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    • 31. 发明申请
    • APPARATUS FOR READING RFID TAG INFORMATION AND RFID TAG INFORMATION READING SYSTEM
    • 读取RFID标签信息和RFID标签信息读取系统的装置
    • US20100090807A1
    • 2010-04-15
    • US12635865
    • 2009-12-11
    • Yoshiyuki TSUJIMOTOTakuya Nagai
    • Yoshiyuki TSUJIMOTOTakuya Nagai
    • H04Q5/22
    • G06K7/0008G06K7/10039
    • This disclosure discloses an apparatus for reading a radio frequency identification (RFID) tag information configured to perform information transmission and reception with a plurality of RFID tag circuit elements having an IC circuit part storing information and a tag antenna connected to said IC circuit part, comprising: a first movement detecting portion configured to detect a moving state of said apparatus for reading RFID tag information; a transmitting portion configured to generate a reading command to acquire the information stored in said IC circuit part and to transmit the command to said RFID tag circuit element; and a first reading control portion configured to control the number of reading trial times per unit time using said reading command by said transmitting portion according to a detection result of said first movement detecting portion.
    • 本公开公开了一种用于读取被配置为利用具有存储信息的IC电路部分和连接到所述IC电路部分的标签天线的多个RFID标签电路元件执行信息发送和接收的射频识别(RFID)标签信息的装置,包括: 第一移动检测部,被配置为检测用于读取RFID标签信息的所述设备的移动状态; 发送部,被配置为产生读取命令以获取存储在所述IC电路部分中的信息,并将该命令发送到所述RFID标签电路元件; 以及第一读取控制部,其被配置为根据所述第一移动检测部的检测结果,利用所述发送部的所述读取命令来控制每单位时间的读取试用次数。
    • 32. 发明申请
    • Mobile station position locating system
    • 移动台位置定位系统
    • US20090291694A1
    • 2009-11-26
    • US12387249
    • 2009-04-30
    • Yoshiki YanoTakuya Nagai
    • Yoshiki YanoTakuya Nagai
    • H04W4/02
    • G01S5/14G01S5/0294H04W64/00
    • A radio wave transmitted from a mobile station 10 is received in each base station 12, and, based on the received power measured by a received power measuring portion 38 of the base station, a distance ratio calculating portion 54 of a position locating server 14 calculates the difference in the received power between the paired base stations. Based on the difference in the received power, the distance ratio is calculated between the distance from one base station to the mobile station and the distance from the other base station to the mobile station. A locus creating portion 56 of the position locating server 14 creates a locus which is a sequence of points showing positions where the calculated distance ratio is realized. The position calculating portion 58 calculates an intersection of the loci for a plurality of base station pairs, thereby calculating a candidate for the mobile station.
    • 在各基站12中接收从移动站10发送的无线电波,并且基于由基站的接收功率测量部分38测量的接收功率,位置定位服务器14的距离比计算部分54计算 配对基站之间接收功率的差异。 基于接收功率的差异,在从一个基站到移动台的距离与从另一个基站到移动台的距离之间计算距离比。 位置定位服务器14的轨迹创建部分56创建一个轨迹,该轨迹是显示计算出的距离比实现的位置的一系列点。 位置计算部58计算多个基站对的轨迹的交点,由此计算移动台的候选。
    • 34. 发明申请
    • RADIO-FREQUENCY RECEIVER DEVICE, RADIO-FREQUENCY COMMUNICATION DEVICE, AND INTERROGATOR
    • 无线电频率接收设备,无线电频率通信设备和中央处理器
    • US20070111692A1
    • 2007-05-17
    • US11611742
    • 2006-12-15
    • Katsuyuki KuramotoTakuya Nagai
    • Katsuyuki KuramotoTakuya Nagai
    • H04B1/06H04B7/00
    • H04B7/0814
    • A radio-frequency receiver device including a plurality of receiver antenna elements for receiving information from a desired communication object, the radio-frequency receiver device including an antenna switching portion configured to select at least one of the plurality of receiver antenna elements which receives a set of information transmitted from the desired communication object, a received-information memory portion configured to store sets of information received by the plurality of receiver antenna elements sequentially selected by the antenna switching portion, and a received-information combining portion configured to read out the sets of information from the received-information memory portion, and to combine together the read out sets of information read out from the received-information memory portion.
