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    • 3. 发明授权
    • Method and apparatus for multiple band transmission
    • 用于多频带传输的方法和装置
    • US06389269B1
    • 2002-05-14
    • US09594395
    • 2000-06-15
    • Peter NanniLi XiangEric Midlock
    • Peter NanniLi XiangEric Midlock
    • H04B102
    • H04B1/0458H04B1/005H04B1/006H04B1/406
    • A method and apparatus for transmitting in multiple radio frequency (RF) bands from a single device is described. The device includes a transmitter (128) for transmitting RF communication signals. The transmitter is comprised of a power amplifier (200) for amplifying the RF communication signal in either a first RF band or a second RF band. The transmitter has a complex transformer (202) for partially transforming the impedance of the RF communication signal in a first RF band, and completely transforming the impedance of the RF communication signal to the characteristic impedance in a second RF band. The transmitter also includes a first path (204) for transmitting the RF communication signal in the first RF band and a second path (206) for transmitting the RF communication signal in the second RF band. The first path completes the impedance transformation of the RF communication signal when the system is operating in the first RF band and the second path operates at the characteristic impedance when the system is operating in the second RF band.
    • 描述了用于从单个设备在多个射频(RF)频带中发射的方法和装置。 该设备包括用于发射RF通信信号的发射机(128)。 发射机包括用于在第一RF频带或第二RF频带中放大RF通信信号的功率放大器(200)。 发射机具有用于部分地变换第一RF频带中的RF通信信号的阻抗的复合变压器(202),并且将RF通信信号的阻抗完全变换为第二RF频带中的特性阻抗。 发射机还包括用于在第一RF频带中发送RF通信信号的第一路径(204)和用于在第二RF频带中发送RF通信信号的第二路径(206)。 当系统在第一RF频带中操作时,第一路径完成RF通信信号的阻抗变换,并且当系统在第二RF频带中操作时,第二路径以特性阻抗工作。
    • 6. 发明申请
    • IMS DIAMETER ROUTER WITH LOAD BALANCING
    • 具有负载平衡的IMS直径路由器
    • US20100299451A1
    • 2010-11-25
    • US12744504
    • 2007-12-01
    • Cai YigangPei KeLi Xiang Yang
    • Cai YigangPei KeLi Xiang Yang
    • G06F15/16
    • H04L65/1016H04L45/306H04L63/0892H04L65/1069H04L65/1073H04L65/80
    • A Diameter router (20) is presented for performing load balancing and initial Diameter message routing in an IMS network, where clients in network elements (10) are provisioned with the address of the router and send an initial Diameter request message (41) for a given session to the router. The router selects a server (31) based at least partially on a type of IMS message session, application services, subscriber information, or billing information, and sends a relayed initial Diameter request message (42) to the selected server. The selected server sends an initial Diameter response (43) to the router which then forwards a relayed initial response (44) to the client. Thereafter, the client and the selected server send messages directly to each other for the remainder of the session.
    • 呈现了Diameter路由器(20),用于在IMS网络中执行负载平衡和初始Diameter消息路由,其中​​网络元件(10)中的客户端被提供有路由器的地址,并发送初始Diameter请求消息(41),用于 给路由器给定会话。 所述路由器至少部分地基于IMS消息会话,应用服务,订户信息或计费信息的类型选择服务器(31),并且向所选择的服务器发送中继的初始Diameter请求消息(42)。 所选服务器向路由器发送初始Diameter响应(43),该路由器然后将中继的初始响应(44)转发给客户端。 此后,客户端和所选服务器在剩余的会话中直接发送消息给彼此。
    • 9. 外观设计
    • Wireless presenter
    • USD989041S1
    • 2023-06-13
    • US29850275
    • 2022-08-18
    • Li Xiang
    • Li Xiang
    • FIG. 1 is a perspective view of a first embodiment of a wireless presenter, showing my new design;
      FIG. 2 is another perspective view thereof;
      FIG. 3 is a front view thereof;
      FIG. 4 is a rear view thereof;
      FIG. 5 is a left side view thereof;
      FIG. 6 is a right side view thereof;
      FIG. 7 is an enlarged top plan view thereof;
      FIG. 8 is an enlarged bottom plan view thereof;
      FIG. 9 is a perspective view of a second embodiment of a wireless presenter;
      FIG. 10 is another perspective view thereof;
      FIG. 11 is a front view thereof;
      FIG. 12 is a rear view thereof;
      FIG. 13 is a left side view thereof;
      FIG. 14 is a right side view thereof;
      FIG. 15 is an enlarged top plan view thereof; and,
      FIG. 16 is an enlarged bottom plan view thereof.
      The broken lines shown in the drawings illustrate portions of the wireless presenter that form no part of the claimed design.