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    Network system, layer 3 communication device, layer 2 communication device, and route selection method
    42.
    发明授权
    Network system, layer 3 communication device, layer 2 communication device, and route selection method 有权
    网络系统，第3层通信设备，第2层通信设备和路由选择方法

    公开(公告)号：US07983190B2

    公开(公告)日：2011-07-19

    申请号：US11226406

    申请日：2005-09-15

    申请人： Masaki Hirota

    发明人： Masaki Hirota

    IPC分类号： H04L12/28

    CPC分类号： H04L45/28 ,  H04L12/4641 ,  H04L49/602

    摘要： In a layer 2 communication device included in multiple layer 2 networks, an identifying unit identifies a layer 3 control packet from among packets passing through, and an embedding unit embeds routing control information for the layer 2 network in the layer 3 control packet. In a layer 3 communication device connected to the multiple layer 2 networks, a selecting unit selects from the multiple layer 2 networks, an optimum L2 network, that is a layer 2 network forming an optimum communication route, based on a communication destination, and a setting unit sets a packet to be transmitted to the optimum L2 network.

    摘要翻译： 在多层2网络中包含的层2通信装置中，识别单元从通过的分组中识别层3控制分组，嵌入单元在层3控制分组中嵌入层2网络的路由控制信息。 在连接到多层2网络的层3通信装置中，选择单元从多层2网络，基于通信目的地，选择形成最佳通信路由的2层网络的最佳L2网络， 设置单元设置要发送到最佳L2网络的数据包。

    Network system, layer 3 communication device, layer 2 communication device, and route selection method
    46.
    发明申请
    Network system, layer 3 communication device, layer 2 communication device, and route selection method 有权
    网络系统，第3层通信设备，第2层通信设备和路由选择方法

    公开(公告)号：US20060209895A1

    公开(公告)日：2006-09-21

    申请号：US11226406

    申请日：2005-09-15

    申请人： Masaki Hirota

    发明人： Masaki Hirota

    IPC分类号： H04J3/16

    CPC分类号： H04L45/28 ,  H04L12/4641 ,  H04L49/602

    摘要： In a layer 2 communication device included in multiple layer 2 networks, an identifying unit identifies a layer 3 control packet from among packets passing through, and an embedding unit embeds routing control information for the layer 2 network in the layer 3 control packet. In a layer 3 communication device connected to the multiple layer 2 networks, a selecting unit selects from the multiple layer 2 networks, an optimum L2 network, that is a layer 2 network forming an optimum communication route, based on a communication destination, and a setting unit sets a packet to be transmitted to the optimum L2 network.

    摘要翻译： 在多层2网络中包含的层2通信装置中，识别单元从通过的分组中识别层3控制分组，嵌入单元在层3控制分组中嵌入层2网络的路由控制信息。 在连接到多层2网络的层3通信装置中，选择单元从多层2网络中选择最佳的L 2网络，即基于通信目的地形成最佳通信路由的二层网络，以及 设置单元将要发送的分组设置到最佳L 2网络。

    Operator identifying device
    47.
    发明授权
    Operator identifying device 失效
    操作员识别装置

    公开(公告)号：US07098812B2

    公开(公告)日：2006-08-29

    申请号：US10455328

    申请日：2003-06-06

    申请人： Masaki Hirota

    发明人： Masaki Hirota

    IPC分类号： G08G1/123

    CPC分类号： G01C21/3602 ,  G01C21/3641 ,  G06K9/00362

    摘要： An operator identifying device for a vehicle with an operating section located between driver's and non-driver's seats includes a photographing section and an image processing section. The photographing section is configured to obtain image data of a prescribed region encompassing the operating section and at least one of hands of a driver and a non-driver when the at least one of the hands is extended toward the operating section. The image processing section is configured to process the image data to determine whether at least one of the driver and the non-driver is an operator of the operating section. Moreover, an onboard apparatus is provided with the operator identifying device, an operating section and a control section. The control section is configured to control an operation of the onboard apparatus based on an operator identification result of the operator identifying device.

