RFID readers, when a plurality of RFID readers access to a tag. The method for reading a tag in a mobile RFID environment, which includes the steps of: a) transmitting a tag identification request signal to a tag; b) waiting for an acknowledgement signal to be transmitted from the tag; and c) when no acknowledgement signal is transmitted from the tag, retransmitting the tag identification request signal after a predetermined delay time passes.
摘要翻译：提供了一种在移动射频识别（RFID）环境中读取标签的方法。标签读取方法在多个RFID阅读器访问标签时，通过在预定时间内重复发送标签识别请求来有效地识别标签，以防止RFID读取器之间的冲突。一种用于在移动RFID环境中读取标签的方法，包括以下步骤：a）向标签发送标签识别请求信号; b）等待从标签发送确认信号; 以及c）当没有从所述标签发送确认信号时，经过预定延迟时间之后重传所述标签识别请求信号。

2. 发明申请

US20080136600A1 APPARATUS FOR STORING SENSING DATA IN TAG AND METHOD THEREOF 失效
标题翻译：用于存储标签中的感测数据的装置及其方法
公开(公告)号：US20080136600A1
公开(公告)日：2008-06-12
申请号：US11931547
申请日：2007-10-31
申请人： Junho YEO , Josef Preishuber-Pfluegl , Alex JANEK , Andreas SCHUHAI , Hae-Won SON , Jae-Young JUNG , Hee-Sook MO , Ji-Hoon BAE , Gil-Young CHOI , Cheol-Sig PYO , Jong-Suk CHAE
发明人： Junho YEO , Josef Preishuber-Pfluegl , Alex JANEK , Andreas SCHUHAI , Hae-Won SON , Jae-Young JUNG , Hee-Sook MO , Ji-Hoon BAE , Gil-Young CHOI , Cheol-Sig PYO , Jong-Suk CHAE
IPC分类号： H04Q5/22
CPC分类号： G06K19/073 , G06K19/0701 , G06K19/0717 , G06K19/0723
摘要： An apparatus for storing sensing data in a tag and a method thereof are provided. According to the present invention, data measured by the sensor is stored in volatile memory and important data from among the data stored in the volatile memory is stored in non-volatile memory according to a pre-set data loss prevention mechanism so that a battery and the tag including the battery have a longer life and stability of data can be secured.
摘要翻译：提供一种用于将感测数据存储在标签中的装置及其方法。根据本发明，由传感器测量的数据存储在易失性存储器中，并且根据预设的数据丢失防止机制将存储在易失性存储器中的数据中的重要数据存储在非易失性存储器中，使得电池和包括电池的标签具有更长的寿命并且可以确保数据的稳定性。

3. 发明申请

US20080136596A1 PASSIVE TAG INCLUDING VOLATILE MEMORY 失效
标题翻译：被动标签，包括挥发性内存
公开(公告)号：US20080136596A1
公开(公告)日：2008-06-12
申请号：US11931222
申请日：2007-10-31
申请人： Junho YEO , Josef Preishuber-Pfluegl , Alex JANEK , Andreas SCHUHA , Hae-Won SON , Jae-Young JUNG , Hee-Sook MO , Ji-Hoon BAE , Gil-Young CHOI , Cheol-Sig PYO , Jong-Suk CHAE
发明人： Junho YEO , Josef Preishuber-Pfluegl , Alex JANEK , Andreas SCHUHA , Hae-Won SON , Jae-Young JUNG , Hee-Sook MO , Ji-Hoon BAE , Gil-Young CHOI , Cheol-Sig PYO , Jong-Suk CHAE
IPC分类号： H04Q5/22 , G08B13/14
CPC分类号： G06K19/0723 , G06K19/0705 , G06K19/0717
摘要： A passive tag including a volatile memory is provided. The passive tag includes: a sensing unit which senses or measures information about environmental surroundings of the tag; a volatile memory; a non-volatile memory; and a control unit which firstly stores resultant data sensed or measured by the sensing unit in the volatile memory and then moves the data stored in the volatile memory to the non-volatile memory according to pre-set conditions. Therefore, the life of the tag is prolonged and stability of important data can be secured.
摘要翻译：提供了包括易失性存储器的无源标签。无源标签包括：感测单元，其感测或测量关于标签的环境环境的信息; 易失记录; 非易失性存储器; 以及控制单元，其首先将由感测单元感测或测量的结果数据存储在易失性存储器中，然后根据预设条件将存储在易失性存储器中的数据移动到非易失性存储器。因此，标签的寿命延长，可以确保重要数据的稳定性。

