公开(公告)号：US5886847A

公开(公告)日：1999-03-23

申请号：US688822

申请日：1996-07-31

申请人： Bong Soon Lee ,  Sung Baek Park ,  Man Sik Park ,  Young Deuk Ko

发明人： Bong Soon Lee ,  Sung Baek Park ,  Man Sik Park ,  Young Deuk Ko

IPC分类号： G11B31/00 ,  H04N5/44 ,  H04N5/50 ,  H04N5/775 ,  H04N9/80

CPC分类号： G11B31/006 ,  H04N21/4135 ,  H04N21/42219 ,  H04N5/445 ,  H04N5/50 ,  H04N5/7755

摘要： An apparatus for automatically performing channel change of a television receiver using a video cassette recorder includes a playback command detector for detecting a playback command, a channel sensor for sensing a video viewable channel which is selected by a radio frequency changeover switch according to a user's selection, a memory for storing the video viewable channel sensed by the channel sensor, television receiver channel change data and television receiver codes corresponding to different types of the television receiver, a controller for reading one of the television receiver channel change data stored in the memory corresponding to the video viewable channel sensed by the channel sensor upon the detection of the playback command by the playback command detector, and a remote transmitter for remotely transmitting the television receiver channel change data from the controller to the television receiver to change a current channel of the television receiver to the video viewable channel sensed by the channel sensor in a playback mode of the video cassette recorder. According to the invention, the current channel of the television receiver can automatically be changed to the video viewable channel upon input of a playback key signal or insertion of a video tape into a deck of the video cassette recorder.

摘要翻译： 用于使用录像机自动执行电视接收机的频道改变的装置包括用于检测播放命令的播放命令检测器，用于感测根据用户选择的由射频切换开关选择的视频可见频道的频道传感器 ，用于存储由通道传感器感测的视频可视通道的存储器，对应于不同类型的电视接收机的电视接收机频道改变数据和电视接收机代码，用于读取存储在存储器中的电视接收机频道改变数据之一的控制器 在通过播放命令检测器检测到播放命令之后由信道传感器感测到的视频可见信道，以及用于远程发送电视接收机频道的远程发射机将数据从控制器改变到电视接收机，以改变目前的频道 电视接收机到视频观看 在视频盒式磁带录像机的重放模式下由通道传感器感测的通道。 根据本发明，当输入回放键信号或将录像带插入录像机的录像机时，电视接收机的当前频道可以自动地改变为视频可见频道。

公开(公告)号：US20120112884A1

公开(公告)日：2012-05-10

申请号：US13186824

申请日：2011-07-20

申请人： Ji Hoon BAE ,  Kwang Soo Cho ,  Dong Han Lee ,  Man Sik Park ,  Chan Won Park

发明人： Ji Hoon BAE ,  Kwang Soo Cho ,  Dong Han Lee ,  Man Sik Park ,  Chan Won Park

IPC分类号： G06K7/01

CPC分类号： G06K7/10039

摘要： The present invention relates to an apparatus and method for detecting the collision of Radio Frequency IDentification (RFID) tags. In the apparatus and method for detecting the collision of RFID tags, when a subcarrier signal from which a carrier signal has been removed by a reader ASK analog demodulation device is inputted to a baseband receiver, a peak signal for the received tag signal is generated, and useful information about the generated peak signal within a symbol section is extracted. In the case where a collision is generated because two or more tags send signals to an RFID reader at the same time when the RFID reader communicates with the tags, the RFID reader can effectively detect the collision between the tags.

摘要翻译： 本发明涉及用于检测射频识别（RFID）标签的冲突的装置和方法。 在用于检测RFID标签的冲突的装置和方法中，当将由读写器ASK模拟解调装置移除了载波信号的副载波信号输入到基带接收机时，产生接收到的标签信号的峰值信号， 并且提取关于符号部分内生成的峰值信号的有用信息。 在RFID读取器与标签通信的同时，由于两个或更多个标签向RFID读取器发送信号的情况下，RFID读取器可以有效地检测标签之间的冲突。

公开(公告)号：US20110096883A1

公开(公告)日：2011-04-28

申请号：US12832914

申请日：2010-07-08

申请人： Ji Hoon Bae ,  Dong Han Lee ,  Kwang Soo Cho ,  Won Kyu Choi ,  Man Sik Park ,  Chan Won Park ,  Cheng Hao Quan ,  Gil Young Choi ,  Jong Suk Chae

