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    • 84. 发明授权
    • Wireless communication device and wireless communication method
    • 无线通信设备和无线通信方式
    • US07738481B2
    • 2010-06-15
    • US11671280
    • 2007-02-05
    • Kei IgarashiAkira YamadaAtsushi FujiwaraTakatoshi Sugiyama
    • Kei IgarashiAkira YamadaAtsushi FujiwaraTakatoshi Sugiyama
    • H04L12/413
    • H04W72/1221H04L1/1887H04L65/80H04W28/18H04W74/085
    • A wireless communication device that performs packet transmission in accordance with a packet transmission system that performs wireless bandwidth allocation by virtual carrier sensing has a time-point management section that manages the time-point and outputs current time-point information, and a parameter management section that manages a parameter relating to packet transmission right acquisition priority. The parameter management section includes: a parameter holding section that holds, in association with a time-point, a parameter relating to packet transmission right acquisition priority that changes with a different distribution between wireless communication devices located in the same wireless LAN area, in a prescribed period; and a parameter alteration section that reads, from the parameter holding section, the parameter associated with current time-point information and dynamically alters a current parameter relating to packet transmission right acquisition priority in accordance with the parameter thus read.
    • 根据通过虚拟载波侦听执行无线带宽分配的分组传输系统执行分组传输的无线通信装置具有管理时间点并输出当前时间点信息的时间点管理部分,以及参数管理部分 管理与分组传输权获取优先级相关的参数。 参数管理部分包括:参数保持部分,其在时间点中保持与位于同一无线LAN区域中的无线通信设备之间以不同分布发生变化的分组发送权获取优先级相关的参数, 规定期限 以及参数修改部,其从参数保持部读取与当前时间点信息相关联的参数,并且根据所读取的参数动态地改变与分组发送权获取优先级有关的当前参数。
    • 86. 发明授权
    • Vapor-lift pump heat transport apparatus
    • 蒸汽提升泵热输送装置
    • US07721793B2
    • 2010-05-25
    • US11562500
    • 2006-11-22
    • Shigetoshi IppoushiNobuaki UeharaAkira YamadaTetsuro OgushiHisaaki Yamakage
    • Shigetoshi IppoushiNobuaki UeharaAkira YamadaTetsuro OgushiHisaaki Yamakage
    • F28D15/00F28F13/06
    • F28D15/0266F24T10/10F24T10/30F28D20/0052F28F2250/08Y02E10/12Y02E10/16Y02E60/142
    • A vapor-lift pump heat transport apparatus having a small heat resistance and a large heat transport capacity. A heat exchange circulating solution container has a first space and a second space communicating with the first space through a communication opening and contains a heat exchange circulating solution, and vapor thereof, in each space. A circulating solution transport passage includes a pipe connected to the solution outlet of the container and provided with a sensible heat releasing heat exchanger, a pipe disposed in the container, and a pipe connected to a vapor-liquid two-phase fluid inlet and provided with a heating heat exchanger. A vapor-liquid two-phase fluid flows into only the first space through the vapor-liquid two-phase fluid inlet. When the entrance of the vapor-liquid two-phase fluid has caused a pressure difference between the first and second spaces, a difference occurs between the positions of the vapor-liquid interfaces in the first and second spaces.
    • 一种具有小的耐热性和大的传热能力的蒸汽提升泵热输送装置。 热交换循环溶液容器具有通过连通口与第一空间连通的第一空间和第二空间,并且在每个空间中包含热交换循环溶液及其蒸汽。 循环溶液输送通道包括连接到容器的溶液出口并配有显热放热换热器的管,设置在容器中的管和连接到气液二相流体入口的管,并配有 一个加热热交换器。 气液两相流体仅通过气液两相流体入口流入第一空间。 当气液两相流体的入口已经引起第一和第二空间之间的压力差时,在第一和第二空间中的气液界面的位置之间出现差异。
    • 88. 发明申请
    • ACCESS POINT, WIRELESS COMMUNICATION STATION, WIRELESS COMMUNICATION SYSTEM AND WIRELESS COMMUNICATION METHOD
    • 接入点,无线通信站,无线通信系统和无线通信方法
    • US20100054214A1
    • 2010-03-04
    • US12549662
    • 2009-08-28
    • Kei IGARASHIAkira Yamada
    • Kei IGARASHIAkira Yamada
    • H04W72/04H04J3/00H04L12/413
    • H04W74/085H04W52/0216H04W76/27H04W88/08Y02D70/142
    • An access point for establishing wireless connection with one or more wireless communication stations which can perform intermittent reception operation, based on a packet transmission system which allocates wireless bands by CSMA/CA, has: unit for describing, in a same packet or in respective packets, buffering information on a downlink packet addressed to a subordinate wireless communication station currently in an intermittent reception state, and transmission prohibition period information indicating a period where transmission from the subordinate wireless communication station is prohibited; unit for transmitting the instruction described packet, in which the description has been made, to the subordinate wireless communication station; unit for making a state of the access point transit to a Doze state immediately after the instruction described packet is transmitted, or when a predetermined number of downlink packets are transmitted; and unit for making a state of the access point transit to an Awake state when the transmission prohibition period elapses from the time of transmission of the packet in which the prohibition period information is described.
    • 基于由CSMA / CA分配无线频带的分组传输系统,用于与可以执行间歇接收操作的一个或多个无线通信站建立无线连接的接入点具有:用于在相同分组或相应分组中描述的单元 对当前处于间歇接收状态的下位无线通信站发送的下行链路分组的缓存信息以及表示从下级无线通信站发送的周期的发送禁止期间信息进行禁止的信息; 单元,用于将已经进行了描述的描述分组的指令发送到下级无线通信站; 在发送指示所述分组之后立即将接入点的状态转移到打盹状态的单元,或者当发送预定数量的下行链路分组时, 以及当从描述禁止期间信息的分组的发送时间过去了传输禁止期间时,使接入点的状态转变为唤醒状态的单元。
    • 89. 发明申请
    • WIRELESS COMMUNICATION METHOD, ACCESS POINT, WIRELESS COMMUNICATION STATION AND WIRELESS COMMUNICATION SYSTEM
    • 无线通信方法,接入点,无线通信站和无线通信系统
    • US20100054168A1
    • 2010-03-04
    • US12549927
    • 2009-08-28
    • Kei IGARASHIAkira Yamada
    • Kei IGARASHIAkira Yamada
    • H04H20/71
    • H04W72/005H04W72/1278H04W74/0816H04W76/28
    • When a wireless communication station, which is about to communicate while intermittently receiving a multicast service, transmits, to an access point, a request packet describing information on the multicast service and an intermittent reception request, the access point describes, in a packet, intermittent reception timing information corresponding to the multicast service information described in this request packet, and replies with this packet to the wireless communication station. The wireless communication station reads the intermittent reception timing information from the received packet, and performs transition to the Awake state or the Doze state according to this intermittent reception timing. The access point, on the other hand, transmits the multicast packet to the wireless communication station according to the intermittent reception timing.
    • 当间歇地接收多播服务时要通信的无线通信站向接入点发送描述关于多播服务的信息的请求分组和间歇接收请求时,接入点在分组中描述间歇性 与该请求分组中描述的多播服务信息相对应的接收定时信息,并且向该无线通信台回复该分组。 无线通信站从接收到的分组中读取间歇接收定时信息,根据该间歇接收定时,进行到唤醒状态或打盹状态的切换。 另一方面,接入点根据间歇接收定时将组播分组发送到无线通信台。