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    • 3. 发明专利
    • Method and device for time synchronization in ad hoc network
    • 用于时间同步在AD HOC网络中的方法和设备
    • JP2012209739A
    • 2012-10-25
    • JP2011073467
    • 2011-03-29
    • Fujitsu Ltd富士通株式会社
    • NOMURA YAYOIOKAMASU TAKAYUKIKUROKI TAKAHIROINAO YUICHIYAMADA KENJIKOGA SHUNSUKE
    • H04W56/00H04W84/18
    • H04W56/0015H04W56/002H04W84/18
    • PROBLEM TO BE SOLVED: To provide a method and device for time synchronization with a node belonging to an existing network by a new node in an early stage in an ad hoc network configured with plural nodes.SOLUTION: When a new node starts up in an ad hoc network configured with plural nodes, the new node receives a time synchronization request frame (S106), transmits to one node of the plural nodes having a function to transmit a time synchronization response frame a time synchronization request frame including one address of the node (S108), receives a time synchronization response frame including time synchronization information from the one node of the plural nodes having received the time synchronization request frame (S118), and then performs time synchronization with the one node of the plural nodes using the time synchronization information included in the time synchronization response frame.
    • 要解决的问题:提供一种用于在配置有多个节点的自组织网络中的早期阶段中由新节点属于现有网络的节点进行时间同步的方法和装置。 解决方案:当新节点在配置有多个节点的自组织网络中启动时,新节点接收时间同步请求帧(S106),发送到具有发送时间同步功能的多个节点的一个节点 响应帧包括节点的一个地址的时间同步请求帧(S108),从接收到时间同步请求帧的多个节点的一个节点接收包括时间同步信息的时间同步响应帧(S118),然后执行时间 使用包括在时间同步响应帧中的时间同步信息与多个节点中的一个节点同步。 版权所有(C)2013,JPO&INPIT
    • 4. 发明专利
    • Mobile body identification managing system, card reader, and mobile body identification managing method
    • 移动身体识别管理系统,读卡器和移动身体识别管理方法
    • JP2008107918A
    • 2008-05-08
    • JP2006287923
    • 2006-10-23
    • Fujitsu Ltd富士通株式会社
    • OKAMASU TAKAYUKIINAO YUICHIYAMADA KENJI
    • G06K17/00
    • G06Q10/08
    • PROBLEM TO BE SOLVED: To reduce manpower for configuring a mobile body identification managing system, to reduce risks of distribution failure and registration failure, and to reduce possibility of theft and loss while usage is convenient. SOLUTION: A mobile type IC card reader 10 of the mobile body identification managing system 1 reads a card ID from an IC card 20 when the IC card 20 in which the card ID is recorded so as to be readable is inserted, and transmits the card ID to an RFID readers 31a to 31c. Then the RFID readers 31a to 31c detects and receives the card ID transmitted from the mobile type IC card reader 10. Then the RFID readers 31a to 31c notify received card IDs and each reader identification number for identifying each of the RFID readers 31a to 31c uniquely to a management server 40. Then the management server 40 specifies a position of a user using the card ID and the reader identification number which are notified by the RFID readers 31a to 31c. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:减少配置移动体识别管理系统的人力,降低分配失败和注册失败的风险,并减少使用方便时的盗窃和丢失的可能性。 解决方案:移动体识别管理系统1的移动式IC卡读取器10插入卡ID为可读取的IC卡20时,从IC卡20读取卡ID, 将卡ID传送到RFID读取器31a至31c。 然后,RFID读取器31a〜31c检测并接收从移动式IC卡读取器10发送的卡ID。然后,RFID读取器31a〜31c将接收到的卡ID和每个读取器识别号通知给RFID读取器31a〜31c中的每一个唯一地 然后管理服务器40使用由RFID读取器31a至31c通知的卡ID和读取器识别号来指定用户的位置。 版权所有(C)2008,JPO&INPIT
    • 5. 发明专利
    • Node device, communication method, communication program and network system
    • 节点设备,通信方法,通信程序和网络系统
    • JP2014183348A
    • 2014-09-29
    • JP2013054875
    • 2013-03-18
    • Fujitsu Ltd富士通株式会社
    • IYASAKA KOJUYAMATSU KATSUHIKOHIGASHIHARA YUJIHAYASHI MASAHIROINAO YUICHI
    • H04W40/34H04L12/70H04W24/08H04W84/18
    • H04L43/0847H04L43/0811H04L43/0817
    • PROBLEM TO BE SOLVED: To enable accurate monitoring of a communication path state in a network.SOLUTION: A node device includes a selector unit, a transmitter unit, a decision unit and a generator unit. The selector unit selects a transmission destination of a survey frame for use for the survey of a route state from a data transmission source node device to a data transmission destination node device, from frame transfer destination node devices destined to the destination node device. The transmitter unit transmits a first survey frame to a first node device selected to be the transmission destination of the first survey frame. The decision unit decides whether the transmission of the first survey frame is successful. If the transmission of the first survey frame fails, the generator unit generates a second survey frame in which a communication failure with the first node device is recorded. The transmitter unit transmits the second survey frame to a second node device selected to be the transmission destination of the second survey frame.