发明人： Ji Hoon Bae ,  Dong Han Lee ,  Kwang Soo Cho ,  Won Kyu Choi ,  Man Sik Park ,  Chan Won Park ,  Cheng Hao Quan ,  Gil Young Choi ,  Jong Suk Chae

IPC分类号： H04L7/02

CPC分类号： H04L7/042 ,  H04L7/10 ,  H04L27/2605 ,  H04L27/2662

摘要： Provided is a symbol synchronization apparatus and method of a passive REID reader. The symbol synchronization apparatus includes: an edge clock detector generating edge clocks by detecting phase inversion positions of a received signal; a preamble detector detecting a preamble section by analyzing the generation times of the edge clocks; a symbol decision time extractor extracting a symbol decision time by averaging distances between the edge clocks consecutively generated in the preamble section, when the preamble section is detected; and a symbol decider deciding a symbol by analyzing the magnitude of the received signal, when the time reaches the symbol decision time.

摘要翻译： 提供了一种被动REID读取器的符号同步装置和方法。 符号同步装置包括：边缘时钟检测器，通过检测接收信号的相位位置来产生边沿时钟; 前同步码检测器，通过分析边缘时钟的生成时间来检测前导码部分; 符号决定时间提取器，当检测到所述前导码部分时，通过平均在所述前导码部分中连续生成的边缘时钟之间的距离来提取符号判定时间; 以及当时间到达符号决定时间时，通过分析接收信号的大小来确定符号的符号判定器。

公开(公告)号：US08724761B2

公开(公告)日：2014-05-13

申请号：US12832914

申请日：2010-07-08

申请人： Ji Hoon Bae ,  Dong Han Lee ,  Kwang Soo Cho ,  Won Kyu Choi ,  Man Sik Park ,  Chan Won Park ,  Cheng Hao Quan ,  Gil Young Choi ,  Jong Suk Chae

发明人： Ji Hoon Bae ,  Dong Han Lee ,  Kwang Soo Cho ,  Won Kyu Choi ,  Man Sik Park ,  Chan Won Park ,  Cheng Hao Quan ,  Gil Young Choi ,  Jong Suk Chae

IPC分类号： H04L7/02

CPC分类号： H04L7/042 ,  H04L7/10 ,  H04L27/2605 ,  H04L27/2662

摘要： Provided is a symbol synchronization apparatus and method of a passive RFID reader. The symbol synchronization apparatus includes: an edge clock detector generating edge clocks by detecting phase inversion positions of a received signal; a preamble detector detecting a preamble section by analyzing the generation times of the edge clocks; a symbol decision time extractor extracting a symbol decision time by averaging distances between the edge clocks consecutively generated in the preamble section, when the preamble section is detected; and a symbol decider deciding a symbol by analyzing the magnitude of the received signal, when the time reaches the symbol decision time.

摘要翻译： 提供了一种无源RFID读取器的符号同步装置和方法。 符号同步装置包括：边缘时钟检测器，通过检测接收信号的相位位置产生边沿时钟; 前同步码检测器，通过分析边缘时钟的生成时间来检测前导码部分; 符号决定时间提取器，当检测到所述前导码部分时，通过平均在所述前导码部分中连续生成的边缘时钟之间的距离来提取符号判定时间; 以及当时间到达符号决定时间时，通过分析接收信号的大小来确定符号的符号判定器。

公开(公告)号：US20110148599A1

公开(公告)日：2011-06-23

申请号：US12913347

申请日：2010-10-27

申请人： Chan Won Park ,  Man Sik Park ,  Ji Hoon Bae ,  Dong Han Lee ,  Kwang Soo Cho ,  Won Kyu Choi ,  Cheng Hao Quan ,  Jeong Seok Kim ,  Gil Young Choi ,  Jong Suk Chae

发明人： Chan Won Park ,  Man Sik Park ,  Ji Hoon Bae ,  Dong Han Lee ,  Kwang Soo Cho ,  Won Kyu Choi ,  Cheng Hao Quan ,  Jeong Seok Kim ,  Gil Young Choi ,  Jong Suk Chae

