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    • 1. 发明申请
    • RFID READER SUPPORTING DENSE MODE
    • RFID读写器支持DENSE模式
    • WO2009025425A1
    • 2009-02-26
    • PCT/KR2008/000035
    • 2008-01-03
    • VICTEK CO., LTD.JO, Won SangKIM, Sang HunLEE, Kyung IlSONG, Ji HeonJUN, Chul MinCHUN, Young HeeLEE, Ki Ho
    • JO, Won SangKIM, Sang HunLEE, Kyung IlSONG, Ji HeonJUN, Chul MinCHUN, Young HeeLEE, Ki Ho
    • H04B5/02
    • H04B1/1027
    • Disclosed herein is a passive Radio Frequency Identification (RFID) reader supporting a dense mode. The RFID reader includes a modulator, a Radio Frequency (RF) transmitter, an RF receiver, a demodulator, a coupler, a scan receiver, and a microcontroller. The modulator encodes and modulates interrogation signals, and converts resulting signals into analog signals. The RF transmitter performs frequency up-conversion and power amplification on the analog signals, and radiates resulting signals. The RF receiver receives response signals from tags, and performs frequency down-conversion and then power amplification on the response signals. The demodulator converts the response signals into digital signals, and demodulates and decodes the digital signals. The coupler samples interrogation signals from other readers. The scan receiver scans the frequency channels of all sampled interrogation signals. The microcontroller receives the results of the scanning, detects a currently unoccupied frequency channel, and communicates with a tag using the detected frequency channel.
    • 本文公开了一种支持密集模式的无源射频识别(RFID)阅读器。 RFID读取器包括调制器,射频(RF)发射器,RF接收器,解调器,耦合器,扫描接收器和微控制器。 调制器对询问信号进行编码和调制,并将结果信号转换为模拟信号。 RF发射机对模拟信号进行上变频和功率放大,并辐射出结果信号。 RF接收机从标签接收响应信号,并对响应信号进行频率下变频,然后进行功率放大。 解调器将响应信号转换为数字信号,并对数字信号进行解调和解码。 耦合器对来自其他读取器的询问信号进行采样。 扫描接收机扫描所有采样询问信号的频道。 微控制器接收扫描结果,检测当前未被占用的频道,并使用检测到的频道与标签进行通信。
    • 2. 发明申请
    • BICYCLE RENTAL APPARATUS AND SYSTEM
    • 自行车出租装置和系统
    • WO2010071342A3
    • 2010-09-23
    • PCT/KR2009007495
    • 2009-12-15
    • VICTEK CO LTDOH GAP HWAN
    • OH GAP HWAN
    • G06K17/00G06Q30/00
    • G06Q30/00B62H2003/005G07F17/0057G07F17/10
    • The present invention relates to a bicycle rental apparatus and system, and more particularly, to a bicycle rental apparatus and system wherein the bicycle rental apparatus is mounted on a bicycle, thereby enabling unattended rental and return, ensuring flexibility in the installation location thereof, reducing construction costs, and maximizing operating efficiency. The bicycle rental apparatus of the present invention comprises: a local area communication unit mounted on a bicycle to wirelessly transmit and receive data to/from a gateway device; a locking unit for coupling to a bicycle locking device; an RFID reader unit which reads a bicycle rack tag, on which specific information on a bicycle rack is stored, and a user card, on which user information is stored; a key input unit for inputting user information; and a control unit which controls the local area communication unit to wirelessly transmit the user information to the gateway device when the user information is read by the RFID reader unit or when the user information is input via the key input unit, and controls the locking unit to uncouple the locking unit from the bicycle locking device when the local area communication unit receives a rental approval message from the gateway device.
    • 自行车出租装置和系统技术领域本发明涉及一种自行车出租装置和系统,更具体地说,涉及一种自行车出租装置和系统,其中自行车出租装置安装在自行车上,从而能够无人看管的出租和返回,确保其安装位置的灵活性,减少 建设成本,并最大限度地提高运营效率。 本发明的自行车出租装置包括:安装在自行车上的局域通信单元,用于向/从网关装置无线发送和接收数据; 用于联接到自行车锁定装置的锁定单元; RFID读取器单元,其读取存储有自行车架上的特定信息的自行车架标签和存储用户信息的用户卡; 键输入单元,用于输入用户信息; 以及控制单元,当RFID读取器单元读取用户信息时或当通过键输入单元输入用户信息时,控制单元控制局域通信单元无线发送用户信息到网关装置,并且控制锁定单元 当局域通信单元从网关设备接收到租赁许可消息时,将锁定单元与自行车锁定设备分离。
    • 3. 发明申请
    • RFID READER SUPPORTING DENSE MODE USING FFT ALGORITHM
    • RFID读写器支持使用FFT算法的DENSE模式
    • WO2009054568A1
    • 2009-04-30
    • PCT/KR2008/000042
    • 2008-01-04
    • VICTEK CO., LTD.JO, Won SangCHOI, Sun HoKIM, Gwan TaeJIN, In ChurCHOI, WonCHOI, Myeong RyeolSHIM, Seong Yong
    • JO, Won SangCHOI, Sun HoKIM, Gwan TaeJIN, In ChurCHOI, WonCHOI, Myeong RyeolSHIM, Seong Yong
    • H04B5/02
    • G06K7/0008
    • Disclosed herein is a passive Radio Frequency Identification (RFID) reader supporting a dense mode using a Fast Fourier Transform (FFT). The RFID reader includes a modulator, a Radio Frequency (RF) transmitter, an RF receiver, a demodulator, a coupler, an FFT receiver, and a microcontroller. The modulator encodes and modulates interrogation signals, and converts resulting signals into analog signals. The RF transmitter performs up- conversion and power amplification on the analog signals, and radiates resulting signals. The RF receiver receives response signals, and performs frequency down-conversion and power amplification on the response signals. The demodulator converts the response signals into digital signals, and demodulates and decodes the digital signals. The coupler samples interrogation signals. The FFT receiver scans the frequency channels of the interrogation signals using an FFT algorithm. The microcontroller receives the results of the scanning, detects a currently unoccupied frequency channel, and communicates with a tag using the frequency channel.
    • 本文公开了一种使用快速傅里叶变换(FFT)支持密集模式的无源射频识别(RFID)读取器。 RFID读取器包括调制器,射频(RF)发射器,RF接收器,解调器,耦合器,FFT接收器和微控制器。 调制器对询问信号进行编码和调制,并将结果信号转换为模拟信号。 RF发射机对模拟信号进行上变频和功率放大,并辐射出结果信号。 RF接收机接收响应信号,并对响应信号进行降频转换和功率放大。 解调器将响应信号转换为数字信号,并对数字信号进行解调和解码。 耦合器采样询问信号。 FFT接收机使用FFT算法扫描询问信号的频道。 微控制器接收扫描结果,检测当前未被占用的频道,并使用频道与标签进行通信。