    • 一种射频接收装置,包括:多个用于从期望的通信对象接收信息的接收机天线元件,所述射频接收机装置包括:天线切换部,被配置为选择所述多个接收机天线元件中的至少一个, 从由所希望的通信对象发送的信息的接收信息存储部,被配置为存储由天线切换部顺序选择的多个接收天线元接收到的信息集合的接收信息存储部;以及接收信息合成部, 来自接收信息存储部分的信息,并且将从接收信息存储器部分读出的读出的信息组合在一起。
    • 35. 发明申请
    • POSITION DETECTING SYSTEM, RESPONDER AND INTERROGATOR, WIRELESS COMMUNICATION SYSTEM, POSITION DETECTING METHOD, POSITION DETECTING PROGRAM, AND INFORMATION RECORDING MEDIUM
    • 位置检测系统,响应器和INTERROGATOR,无线通信系统,位置检测方法,位置检测程序和信息记录介质
    • US20070018792A1
    • 2007-01-25
    • US11532649
    • 2006-09-18
    • Kazunari TakiTsuyoshi OhashiTakuya Nagai
    • Kazunari TakiTsuyoshi OhashiTakuya Nagai
    • H04Q5/22
    • G01S13/878G01S13/0209G01S13/751H04B1/7163
    • There is provided a radio communication system capable of distinguishing objects from one another while taking advantage of the low power consumption and distance measurement ability of the radio communication of the UWB method. A radio tag TGn includes: a characteristic impedance unit (3) for generating a response signal by using a pulse signal received from a broad-band antenna (1); a transmission path (2) having a predetermined length, transmitting the pulse signal received by the broad-band antenna (1) from the broad-band antenna (1) to the characteristic impedance unit (3), and transmitting the generated response signal from the characteristic impedance unit (3) to the broad-band antenna (1); and the broad-band antenna (1) for receiving the pulse signal and transmitting the response signal. The aforementioned pulse wave is transmitted to the radio tag TGn by the UWB method. The response signal from the radio tag TGn is received and the radio tag TGn is identified from the reception waveform.
    • 提供了一种能够利用UWB方法的无线电通信的低功耗和距离测量能力来区分对象的无线电通信系统。 无线电标签TGn包括:特征阻抗单元(3),用于通过使用从宽带天线(1)接收的脉冲信号产生响应信号; 具有预定长度的传输路径(2),将宽带天线(1)接收的脉冲信号从宽带天线(1)传输到特征阻抗单元(3),并将产生的响应信号从 特征阻抗单元(3)到宽带天线(1); 和宽带天线(1),用于接收脉冲信号并发送响应信号。 通过UWB方法将上述脉波发送到无线标签TGn。 收到来自无线标签TGn的响应信号,根据接收波形识别无线标签TGn。
    • 36. 发明授权
    • Coordinate reading device
    • 坐标读取装置
    • US06784876B1
    • 2004-08-31
    • US09628724
    • 2000-07-28
    • Takuya NagaiTsuyoshi Ohashi
    • Takuya NagaiTsuyoshi Ohashi
    • G09G500
    • G06F3/046
    • Y coil Y1 is mounted on the attachment panel 24 so that its long sides Y1f and Y1g follow the front surface 24n, and is bent at a first edge 24a1 onto an edge surface 24a, and is further bent at a second edge 24a onto a rear surface 24b. Even if the pen moves to near an edge portion of the writing surface, the signal generated by long sides Y1f, Y1g will have a little influence from a signal generated from the short side Y1d. When the X coordinate calculated in S1306 is judged to be a coordinate in the X axis edge (S1308:YES), then an X axis edge flag is set in S1310 and a correction coefficient K that corresponds to the distance of the pen from the edge of the Y coil is extracted in S1312 by referring to a correction table. When the Y coils are scanned in S1314, if the X axis edge flag is judged to be set (S1316:YES), then in S1318, all of the values detected for the Y coils in S1314 are multiplied by the correction coefficient K. In S1320, the Y coordinate is calculated based on the corrected detected values. With this configuration, the error caused by influence from the short sides of the Y coils can be corrected so that the Y coordinate can be accurately obtained.
    • Y线圈Y1被安装在安装面板24上,使得其长边Y1f和Y1g跟随前表面24n,并且在第一边缘24a1处弯曲到边缘表面24a上,并且在第二边缘24a进一步弯曲到后部 表面24b。 即使笔移动到写入表面的边缘附近,由长边Y1f,Y1g产生的信号也将从短边Y1d产生的信号产生一点影响。 当在S1306中计算的X坐标被判定为X轴边缘的坐标时(S1308:是),则在S1310中设定X轴边缘标志,并且对应于笔从边缘的距离的校正系数K 通过参照校正表在S1312中提取Y线圈。 当在S1314中扫描Y线圈时,如果判断X轴边缘标志被设置(S1316:是),则在S1318中,将S1314中的Y个线圈检测的所有值乘以校正系数K. S1320,基于校正的检测值计算Y坐标。 利用这种结构,可以校正由Y线圈的短边的影响引起的误差,从而可以准确地获得Y坐标。
    • 37. 发明授权
    • Coordinate reading device
    • 坐标读取装置
    • US06639585B1
    • 2003-10-28
    • US09634322
    • 2000-08-07
    • Takuya NagaiTsuyoshi OhashiKazunari Taki
    • Takuya NagaiTsuyoshi OhashiKazunari Taki
    • G09G500
    • G06F3/046
    • When there exist two X coils that generate voltages of the same values during the X coil-scan operation (yes in S314), the CPU 56 discards the position coordinate table 58a that is already stored in the work area, and reloads a new position coordinate table 58a from the ROM 58, and then stores the position coordinate table 58a in association with the pen attribute data that is detected in S310. Then, the CPU 58 calculates a ratio r between the detected value d and the reference value g in S318, and multiplies, with the ratio r, each voltage difference value DIFF in the reloaded position coordinate table 58a in S320. As a result, the position coordinate table 58a is corrected in correspondence with the lowering of the output level of the alternating magnetic field of the pen 60. The CPU then calculates the X coordinate based on the corrected position coordinate table 58a.