4. 发明申请

US20080122581A1 PASSIVE RFID READER AND OPERATION CONTROL METHOD THEREFOR 失效
标题翻译：被动RFID阅读器及其操作控制方法
公开(公告)号：US20080122581A1
公开(公告)日：2008-05-29
申请号：US11746306
申请日：2007-05-09
申请人： Ji-Hoon BAE , Hee-Sook MO , Dong-Han LEE , Cheng-Hao QUAN , Chan-Won PARK , Gil-Young CHOI , Cheol-Sig PYO , Jong-Suk CHAE
发明人： Ji-Hoon BAE , Hee-Sook MO , Dong-Han LEE , Cheng-Hao QUAN , Chan-Won PARK , Gil-Young CHOI , Cheol-Sig PYO , Jong-Suk CHAE
IPC分类号： H04Q5/22
CPC分类号： G06K7/0008 , G06K7/10356 , H04W74/08
摘要： Provided is a Radio Frequency Identification (RFID) reader that can minimize collision among RFID readers in an environment where there are a plurality of RFID readers within a limited operating environment by making each RFID reader select a channel at different delay time based on a random value, and a method for controlling operation of the RFID reader. The RFID reader includes a random value generating unit; a reader control unit for adaptively deciding a counter value for generating the random value; an anti-collision unit for preventing collision among a plurality of tags; a reader transmitting unit for generating a reader command message determined by the anti-collision unit, encoding the reader command message, and modulating the reader command message; a reader receiving unit for demodulating and decoding a tag signal; and a channel operation control unit for selecting a channel to be used for the communication with the tag.
摘要翻译：提供了一种射频识别（RFID）读取器，其可以在有限操作环境中存在多个RFID读取器的环境中最小化RFID读取器之间的冲突，使得每个RFID读取器基于随机值在不同的延迟时间选择信道以及用于控制RFID读取器的操作的方法。 RFID读取器包括随机值生成单元; 读取器控制单元，用于自适应地确定用于生成随机值的计数器值; 用于防止多个标签之间的碰撞的防碰撞单元; 读取器发送单元，用于生成由反冲突单元确定的读取器命令消息，对读取器命令消息进行编码，以及调制读取器命令消息; 读取器接收单元，用于解调和解码标签信号; 以及频道操作控制单元，用于选择要用于与标签进行通信的频道。

5. 发明申请

US20100026460A1 APPARATUS AND METHOD FOR TRANSMIT LEAKAGE SIGNAL SUPPRESSION IN RFID READER 失效
标题翻译： RFID读写器中发射信号抑制的装置和方法
公开(公告)号：US20100026460A1
公开(公告)日：2010-02-04
申请号：US12328385
申请日：2008-12-04
申请人： Donghan LEE , Ji-Hoon BAE , Cheng-Hao QUAN , Kwang-Soo CHO , Gil Young CHOI , Jong-Suk CHAE , Sang-Gi KANG
发明人： Donghan LEE , Ji-Hoon BAE , Cheng-Hao QUAN , Kwang-Soo CHO , Gil Young CHOI , Jong-Suk CHAE , Sang-Gi KANG
IPC分类号： H04Q5/22 , H03M1/66
CPC分类号： G06K7/0008 , G06K7/10198 , H04B5/005 , H04B5/0062 , H04B17/354 , H04L27/34
摘要： A method and apparatus for suppressing a transmit leakage signal of a radio frequency identification (RFID) reader is provided. The apparatus includes: a first power distributor distributing a transmission signal to output a first transmission signal and a second transmission signal; a second power distributor distributing the second transmission signal to output a third transmission signal and a fourth transmission signal; a first amplitude/phase converter converting an amplitude and a phase of the first transmission signal to generate a first converted signal; a second amplitude/phase converter converting an amplitude and a phase of the third transmission signal to generate a second converted signal; a first power combiner combining the first converted signal with a first leakage signal generated in association with the fourth transmission signal; and a second power combiner combining the second converted signal with a second leakage signal generated in association with the fourth transmission signal.
摘要翻译：提供一种用于抑制射频识别（RFID）读取器的发送泄漏信号的方法和装置。该装置包括：分配传输信号以输出第一传输信号和第二传输信号的第一功率分配器; 分配第二传输信号以输出第三传输信号和第四传输信号的第二功率分配器; 转换第一传输信号的幅度和相位以产生第一转换信号的第一幅度/相位转换器; 转换第三发送信号的幅度和相位的第二幅度/相位转换器，以产生第二转换信号; 第一功率组合器，其将所述第一转换信号与与所述第四发送信号相关联地生成的第一泄漏信号组合; 以及第二功率组合器，其将所述第二转换信号与与所述第四发送信号相关联地生成的第二泄漏信号组合。

