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    • 1. 发明授权
    • Gas sensor having protector and protection cap
    • 气体传感器具有保护和保护盖
    • US06606900B2
    • 2003-08-19
    • US09745804
    • 2000-12-26
    • Masaaki MuraseNobuo KawaiHiroshi Miyata
    • Masaaki MuraseNobuo KawaiHiroshi Miyata
    • G01N700
    • G01N27/4077
    • A gas sensor including an element 4 for measuring the concentration of a gas to be detected which is contained in a gas under measurement; a protector 2 provided to cover a tip end of the element 4 in the axial direction; and a protection cap 1 removably attached to the gas sensor. The protection cap 1 includes a tubular portion 106 which surrounds a side surface 202 of the protector 2, support portions 102 which project from an inner surface 161 of the tubular portion 106 and reach the side surface 202 of the protector 2 without axially partitioning the space between the inner surface 161 of the tubular portion 106 and the side surface 202 of the protector 2, and an air-outlet hole 103 for establishing communication between the interior and exterior of the protection cap 1.
    • 一种气体传感器,包括用于测量被测气体中包含的待检测气体的浓度的元件4; 设置成在轴向上覆盖元件4的前端的保护器2; 以及可移除地附接到气体传感器的保护帽1。 保护盖1包括围绕保护器2的侧表面202的管状部分106,支撑部分102从管状部分106的内表面161伸出并到达保护器2的侧表面202,而不轴向地划分空间 在管状部分106的内表面161和保护器2的侧表面202之间,以及用于建立保护帽1的内部和外部之间的连通的出气孔103。
    • 3. 发明授权
    • Network system using IPv4/IPv6 translator
    • 网络系统使用IPv4 / IPv6转换器
    • US07539773B2
    • 2009-05-26
    • US10988493
    • 2004-11-16
    • Yukiyo AkisadaHiroshi Miyata
    • Yukiyo AkisadaHiroshi Miyata
    • G06F15/16G06F15/173
    • H04L61/251H04L29/12358H04W80/04
    • A network system wherein it is possible to reduce the amount of load on the mobile node and the amount of traffic from the mobile node to the IPv4/IPv6 translator and it is possible for the IPv4/IPv6 translator to know the node's current position within the IPv6 network in which the mobile node is moving. The network system having an IPv4/IPv6 translator for bilaterally translating packets between IPv6 and IPv4 protocols, where the translator is equipped with an address table for storing home addresses and care-of addresses in pairs for each MIPv6 mobile node and the translator is made to behave as a correspondent node of the MIPv6 mobile node in question after the mobile node has moved out of the home link thereof.
    • 一种网络系统,其中可以减少移动节点上的负载量和从移动节点到IPv4 / IPv6转换器的业务量,并且IPv4 / IPv6转换器有可能知道节点在当前位置内的当前位置 移动节点正在移动的IPv6网络。 网络系统具有用于在IPv6和IPv4协议之间双向翻译分组的IPv4 / IPv6转换器,其中翻译器配备有用于为每个MIPv6移动节点和翻译器成对地存储家庭地址和转交地址的地址表, 在移动节点移出其主链路之后,表现为所讨论的MIPv6移动节点的通信节点。
    • 6. 发明申请
    • Network communication system
    • 网络通信系统
    • US20070030848A1
    • 2007-02-08
    • US11494870
    • 2006-07-28
    • Hiroshi MiyataShinichi Fujisawa
    • Hiroshi MiyataShinichi Fujisawa
    • H04L12/56H04L12/28
    • H04L12/4633
    • A network communication system includes a ZigBee network being defined based on IEEE 802.15.4, a plurality of IP (Internet Protocol) networks being defined based on IP, and a plurality of gateways available for protocols of the ZigBee network and the IP networks, wherein the plurality of IP networks is connected to the ZigBee network via the plurality of gateways, and a ZigBee frame that is based on the network layer of ZigBee is transmitted in the network communication system, the ZigBee frame storing an IP packet that is based on IP in a part of the ZigBee frame. The gateway includes a hop-limit control section for decrementing a hop number of a packet that passes through the gateway while regarding the ZigBee network as one hop in the IP network.
    • 网络通信系统包括基于IEEE 802.15.4定义的ZigBee网络,基于IP定义的多个IP(因特网协议)网络和可用于ZigBee网络和IP网络的协议的多个网关,其中 多个IP网络通过多个网关连接到ZigBee网络,并且在网络通信系统中发送基于ZigBee的网络层的ZigBee帧,ZigBee帧存储基于IP的IP分组 在ZigBee框架的一部分。 网关包括一个跳频限制控制部分,用于在将ZigBee网络作为IP网络中的一跳的同时,递减通过网关的分组的跳数。
    • 8. 发明授权
    • Acousto-optic device
    • 声光装置
    • US07062109B2
    • 2006-06-13
    • US10954305
    • 2004-10-01
    • Yukito TsunodaHiroshi Miyata
    • Yukito TsunodaHiroshi Miyata
    • G02F1/335
    • G02F1/116G02F1/125G02F2001/212
    • The present invention relates to an acousto-optic device capable of improving the interaction efficiency for suppressing the driving power needed for SAW generation. The acousto-optic device according to the present invention a substrate showing an acousto-optic effect, first and second optical waveguides formed on the substrate to be substantially parallel with each other for propagating light, a transducer formed on the substrate for producing a surface acoustic wave to be propagated in a propagation direction along directions of the first and second optical waveguides, and a surface acoustic wave distribution structure for distributing an intensity of the surface acoustic wave from the transducer in a direction perpendicular to the propagation direction on the substrate so that maximum values develop at two points corresponding to positions of the first and second optical waveguides.
    • 本发明涉及能够提高用于抑制SAW产生所需的驱动功率的相互作用效率的声光装置。 根据本发明的声光装置,具有声光效应的基板,形成在基板上的基本上彼此平行以传播光的第一和第二光波导;形成在基板上的用于产生表面声学的换能器 波沿着第一和第二光波导的方向沿传播方向传播,以及声表面波分布结构,用于在与基板上的传播方向垂直的方向上分配来自换能器的声表面波的强度,使得 在与第一和第二光波导的位置对应的两个点处产生最大值。