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    • 41. 发明授权
    • Information communication system, information communication method, and recording medium having information communication program stored thereon
    • 信息通信系统,信息通信方法以及存储有信息通信程序的记录介质
    • US08655981B2
    • 2014-02-18
    • US12728612
    • 2010-03-22
    • Yuji Kiyohara
    • Yuji Kiyohara
    • G06F15/16G06F7/00
    • H04L41/0893H04L67/06H04L67/104H04L67/2842
    • An information communication system for exchanging a plurality of contents between a plurality of node devices, includes a plurality of internal networks connected to an external network. The internal networks include: the plurality of node devices connecting the same internal network; and a support device, which connects the internal networks, and which supports acquisition of contents by the node devices. An overlay network allows for exchanging of contents between the node devices and the support devices. The node devices include a first acquisition unit that acquires contents by selecting a first device group in preference to a second device group. The first device group includes: a support device and a node device connecting the internal network of an access destination that is a contents acquisition destination. The second device group includes a support device and a node device that do not connect the internal network of the access destination.
    • 一种用于在多个节点设备之间交换多个内容的信息通信系统,包括连接到外部网络的多个内部网络。 内部网络包括:连接同一内部网络的多个节点设备; 以及支持设备,其连接内部网络,并且支持节点设备获取内容。 覆盖网络允许在节点设备和支持设备之间交换内容。 节点设备包括第一获取单元,其通过优先选择第二设备组来选择第一设备组来获取内容。 第一设备组包括:支持设备和连接作为内容获取目的地的接入目的地的内部网络的节点设备。 第二设备组包括支持设备和不连接接入目的地的内部网络的节点设备。
    • 42. 发明申请
    • Terminal apparatus and recording medium on which program is recorded, as well as reconnection process method, in information distribution system
    • 记录程序的终端设备和记录介质,以及重新连接处理方法,在信息分发系统中
    • US20090198818A1
    • 2009-08-06
    • US12320634
    • 2009-01-30
    • Masahiro KameiYuji Kiyohara
    • Masahiro KameiYuji Kiyohara
    • G06F15/16
    • H04L41/0803
    • To provide a terminal apparatus and a program thereof, as well as a reconnection process method, in an information distribution system which enables a swifter completion of a reconnection process in the information distribution system. The terminal apparatus includes a connection condition detection module which detects that it has become necessary to reconnect to another terminal apparatus different from an apparatus connected upstream in a hierarchical structure, a connection process module which, on detecting that the reconnection has become necessary, starts a process of connecting to another terminal apparatus configuring the hierarchical structure, a connection request module which, on detecting that the reconnection has become necessary, requests of an apparatus connected downstream a process of connecting to another terminal apparatus configuring the hierarchical structure, and a reception control module which, on the connection process of the apparatus connected downstream finishing before the connection process using the connection process module finishes, receives information with the apparatus connected downstream as an upstream apparatus.
    • 提供终端装置及其程序,以及重新连接处理方法,在信息分发系统中,能够更新完成信息分发系统中的重新连接处理。 终端装置包括:连接状态检测模块,其检测到已经需要重新连接到与分层结构上游连接的装置不同的另一终端装置;连接处理模块,其在检测到重新连接变得必要时开始 连接到配置分层结构的其他终端装置的处理,连接请求模块,在检测到重新连接变得必要时,连接到配置分层结构的其他终端装置的处理的下游连接的装置的请求,以及接收控制 模块,其在使用连接处理模块的连接处理之前连接的下游完成装置的连接处理完成后,以与上游连接的装置作为上游装置接收信息。
    • 43. 发明申请
    • RADIO-FREQUENCY TAG COMMUNICATION DEVICE, RADIO-FREQUENCY TAG COMMUNICATION SYSTEM, AND RADIO-FREQUENCY TAG DETECTING SYSTEM
    • 无线电频率标签通信设备,无线电频率标签通信系统和无线电频率标签检测系统
    • US20070120650A1
    • 2007-05-31
    • US11558727
    • 2006-11-10
    • Takuya NagaiYuji Kiyohara
    • Takuya NagaiYuji Kiyohara
    • H04Q5/22
    • G06K7/10356G06K7/0008
    • A radio-frequency tag communication device permitting a radio-frequency tag communication system to have a sufficiently large area of communication, with a minimum required number of interrogators. The radio-frequency tag communication device includes a transmission control portion operable to control transmission of a transmitted signal, so as to prevent overlapping an area of communication of the radio-frequency tag communication device and an area of communication of another radio-frequency tag communication device, making it possible to maximize a spacing distance between the adjacent radio-frequency tag communication devices, and to effectively prevent concurrent receptions of the transmitted signals by the plurality of radio-frequency tags. Namely, the radio-frequency tag communication device permits the radio-frequency tag communication system to have a sufficiently large area of communication with a minimum required number of interrogators.