    • 要解决的问题:为了能够准确地监视网络中的通信路径状态。解决方案:节点设备包括选择器单元,发送器单元,判定单元和发电机单元。 选择器单元从目的地到目的地节点设备的帧传送目的地节点设备中选择用于从数据发送源节点设备到数据发送目的地节点设备的路由状态的调查使用的调查帧的发送目的地。 发射机单元将第一测量帧发送到被选择为第一测量帧的发送目的地的第一节点设备。 决定单元决定第一测量帧的发送是否成功。 如果第一测量帧的传输失败,则发生器单元生成第二测量帧,其中记录与第一节点设备的通信故障。 发射机单元将第二测量帧发送到被选择为第二测量帧的发送目的地的第二节点设备。
    • 6. 发明专利
    • Communication method and communication apparatus
    • 通信方法和通信设备
    • JP2012209741A
    • 2012-10-25
    • JP2011073471
    • 2011-03-29
    • Fujitsu Ltd富士通株式会社
    • NOMURA YAYOIYAMATSU KATSUHIKOYAMADA KENJIINAO YUICHIKOGA SHUNSUKE
    • H04L12/56H04W40/26H04W84/18
    • H04L45/745H04L45/02H04W40/246H04W84/18
    • PROBLEM TO BE SOLVED: To reduce possibility of failure in transmitting a frame.SOLUTION: A communication apparatus comprises a reception part, a route information table, a registration part, an acquisition part, and a transmission part. The reception part receives a route information frame which notifies route information of a network, and a first frame which is not the route information frame. The route information table records the route information included in the route information frame. The registration part associates a transmission source address with an address of a transfer source apparatus which transfers the first frame to the reception part to register them in a registration table, when the transmission source address of the first frame is not included in the route information table. The acquisition part acquires the address of a transfer source apparatus which is registered in association with an address of a destination device from the registration table when transmitting a second frame where a destination device which is not registered in the route information table is determined as a destination. The transmission part transmits the second frame to the address acquired by the acquisition part.
