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    • 4. 发明申请
    • APPARATUS AND METHOD FOR TRANSMITTING AND RECEIVING RF SIGNAL USING BEAMFORMING
    • 使用波束发射和接收RF信号的装置和方法
    • US20160371515A1
    • 2016-12-22
    • US14966528
    • 2015-12-11
    • Electronics and Telecommunications Research Institute
    • Jae-Young JUNGChan-Won PARKWon-Kyu CHOI
    • G06K7/10
    • G06K7/10089
    • Disclosed herein are an apparatus and method for transmitting and receiving an RFID signal using beamforming. The apparatus for transmitting and receiving a Radio Frequency Identification (RFID) signal using beamforming according to an embodiment includes a reception unit for receiving power and RFID data signals from an RFID reader, a control unit for adjusting opening/closing periods of switches corresponding to respective paths through which the RF data signals pass, thus controlling the paths, and a transmission unit for converting phases of RF data signals, which are distributed and transmitted to the paths, in response to the opening/closing periods of the switches, and then transmitting beams corresponding to the RF data signals while converting a pattern of the beams.
    • 本文公开了一种使用波束形成来发送和接收RFID信号的装置和方法。 根据实施例的使用波束形成发送和接收射频识别(RFID)信号的装置包括:用于从RFID读取器接收功率和RFID数据信号的接收单元,用于调节对应于各自的开关的开关周期的控制单元 RF数据信号通过的路径,从而控制路径;以及发送单元,用于转换分配并发送到路径的RF数据信号的相位,响应于开关的打开/关闭周期,然后发送 对应于RF数据信号的光束,同时转换光束的图案。
    • 5. 发明授权
    • Wireless tag communication device and wireless tag communication program
    • 无线标签通信设备和无线标签通信程序
    • US09268980B2
    • 2016-02-23
    • US14449331
    • 2014-08-01
    • TOSHIBA TEC KABUSHIKI KAISHA
    • Sunao TsuchidaKouichi SanoJun Yaginuma
    • H04Q5/22G06K7/10
    • G06K7/10217G06K7/10089
    • According to one embodiment, a wireless tag communication device which communicates with a wireless tag includes a communication unit that designates a target wireless tag to read tag information stored in the wireless tag; a read-state determination unit that determines a read state of the tag information read by the communication unit; an output adjustment unit that varies a radio wave output to be transmitted to the wireless tag in response to the result of the determination by the read-state determination unit; a signal strength detection unit that detects the signal strength of a reply signal received from the wireless tag via the communication unit; and a control unit that switches the operation mode of the communication unit between a long-distance mode to communicate with the wireless tag while the output adjustment unit varies the radio wave output and a near-field mode to communicate with the wireless tag while the signal strength detection unit detects the signal strength.
    • 根据一个实施例,与无线标签通信的无线标签通信设备包括指定目标无线标签以读取存储在无线标签中的标签信息的通信单元; 读取状态确定单元,确定由通信单元读取的标签信息的读取状态; 输出调整单元,其响应于所述读取状态确定单元的确定结果,改变要发送到所述无线标签的无线电波输出; 信号强度检测单元,其经由所述通信单元检测从所述无线标签接收到的应答信号的信号强度; 以及控制单元,其在所述输出调整单元改变所述无线电波输出的远距离模式和与所述无线标签通信的远距离模式之间切换所述通信单元的操作模式,并且在所述信号 强度检测单元检测信号强度。
    • 7. 发明授权
    • Portable encoded information reading terminal configured to acquire images
    • 被配置为获取图像的便携式编码信息读取终端
    • US08881982B2
    • 2014-11-11
    • US13451744
    • 2012-04-20
    • Philip ZumstegTom PlocherSriharsha Putrevu
    • Philip ZumstegTom PlocherSriharsha Putrevu
    • G06K7/00G06K7/10G06K7/06
    • G06Q10/087G06K7/089G06K7/10089G06K7/10712G06T3/40G06T3/403G06T5/001
    • An encoded information reading (EIR) terminal can comprise a microprocessor, a memory, an EIR device including a two-dimensional imaging device, a motion sensing device, and a communication interface. The EIR terminal can be configured, responsive to detecting a pre-defined pattern in a first plurality of values received from the motion sensing device, to store in the memory a point of origin equal to a first spatial position of the EIR terminal. The EIR terminal can be further configured, responsive to detecting a user interface command, to determine, based on a second plurality of values received from the motion sensing device, a second spatial position of the EIR terminal relative to the point of origin, and to acquire an image of the object. The EIR terminal can be further configured to determine the image scale factor based on at least the second spatial position.
    • 编码信息读取(EIR)终端可以包括微处理器,存储器,包括二维成像设备的EIR设备,运动感测设备和通信接口。 EIR终端可以被配置为响应于以从运动感测装置接收的第一多个值中检测到预定义的模式,在存储器中存储等于EIR终端的第一空间位置的原点。 响应于检测到用户界面命令,EIR终端可以被进一步配置,以基于从运动感测装置接收的第二多个值来确定EIR终端相对于原点的第二空间位置,并且 获取对象的图像。 EIR终端还可以被配置为至少基于第二空间位置确定图像比例因子。
    • 8. 发明申请
    • RFID READING TERMINAL WITH DIRECTIONAL ANTENNA
    • RFID读取终端与方向天线
    • US20130221098A1
    • 2013-08-29
    • US13403191
    • 2012-02-23
    • Ynjiun Paul WangHuyu Qu
    • Ynjiun Paul WangHuyu Qu
    • H04Q5/22G06K7/10
    • G06K7/10346G06K7/10089H01Q1/2216H01Q15/0086
    • A radio frequency identifier (RFID) reading terminal can comprise a microprocessor, a memory, and an RFID reading device including a directional antenna. The RFID reading device can be configured to output raw message data containing an encoded message and/or output decoded message data corresponding to an encoded message. The RFID reading terminal can further comprise an aiming light source configured to emit aiming light, and at least one aiming lens configured to direct the aiming light onto a target to produce a visible aiming pattern at least partially contained within a projection onto the target of a coverage shape of the RF signal emitted by the directional antenna.
    • 射频标识符(RFID)读取终端可以包括微处理器,存储器和包括定向天线的RFID读取装置。 RFID读取装置可以被配置为输出包含编码消息的原始消息数据和/或输出对应于编码消息的解码消息数据。 RFID读取终端还可以包括被配置为发射瞄准光的瞄准光源,以及配置成将瞄准光引导到目标上的至少一个对准透镜,以产生至少部分地包含在投射到目标上的投影物的可见瞄准图案 由定向天线发射的RF信号的覆盖形状。