    摘要翻译： 具有位于驾驶员和非驾驶员座位之间的操作部分的用于车辆的操作者识别装置包括拍摄部分和图像处理部分。 拍摄部被配置为当至少一只手向操作部延伸时，获得包围操作部的规定区域的图像数据和驾驶员和非驾驶员的手中的至少一个。 图像处理部被配置为处理图像数据以确定驾驶员和非驾驶员中的至少一个是操作部的操作者。 此外，车载装置设置有操作者识别装置，操作部和控制部。 控制部被配置为基于操作者识别装置的操作者识别结果来控制车载装置的操作。

    Method for preventing control packet loop and bridge apparatus using the method
    48.
    发明申请
    Method for preventing control packet loop and bridge apparatus using the method 有权
    使用该方法防止控制分组环路和桥接设备的方法

    公开(公告)号：US20060007869A1

    公开(公告)日：2006-01-12

    申请号：US11023916

    申请日：2004-12-28

    申请人： Masaki Hirota ,  Kazuto Nishimura ,  Yasushi Sasakawa ,  Kou Takatori

    发明人： Masaki Hirota ,  Kazuto Nishimura ,  Yasushi Sasakawa ,  Kou Takatori

    IPC分类号： H04L12/26 ,  H04L12/28 ,  H04L12/56

    CPC分类号： H04L47/323 ,  H04L12/4625

    摘要： A method for preventing a control packet loop in a network realizing node redundancy or circuit redundancy based on a rapid spanning tree protocol or a multiple spanning tree protocol is disclosed. The method includes the steps of: detecting a loop of a control packet of the rapid spanning tree protocol or the multiple spanning tree protocol; and discarding the control packet by which the loop is detected so as to prevent occurrence of the loop of the control packet.

    摘要翻译： 公开了一种基于快速生成树协议或多生成树协议来防止网络中的控制分组环路实现节点冗余或电路冗余的方法。 该方法包括以下步骤：检测快速生成树协议或多生成树协议的控制分组的循环; 并且丢弃检测到环路的控制分组，以防止发生控制分组的循环。

    Optical bus system and signal processor
    49.
    发明授权
    Optical bus system and signal processor 失效
    光总线系统和信号处理器

    公开(公告)号：US06317242B1

    公开(公告)日：2001-11-13

    申请号：US09221994

    申请日：1998-12-29

    申请人： Shinobu Ozeki ,  Tsutomu Hamada ,  Hiroki Ishida ,  Masaki Hirota ,  Kazuhiro Sakai ,  Kenichi Kobayashi ,  Masao Funada ,  Hiroshi Fujimagari

    发明人： Shinobu Ozeki ,  Tsutomu Hamada ,  Hiroki Ishida ,  Masaki Hirota ,  Kazuhiro Sakai ,  Kenichi Kobayashi ,  Masao Funada ,  Hiroshi Fujimagari

    IPC分类号： H04B1017

    CPC分类号： H04B10/801 ,  H05K1/02 ,  H05K1/14

    摘要： An optical bus system comprising an optical bus is furnished, along two opposed edges, with a plurality of signal light input/output portions for inputting and outputting signal light to and from the bus. Any one of the signal light input/output portions on one edge of the bus inputs signal light thereto and propagates the light to the opposite edge at which another signal light input/output portion outputs the propagated signal light from the bus. The system also comprises a plurality of light emitting/receiving circuits corresponding to the signal light input/output portions. Each light emitting/receiving circuit has a signal light sending unit and a signal light receiving unit. The signal light sending unit generates signal light and sends the generated signal light into the optical bus through the corresponding signal light input/output portion. The signal light receiving unit acquires a received light signal upon receipt of the signal light output by the corresponding signal light input/output portion. At least one of the light receiving/emitting circuits on each edge of the optical bus has a repeating or reflecting part that causes the corresponding signal light sending unit to send out the signal light received by the corresponding signal light receiving unit.

    摘要翻译： 沿着两个相对的边缘，提供包括光学总线的光学总线系统，该多个信号光输入/输出部分用于向总线输入和输出信号光。 总线输入的一个边缘上的信号光输入/输出部分中的任何一个信号发光，并将光传播到另一信号光输入/输出部分从总线输出传播信号光的相对边缘。 该系统还包括对应于信号光输入/输出部分的多个发光/接收电路。 每个发光/接收电路具有信号光发送单元和信号光接收单元。 信号光发送单元产生信号光，并通过相应的信号光输入/输出部分将产生的信号光发送到光总线。 信号光接收单元在接收到由对应的信号光输入/输出部分输出的信号光时获取接收的光信号。 光总线的每个边缘上的光接收/发射电路中的至少一个具有使相应的信号光发送单元发出由对应的信号光接收单元接收的信号光的重复或反射部分。