IPC分类号： H04Q5/22

CPC分类号： G06K7/10029 ,  G06K7/10039

摘要： The RFID reader of an RFID system includes a processor for processing a command for the RFID tag and a response from the RFID tag, a modem for modulating the command from the processor or demodulating the response from the RFID, and an RF unit for transmitting the modulated command transferred from the modem to the RFID tag or receiving the response from the RFID tag and transferring the response to the modem. The RFID tag of the RFID system includes a power supply unit for generating energy using a radio wave received from the RFID reader, a receiver for demodulating a signal received from the RFID reader, a data processor for performing operation according to the signal demodulated by the receiver, and a transmitter for backscattering a signal from the data processor.

摘要翻译： RFID系统的RFID读取器包括用于处理用于RFID标签的命令和来自RFID标签的响应的处理器，用于调制来自处理器的命令的调制解调器或解调来自RFID的响应的调制解调器，以及RF单元，用于发送 调制命令从调制解调器传送到RFID标签或从RFID标签接收响应并将响应传送到调制解调器。 RFID系统的RFID标签包括用于使用从RFID读取器接收的无线电波产生能量的电源单元，用于解调从RFID读取器接收的信号的接收器，用于根据由所述RFID读取器解调的信号执行操作的数据处理器 接收器和用于从数据处理器反向散射信号的发射器。

公开(公告)号：US20110074555A1

公开(公告)日：2011-03-31

申请号：US12859799

申请日：2010-08-20

申请人： Chan-Won Park ,  Man Sik Park ,  Ji-Hoon Bae ,  Donghan Lee ,  Kwang-Soo Cho ,  Won Kyu Choi ,  Cheng-Hao Quan ,  Jeong seok Kim ,  Gil Young Choi ,  Jong-Suk Chae

发明人： Chan-Won Park ,  Man Sik Park ,  Ji-Hoon Bae ,  Donghan Lee ,  Kwang-Soo Cho ,  Won Kyu Choi ,  Cheng-Hao Quan ,  Jeong seok Kim ,  Gil Young Choi ,  Jong-Suk Chae

IPC分类号： H04Q5/22

CPC分类号： G06K7/0008 ,  G06K7/10297

摘要： Provided are a mobile Radio Frequency Identification (RFID) device and a data communication method thereof. In the method, a mobile communication terminal unit provides a command to an mRFID reader unit and receives a response to the command from the mRFID reader unit. It is checked whether there is an error in a protocol message of the command or the response, and the command to the mRFID reader unit according to a check result is re-transmitted.

摘要翻译： 提供了一种移动射频识别（RFID）设备及其数据通信方法。 在该方法中，移动通信终端单元向mRFID读取器单元提供命令，并且从mRFID读取器单元接收对该命令的响应。 检查命令或响应的协议消息中是否存在错误，并且重新发送根据检查结果对mRFID读取器单元的命令。

公开(公告)号：US08717147B2

公开(公告)日：2014-05-06

申请号：US12886689

申请日：2010-09-21

申请人： Ji Hoon Bae ,  Cheng Hao Quan ,  Dong Han Lee ,  Chan Won Park ,  Won Kyu Choi ,  Kwang Soo Cho ,  Man Sik Park ,  Gil Young Choi ,  Jong Suk Chae

发明人： Ji Hoon Bae ,  Cheng Hao Quan ,  Dong Han Lee ,  Chan Won Park ,  Won Kyu Choi ,  Kwang Soo Cho ,  Man Sik Park ,  Gil Young Choi ,  Jong Suk Chae

IPC分类号： H04Q5/22

CPC分类号： G06K7/0008 ,  G06K7/10069

摘要： Disclosed are a passive RFID (Radio Frequency Identification) system and method capable of recognizing a great deal of tags at a high speed. A reader of a passive RFID system, including: a processor dividing slots and subchannels to configure a round, recognizing subchannels that are not involved in a collision and interference by the slots, and changing the subchannels that are not involved in a collision and interference, into a sleep state; a transmission unit encoding a command generated through the processor, performing an amplitude jitter modulation on the encoded command, and transmitting the modulated command; and a reception unit acquiring and demodulating tag signals received through a plurality of subchannels by the slots, and providing the demodulated tag signals to the processor.