    • 当在X线圈扫描操作期间存在产生具有相同值的电压的两个X线圈时(S314中为“是”),CPU56丢弃已经存储在工作区域中的位置坐标表58a,并重新加载新的位置坐标 从ROM58中读出表58a,然后与S310中检测到的笔属性数据相关联地存储位置坐标表58a。 然后,CPU38在S318中计算检测值d与基准值g之间的比率r,并且与比率r乘以S320中的重新加载位置坐标表58a中的每个电压差值DIFF。 结果,对应于笔60的交变磁场的输出电平的降低来校正位置坐标表58a。然后,CPU基于校正位置坐标表58a计算X坐标。
    • 39. 发明授权
    • Semiconductor laser device
    • 半导体激光器件
    • US08385377B2
    • 2013-02-26
    • US13198443
    • 2011-08-04
    • Kazuhiro SoejimaTakuya NagaiToru Yoshida
    • Kazuhiro SoejimaTakuya NagaiToru Yoshida
    • H01S3/10G02B26/02
    • H01S5/02212H01S3/0078H01S3/025H01S3/0621H01S3/0627H01S3/09415H01S3/109H01S3/1312H01S5/02296H01S5/0287
    • A semiconductor laser device includes a semiconductor laser element configured to emit a fundamental wave; a transducer configured to receive the fundamental wave incident thereon and convert a wavelength of the fundamental wave to emit wavelength converted light; a filter configured to selectively transmit wavelength range light having a desired wavelength range of the wavelength converted light; a sealing member including a light-transmitting member and configured to enclose the semiconductor laser element, the light-transmitting member being configured to receive the wavelength range light transmitted through the filter and incident on the light-transmitting member, specularly reflect part of the wavelength range light, and substantially transmit the remaining part of the wavelength range light; and a photoreceptor configured to receive the specularly reflected light from the light-transmitting member.
    • 半导体激光器件包括:发射基波的半导体激光器元件; 被配置为接收入射到其上的基波并转换基波的波长以发射波长转换的光的换能器; 滤波器,被配置为选择性地发射具有所述波长转换的光的所需波长范围的波长范围的光; 密封构件,包括透光构件并且被构造成包围半导体激光元件,所述透光构件被配置为接收透射过滤器并入射在透光构件上的波长范围光,镜面反射部分波长 并且基本上透射波长范围光的剩余部分; 以及被配置为接收来自所述光透射部件的镜面反射光的感光体。
    • 40. 发明授权
    • Signal processing unit
    • 信号处理单元
    • US08244176B2
    • 2012-08-14
    • US12380963
    • 2009-03-05
    • Yasuhisa IchikawaTakuya NagaiHironori HirataTsuyoshi Ohashi
    • Yasuhisa IchikawaTakuya NagaiHironori HirataTsuyoshi Ohashi
    • H04B7/24
    • H04B5/0062
    • Since signal transmittance adjustment devices that can suppress transmittance of a receiving signal to a DSP as a receiving processing device from an antenna for reception and a signal transmittance control device configured to control the signal transmittance adjustment devices so that the transmittance of the receiving signal to the DSP from the antenna for reception is suppressed at least when a transmission signal including a modulation signal is transmitted from an antenna for transmission are provided, occurrence of a trouble in which a head portion of a reply signal is crushed by a wrap around signal from a transmission side can be suitably prevented, and particularly, favorable communication can be realized at start of a response from a RFID tag. That is, an apparatus for communicating with a RFID tag that can suitably suppress an influence of a transient response can be provided.
    • 由于可以从接收天线抑制作为接收处理装置的DSP的接收信号的透射率的信号透射率调节装置和被配置为控制信号透射率调节装置的信号透射率调节装置,使得接收信号的透射率 至少在从用于发送的天线发送包括调制信号的发送信号的情况下,抑制来自用于接收的天线的DSP,发生一个故障,其中应答信号的头部被来自 可以适当地防止发送侧,并且特别地,可以在从RFID标签的响应开始时实现良好的通信。 也就是说,可以提供一种能够适当地抑制瞬态响应的影响的与RFID标签通信的装置。