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    • 2. 发明授权
    • Communication apparatus used for communicating in accordance with a
multi-channel access method
    • 用于根据多信道接入方式进行通信的通信装置
    • US5642400A
    • 1997-06-24
    • US261602
    • 1994-06-17
    • Shunji AraiMitsuhiro WatanabeMasashi Hamada
    • Shunji AraiMitsuhiro WatanabeMasashi Hamada
    • H04M1/725H04M1/733H04W72/08H04W88/02H04Q7/38
    • H04M1/733H04M1/72508H04M1/72511H04W88/021
    • A communication apparatus to which communication units for communicating in accordance with a multichannel access method are connected comprises a receiver to receive ID information of a communication channel to be used from the plurality of communication units, and a selector to select the communication channel in accordance with the ID information received by the receiver. Namely, the selector selects the communication channel other than the communication channel such as to exert an influence on a control channel or other communication channels if it is used together with the in-use communication channel. Or, now assuming that a frequency of the in-use communication channel is set to f.sub.A, the selector selects the communication channel other than the communication channel of a frequency f.sub.B such that (2f.sub.A -f.sub.B) or (2f.sub.B -f.sub.A) is equal to the frequency of the control channel or the frequency of the other communication channel.
    • 根据多通道访问方法进行通信的通信单元所连接的通信装置包括:接收器,用于从多个通信单元接收要使用的通信信道的ID信息;以及选择器,根据 由接收者接收的ID信息。 也就是说,选择器选择通信信道以外的通信信道,如果与使用中的通信信道一起使用,则对控制信道或其他通信信道施加影响。 或者,现在假设使用中通信信道的频率被设置为fA,则选择器选择频率fB的通信信道以外的通信信道,使得(2fA-fB)或(2fB-fA)等于 控制信道的频率或其他通信信道的频率。
    • 6. 发明授权
    • Remote control system and method thereof, remote control device and device targeted for control
    • 遥控系统及其方法,远程控制装置和控制装置
    • US07737862B2
    • 2010-06-15
    • US11436530
    • 2006-05-19
    • Mitsuhiro Watanabe
    • Mitsuhiro Watanabe
    • G08C19/00
    • G08C17/02G08C2201/30G08C2201/71
    • In a remote control system, when a user directs a host device of a portable type toward target devices for search and specification, a search signal including a unique identifier (UID) is transmitted from a directional antenna. Each of the target devices stores the UID included in the received search signal in a memory unit, and transmits a response signal including device information on itself from an antenna. The host device identifies one of the target devices based on the device information included in the response signal, runs a control program for the identified target device, and displays an operation screen on a display unit. When the user instructs the remote operation on the operation screen, the host device transmits a remote control signal including the UID from the omni-directional antenna. When the target device receives the remote control signal including the UID that matches with the UID stored in the memory unit, the target device controls a function unit according to the remote control signal.
    • 在遥控系统中,当用户将便携式主机装置指向用于搜索和指定的目标装置时,从定向天线发送包括唯一标识符(UID)的搜索信号。 每个目标设备将包含在接收到的搜索信号中的UID存储在存储器单元中,并且从天线发送包括关于其自身的设备信息的响应信号。 主机设备基于响应信号中包含的设备信息识别目标设备之一,运行用于识别的目标设备的控制程序,并在显示单元上显示操作画面。 当用户在操作屏幕上指示远程操作时,主机设备从全向天线发送包括UID的遥控信号。 当目标设备接收包括与存储在存储器单元中的UID匹配的UID的遥控信号时,目标设备根据遥控信号控制功能单元。
    • 9. 发明授权
    • Radio terminal that decides a best route based on weight values of communication paths
    • 基于通信路径权重值决定最佳路由的无线终端
    • US07225268B2
    • 2007-05-29
    • US10293365
    • 2002-11-14
    • Mitsuhiro Watanabe
    • Mitsuhiro Watanabe
    • G06F15/16H04L12/28
    • H04W40/28H04L1/1809H04L1/203H04L5/1446H04L45/26H04W40/12H04W40/22H04W40/246H04W88/02
    • A wireless terminal capable of quickly searching for the best route required for communication in a local network such as an ad hoc network is provided. Each of wireless terminals in the local network sets a bit error rates and a data transfer rate with neighboring wireless terminals and, based on the calculated values, calculates the route weight value of a link to each of the neighboring terminals. To set a route for communication between a wireless terminal and another wireless terminal, the wireless terminal issues a route search command based on the route weight value and sends the route weight value to neighboring terminals. The neighboring terminals also send the route search command sequentially to the next terminal while adding up the route weight value. A wireless terminal at the other end decides the best route from the added up route weight value and sends a response back to the starting point.
    • 提供能够快速搜索本地网络(例如自组织网络)中通信所需的最佳路由的无线终端。 本地网络中的每个无线终端设置与相邻无线终端的误码率和数据传输速率,并且基于所计算的值,计算到每个相邻终端的链路的路由权重值。 为了设置无线终端与另一无线终端之间的通信路由,无线终端基于路由权重值发布路由搜索命令,并将路由权重值发送给相邻终端。 相邻终端还将路由搜索命令顺序地发送到下一个终端,同时加入路由权重值。 另一端的无线终端根据加起来的路由权重值确定最佳路由,并将响应发送回起点。
    • 10. 发明申请
    • Switch circuit and high-frequency composite part
    • 开关电路和高频复合部件
    • US20070105506A1
    • 2007-05-10
    • US11592218
    • 2006-11-03
    • Shigeru KemmochiMitsuhiro WatanabeKeisuke FukamachiHiroyuki Tai
    • Shigeru KemmochiMitsuhiro WatanabeKeisuke FukamachiHiroyuki Tai
    • H04B1/44
    • H04B1/005H01P1/15H04B1/406H04B1/44H04B1/48
    • A switch circuit for selectively switching connection of an antenna side circuit with a reception circuit and a transmission circuit of two communication systems one of which has a reception frequency band partially overlapped with a transmission frequency of the other. The switch circuit includes (a) a first switch unit for switching connection to the antenna side circuit with the transmission circuit side of the first and the second communication systems and the reception circuit side of the first and the second communication system and (b) a second switch unit connected between the first switch unit and the reception circuit of the first end and the second communication system for switching connection of the antenna side circuit with the reception circuit of the first and the second communication system. (c) The transmission circuit side of the first and the second communication system of the first switch unit is connected to a transmission circuit shared by the first and the second communication system. (d) When the transmission circuit of the first and the second communication system is connected to the antenna side circuit, the second switch unit cuts off the connection between the reception circuit of the first communication system and the first switch unit.
    • 一种用于选择性地切换天线侧电路与接收电路的连接的开关电路和两个通信系统的发送电路,其中一个具有与另一个的发送频率部分重叠的接收频带。 开关电路包括:(a)第一开关单元,用于利用第一和第二通信系统的发送电路侧和第一和第二通信系统的接收电路侧切换与天线侧电路的连接,以及(b) 连接在第一开关单元和第一端的接收电路之间的第二开关单元和用于切换天线侧电路与第一和第二通信系统的接收电路的连接的第二通信系统。 (c)第一开关单元的第一和第二通信系统的发送电路侧连接到由第一通信系统和第二通信系统共享的发送电路。 (d)当第一和第二通信系统的发送电路连接到天线侧电路时,第二开关单元切断第一通信系统的接收电路和第一开关单元之间的连接。