    • 射频标签通信装置允许射频标签通信系统具有足够大的通信面积,具有最少所需数量的询问器。 射频标签通信装置具有可控制发送信号的发送的发送控制部,以防止与射频标签通信装置的通信区域和其他射频标签通信的通信区域重叠 设备,使得可以使相邻射频标签通信设备之间的间隔距离最大化,并且有效地防止多个射频标签的发送信号的并发接收。 也就是说,射频标签通信装置允许射频标签通信系统具有与所需数量最少的询问器的足够大的通信面积。
    • 44. 发明申请
    • Radio tag communication apparatus
    • 无线电标签通信装置
    • US20070037529A1
    • 2007-02-15
    • US11584507
    • 2006-10-23
    • Takuya NagaiYuji Kiyohara
    • Takuya NagaiYuji Kiyohara
    • H04B1/02H04Q5/22
    • H04B7/04
    • A radio tag communication apparatus having a broad communicable range and a simple arrangement, is provided. Since there are provided a transmission antenna selection control portion for selecting a single transmission-reception antenna element to transmit a transmission signal, from a plurality of transmission-reception antenna elements, and a reception signal synthesizing portion for synthesizing respective reception signals received by the plurality of transmission-reception antenna elements, with each other, a communicable range of the radio tag communication apparatus can be broadened by transmitting the transmission signal from a diversity antenna having a simple arrangement, and a reception sensitivity of the radio tag communication apparatus can be enhanced by synthesizing the reception signals received by the plurality of transmission-reception antenna elements, with each other.
    • 提供具有广泛的通信范围和简单的布置的无线电标签通信装置。 由于设置有用于从多个发送接收天线元件中选择发送发送信号的单个发送接收天线元件的发送天线选择控制部和用于合成由多个发送接收天线元件接收到的各个接收信号的接收信号合成部 通过从具有简单布置的分集天线发送发送信号,能够使无线电标签通信装置的可通信范围彼此相对扩大,并且能够增强无线标签通信装置的接收灵敏度 通过合成由多个发送接收天线元件接收的接收信号。
    • 45. 发明申请
    • RFID-tag communication device
    • RFID标签通信设备
    • US20060267734A1
    • 2006-11-30
    • US11495693
    • 2006-07-31
    • Kazunari TakiYuji KiyoharaTakuya Nagai
    • Kazunari TakiYuji KiyoharaTakuya Nagai
    • H04Q5/22
    • G06K19/0723G06K7/0008G06K7/10039
    • An RFID-tag communication device including (a) an antenna from which a transmission signal is transmitted toward an RFID tag and through which a reply signal transmitted from the RFID tag in response to the transmission signal is received, for radio communication with the RFID tag, (b) a first-cancel-signal output portion operable to generate a digital first cancel signal for suppressing a leakagel signal from a received signal which is received through the antenna and which contains the leakage signal as well as the rely signal, the leakage signal being a part of the transmission signal which is transmitted from the antenna and which is returned to and received by the antenna, (c) a first-cancel-signal control portion operable to control an amplitude and/or a phase of the first cancel signal generated by the first-cancel-signal output portion, (d) a first-cancel-signal D/A converting portion operable to convert the first cancel signal generated by the first-cancel-signal output portion, into an analog signal, (e) a first signal combining portion operable to combine together the analog first cancel signal generated by the first-cancel-signal D/A converting portion, and the received signal, to obtain a first composite signal.
    • 一种RFID标签通信装置,包括:(a)从RFID标签向所述RFID标签发送发送信号的天线,并且响应于所述发送信号从所述RFID标签发送的应答信号通过所述天线与所述RFID标签进行无线通信 ,(b)第一取消信号输出部分,用于产生用于从接收到的通过天线接收并且包含泄漏信号以及依赖信号的接收信号产生用于抑制泄漏信号的数字第一抵消信号,泄漏 信号是从天线发送并被天线返回并被天线接收的发送信号的一部分,(c)第一抵消信号控制部分,其可操作以控制第一抵消的幅度和/或相位 信号,(d)第一取消信号D / A转换部分,用于将由第一取消信号输出端口产生的第一抵消信号 (e)成为模拟信号,(e)第一信号组合部分,其可操作以将由第一取消信号D / A转换部分产生的模拟第一抵消信号与接收信号组合在一起,以获得第一复合信号。
    • 46. 发明授权
    • Magnetic disk storage equipment
    • 磁盘存储设备
    • US4916562A
    • 1990-04-10
    • US324998
    • 1989-03-17
    • Takahiro MiwaYuji KiyoharaHiroshi NishikawaEiji Tanaka
    • Takahiro MiwaYuji KiyoharaHiroshi NishikawaEiji Tanaka
    • G11B5/55G11B27/10
    • G11B5/5569G11B27/105G11B5/5547
    • Magnetic disc storage equipment for recording and reproducing signals on a magnetic disc comprising a carriage for shifting a magnetic head in a radial direction of the magnetic disc upon which is recorded signals on a respective divided sector of a track, a shifting bolt which is screwed with the carriage, a stepping motor which is interlocked with the shifting bolt and rotates the shifting bolt by a destined number of steps corresponding to a respective track gap to adjust the magnetic head at each track through the carriage, detecting means to detect signals which are read by the magnetic head at a desired track position, and shifting means to shift the magnetic head to an appropriate position based on the signals which are detected by the detecting means.
    • 用于在磁盘上记录和再现信号的磁盘存储设备,包括用于使磁头在磁盘的径向上移动磁盘的托架,在磁盘的径向方向上记录信号在磁道的相应分割扇区上;旋转螺栓,其与 滑架,与移动螺栓联锁的步进马达,并使换档螺栓旋转相应于相应轨道间隙的目标步数,以通过滑架调节每个轨道处的磁头,检测装置检测读取的信号 通过磁头在期望的轨道位置,以及移位装置,用于基于由检测装置检测到的信号将磁头移动到适当的位置。