    • 要解决的问题:减少发送帧失败的可能性。 解决方案:通信设备包括接收部分,路由信息表,注册部分,获取部分和传输部分。 接收部分接收通知网络的路由信息​​的路由信息​​帧和不是路由信息帧的第一帧。 路由信息表记录路径信息帧中包含的路由信息​​。 当第一帧的发送源地址不包括在路由信息表中时,注册部分将发送源地址与传送第一帧的接收部分的地址相关联以将它们登记在登记表中 。 当发送没有登记在路径信息表中的目的地设备被确定为目的地的第二帧时,获取部分从登记表中获取与目的地设备的地址相关联地登记的传送源设备的地址 。 发送部将第二帧发送到由获取部获取的地址。 版权所有(C)2013,JPO&INPIT
    • 7. 发明专利
    • Communication system, transmitter, and receiver
    • 通信系统,发射机和接收机
    • JP2009141507A
    • 2009-06-25
    • JP2007313808
    • 2007-12-04
    • Fujitsu Ltd富士通株式会社
    • OKAMASU TAKAYUKIYAMADA KENJIINAO YUICHI
    • H04W84/12H04L29/08H04W16/26
    • PROBLEM TO BE SOLVED: To provide a communication system improved in data transfer efficiency. SOLUTION: The communication system comprises a transmitter and a plurality of receivers. The transmitter comprises a multiplex data creating portion and a data transmitting portion. The multiplex data creating portion combines a plurality of communication data addressed to different receivers to create one multiplex data and includes designation information into the multiplex data, wherein the designation information specifies the reply timing of response data by changing it at each address. The data transmitting portion transmits the multiplex data created by the multiplex data creating portion to the receivers. Each of the receivers comprises a data receiving portion for receiving the multiplex data, a data checking portion for checking communication data addressed to the own receiver out of multiplex data received by the data receiving portion, and a response replying portion which transmits response data to the transmitter at reply timing according to the designation information included in the multiplex data, when communication data addressed to the own receiver are verified. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种提高数据传输效率的通信系统。 解决方案:通信系统包括发射机和多个接收机。 发射机包括复用数据创建部分和数据传输部分。 复用数据创建部分组合多个寻址到不同接收机的通信数据以产生一个多路复用数据,并将指定信息包括在多路复用数据中,其中指定信息通过在每个地址处改变来指定响应数据的应答定时。 数据发送部分将由多路复用数据创建部分创建的复用数据发送给接收机。 每个接收机包括用于接收多路复用数据的数据接收部分,用于从数据接收部分接收的复用数据中检查寻址到自身接收机的通信数据的数据检查部分,以及响应响应部分,其将响应数据发送到 当检测到寻址到自身接收机的通信数据时,根据包含在多路复用数据中的指定信息,在应答定时发送。 版权所有(C)2009,JPO&INPIT
    • 8. 发明专利
    • Substitute person authentication system using ic card
    • 使用IC卡的替代人员认证系统
    • JP2005065035A
    • 2005-03-10
    • JP2003294511
    • 2003-08-18
    • Fujitsu Ltd富士通株式会社
    • NAKANO TADASHINISHI HIDETAKAINADA KAZUHIKOIYASAKA KOJUSUMI KAZUAKISHIMOKAWA TETSUJIINAO YUICHI
    • G06Q10/00G06F21/62G06K17/00G06Q50/00G06Q50/26H04L9/32G06F17/60
    • PROBLEM TO BE SOLVED: To provide a substitute person authentication system issuing a certificate without giving an IC card and the identification number of a client to a trustee representative. SOLUTION: The substitute person authentication system is connected to a personal computer of the client by the Internet through a substitute person when the client entrusts the issue of a document to an issue organization of document data. In the system, the issue organization of the document is provided with a management server, a data server preserving document data on the client, and a certificate issue device. The management server has a memory for generating a random number when it receives request data from the client, transmits the generated random number to the client, and temporarily preserves a registered content of request data and the random number. The substitute person is authenticated by the card given to the substitute person by comparison with the random number preserved in the memory. When substitute person authentication is normal, document data corresponding to request data are outputted from the certificate issue device. COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:提供一种发放证书的替代人员认证系统,而不向受托人代表发放IC卡和客户的身份证号码。 解决方案:当客户委托文件发放给文件数据的问题组织时,替代人员认证系统通过互联网通过互联网连接到客户的个人计算机。 在系统中,文档的问题组织提供有管理服务器,保存客户端上的文档数据的数据服务器和证书颁发装置。 管理服务器具有当从客户端接收请求数据时产生随机数的存储器,将生成的随机数发送给客户端,并且暂时保留请求数据和随机数的注册内容。 替代人员通过与存储器中保存的随机数进行比较,通过给替代人员的卡进行认证。 当代理人认证正常时,从证书颁发装置输出与请求数据对应的文件数据。 版权所有(C)2005,JPO&NCIPI