6. 发明申请

US20110136445A1 RFID READER AND METHOD FOR SUPPRESSING TRANSMISSION LEAKAGE SIGNAL THEREOF 失效
标题翻译：用于抑制传输泄漏信号的RFID读取器和方法
公开(公告)号：US20110136445A1
公开(公告)日：2011-06-09
申请号：US12786777
申请日：2010-05-25
申请人： Donghan LEE , Sang Gee KANG , Kwang-Soo CHO , Man Sik PARK , Chan-Won PARK , Cheng-Hao QUAN , Ji-Hoon BAE , Gil Young CHOI , Jong-Suk CHAE
发明人： Donghan LEE , Sang Gee KANG , Kwang-Soo CHO , Man Sik PARK , Chan-Won PARK , Cheng-Hao QUAN , Ji-Hoon BAE , Gil Young CHOI , Jong-Suk CHAE
IPC分类号： H04B1/40
CPC分类号： H04B1/525 , G06K7/0008 , G06K7/10346
摘要： Provided are an RFID reader and a method for suppressing transmission leakage signals thereof. The RFID reader includes a first loop, a second loop, and a digital signal processor. The first loop suppresses a first transmission leakage signal of an RX signal in response to a first leakage control signal. The second loop suppresses a second transmission leakage signal of the RX signal, received through the first loop, in response to a second leakage control signal. The digital signal processor generates the first leakage control signal and the second leakage control signal. The digital signal processor generates the first leakage control signal until the level of the first transmission leakage signal becomes equal to or lower than the level of a first reference transmission leakage signal.
摘要翻译：提供RFID读取器和用于抑制其传输泄漏信号的方法。 RFID读取器包括第一环路，第二环路和数字信号处理器。第一回路响应于第一泄漏控制信号来抑制RX信号的第一传输泄漏信号。响应于第二泄漏控制信号，第二回路抑制通过第一回路接收的RX信号的第二传输泄漏信号。数字信号处理器产生第一泄漏控制信号和第二泄漏控制信号。数字信号处理器产生第一泄漏控制信号，直到第一传输泄漏信号的电平变得等于或低于第一参考传输泄漏信号的电平。