摘要翻译： 公开了能够高速识别大量标签的无源RFID（射频识别）系统和方法。 一种无源RFID系统的阅读器，包括：处理器分割时隙和子信道以配置轮回，识别未被时隙的冲突和干扰的子信道，以及改变不涉及冲突和干扰的子信道， 进入睡眠状态; 编码通过所述处理器生成的命令的传输单元，对所述编码命令执行振幅抖动调制，以及发送所述调制命令; 以及接收单元，通过所述时隙获取并解调通过多个子信道接收的标签信号，并将解调的标签信号提供给处理器。

公开(公告)号：US08666323B2

公开(公告)日：2014-03-04

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： H04B17/00

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。

公开(公告)号：US20110148585A1

公开(公告)日：2011-06-23

申请号：US12886689

申请日：2010-09-21

申请人： Ji Hoon Bae ,  Cheng Hao Quan ,  Dong Han Lee ,  Chan Won Park ,  Won Kyu Choi ,  Kwang Soo Cho ,  Man Sik Park ,  Gil Young Choi ,  Jong Suk Chae

发明人： Ji Hoon Bae ,  Cheng Hao Quan ,  Dong Han Lee ,  Chan Won Park ,  Won Kyu Choi ,  Kwang Soo Cho ,  Man Sik Park ,  Gil Young Choi ,  Jong Suk Chae

IPC分类号： G06K7/01

CPC分类号： G06K7/0008 ,  G06K7/10069

摘要： Disclosed are a passive RFID (Radio Frequency Identification) system and method capable of recognizing a great deal of tags at a high speed. A reader of a passive RFID system, including: a processor dividing slots and subchannels to configure a round, recognizing subchannels that are not involved in a collision and interference by the slots, and changing the subchannels that are not involved in a collision and interference, into a sleep state; a transmission unit encoding a command generated through the processor, performing an amplitude jitter modulation on the encoded command, and transmitting the modulated command; and a reception unit acquiring and demodulating tag signals received through a plurality of subchannels by the slots, and providing the demodulated tag signals to the processor.

摘要翻译： 公开了能够高速识别大量标签的无源RFID（射频识别）系统和方法。 一种无源RFID系统的阅读器，包括：处理器分割时隙和子信道以配置轮回，识别未被时隙的冲突和干扰的子信道，以及改变不涉及冲突和干扰的子信道， 进入睡眠状态; 编码通过所述处理器生成的命令的传输单元，对所述编码命令执行振幅抖动调制，以及发送所述调制命令; 以及接收单元，通过所述时隙获取并解调通过多个子信道接收的标签信号，并将解调的标签信号提供给处理器。

公开(公告)号：US5887113A

公开(公告)日：1999-03-23

申请号：US741097

申请日：1996-10-30

申请人： Man Sik Park ,  Yong Jae Kim

发明人： Man Sik Park ,  Yong Jae Kim

IPC分类号： G11B15/467 ,  G11B15/02 ,  G11B15/05 ,  G11B15/18 ,  H04N5/91

CPC分类号： G11B15/1875 ,  G11B15/4676 ,  G11B15/026

摘要： An apparatus and a method of controlling tracking in slow mode playback. The tracking control apparatus comprises a video head for detecting a video signal recorded on a magnetic tape, a video signal processing circuit for detecting envelopes of the detected video signal from the video head, a microcomputer for outputting servo data and a slow tracking signal in response to the detected envelopes from the video signal processing circuit, a servo device for outputting a capstan phase control signal in response to the servo data from the microcomputer, and a capstan motor for driving a capstan in response to a signal into which the capstan phase control signal from the servo device and the slow tracking signal from the microcomputer are combined.

摘要翻译： 一种在慢速播放中控制跟踪的装置和方法。 跟踪控制装置包括用于检测记录在磁带上的视频信号的视频头，用于检测来自视频头的检测视频信号的包络的视频信号处理电路，用于输出伺服数据的微计算机和响应中的慢跟踪信号 对来自视频信号处理电路的检测到的信封，用于响应于来自微型计算机的伺服数据输出主导轴相位控制信号的伺服装置，以及主导轴马达，用于响应于主导轴相位控制的信号驱动绞盘 组合来自伺服装置的信号和来自微型计算机的慢跟踪信号。