7. 发明申请

US20110064165A1 DEMODULATION APPARATUS AND METHOD FOR RFID READER IN PASSIVE RFID ENVIRONMENT 审中-公开
标题翻译： RFID读写器在无源RFID环境中的解调装置和方法
公开(公告)号：US20110064165A1
公开(公告)日：2011-03-17
申请号：US12625699
申请日：2009-11-25
申请人： Ji-Hoon BAE , Donghan LEE , Kwang-Soo CHO , Man Sik PARK , Chan-Won PARK , Cheng-Hao QUAN , Won Kyu CHOI , Gil Young CHOI , Jong-Suk CHAE
发明人： Ji-Hoon BAE , Donghan LEE , Kwang-Soo CHO , Man Sik PARK , Chan-Won PARK , Cheng-Hao QUAN , Won Kyu CHOI , Gil Young CHOI , Jong-Suk CHAE
IPC分类号： H04L27/22 , H04L25/06 , H04L27/00 , H04Q5/22
CPC分类号： H04L27/06 , H04L25/061 , H04L27/22
摘要： A demodulation apparatus for a Radio Frequency Identification (RFID) reader includes: a direct current (DC) offset cancellation unit for cancelling DC-offset noise contained in a PSK-modulated or ASK-modulated subcarrier tag signal from the tag signal when the tag signal is received; and a subcarrier digital demodulator for eliminating a subcarrier from the tag signal from which DC-offset noise has been cancelled to demodulate the DC-offset noise-cancelled tag signal.
摘要翻译：一种用于射频识别（RFID）读取器的解调装置包括：直流（DC）偏移消除单元，用于当标签信号（DC）偏移消除单元用于消除包含在来自标签信号的PSK调制或ASK调制的子载波标签信号中的DC偏移噪声被收到以及子载波数字解调器，用于从已经消除了DC偏移噪声的标签信号中消除副载波，以解调DC偏移噪声消除标签信号。

8. 发明申请

US20100039227A1 APPARATUS AND METHOD FOR DEMODULATING SUBCARRIER TAG SIGNAL IN RFID READER 有权
标题翻译： RFID读写器中用于解码子标签信号的装置和方法
公开(公告)号：US20100039227A1
公开(公告)日：2010-02-18
申请号：US12348529
申请日：2009-01-05
申请人： Ji-Hoon BAE , Donghan LEE , Won Kyu CHOI , Cheng-Hao QUAN , Gil Young CHOI , Jong-Suk CHAE
发明人： Ji-Hoon BAE , Donghan LEE , Won Kyu CHOI , Cheng-Hao QUAN , Gil Young CHOI , Jong-Suk CHAE
IPC分类号： H04Q5/22
CPC分类号： H04L27/06 , H04L27/22 , H04Q2213/13095
摘要： An apparatus and a method for demodulating a subcarrier tag signal in a radio frequency identification (RFID) reader is provided. The apparatus for demodulating the subcarrier tag signal in the RFID reader may include: an edge signal generation unit receiving a subcarrier tag signal and generating an edge signal with respect to the tag signal; an edge information extraction unit extracting edge information from the generated edge signal; and a decoding unit decoding the tag signal using the extracted edge information.
摘要翻译：提供了一种用于解调射频识别（RFID）读取器中的子载波标签信号的装置和方法。用于解调RFID读取器中的子载波标签信号的装置可以包括：边缘信号生成单元，接收副载波标签信号并相对于标签信号产生边缘信号; 边缘信息提取单元，从生成的边缘信号中提取边缘信息; 以及解码单元，使用所提取的边缘信息对标签信号进行解码。

9. 发明申请

US20100026582A1 NEAR-FIELD RADIO FREQUENCY IDENTIFICATION READER ANTENNA 审中-公开
标题翻译：近场无线电频率识别阅读器天线
公开(公告)号：US20100026582A1
公开(公告)日：2010-02-04
申请号：US12272373
申请日：2008-11-17
申请人： Won Kyu CHOI , Jeongseok KIM , Ji-Hoon BAE , Gil Young CHOI , Jong-Suk CHAE
发明人： Won Kyu CHOI , Jeongseok KIM , Ji-Hoon BAE , Gil Young CHOI , Jong-Suk CHAE
IPC分类号： H01Q1/38
CPC分类号： H01Q1/2216 , H01Q13/22 , H01Q21/0081 , H01Q21/068
摘要： A near-field radio frequency identification (RFID) reader antenna includes: a plurality of pairs of slots being formed on a ground surface of a single dielectric layer to emit a field; and a micro-strip line being formed on another surface of the single dielectric layer and having an open end to feed the plurality of pairs of slots.
摘要翻译：近场射频识别（RFID）读取器天线包括：多个槽对，形成在单个电介质层的地表面上以发射场; 并且微带线形成在单个电介质层的另一个表面上并且具有开放端以馈送多对槽。

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