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    • 2. 发明授权
    • Methods, systems and devices for wireless devices having multiple wireless modules
    • 具有多个无线模块的无线设备的方法,系统和设备
    • US08804579B2
    • 2014-08-12
    • US12867256
    • 2009-02-25
    • Xuejun Zhang
    • Xuejun Zhang
    • H04B7/005
    • H04B1/006H04H40/18H04W88/06
    • Wireless communications devices, methods and systems are implemented in various fashions. According to one such implementation, a method is used in a device using time-division-multiple access and multiple-mode wireless modules. Logic generates a signal indicative (304) of a first (e.g., TV) wireless module (150) being active. In a first state where the first wireless module (150) is active, a switch connects a transmitter of a second (e.g., cellular) wireless module (100) to a duplexer (202). In a second state where the first wireless module is not active, logic connects the transmitter of the second wireless module (100) to an antenna (102) while bypassing the duplexer (202). Logic connects, in the first state, the duplexer (202) to the antenna (102) and connects, in the second state, the transmitter to the antenna while bypassing the duplexer (202). The duplexer (202) connects a receiver of the second wireless module (100) to the antenna (202) and includes a transmit band pass filter designed with a rejection band near an operating band of the first wireless module (150).
    • 无线通信设备,方法和系统以各种方式实现。 根据一种这样的实现,在使用时分多址和多模式无线模块的设备中使用一种方法。 逻辑产生表示第一(例如,TV)无线模块(150)处于活动状态的指示(304)的信号。 在第一无线模块(150)有效的第一状态下,交换机将第二(例如,蜂窝)无线模块(100)的发射机连接到双工器(202)。 在第一无线模块不起作用的第二状态下,在绕过双工器(202)的同时,逻辑将第二无线模块(100)的发射机连接到天线(102)。 在第一状态下,逻辑器件将双工器(202)连接到天线(102),并且在旁路双工器(202)的同时将发射器在第二状态下连接到天线。 双工器(202)将第二无线模块(100)的接收机连接到天线(202),并且包括设计有在第一无线模块(150)的工作频带附近的拒绝频带的发射带通滤波器。
    • 4. 发明申请
    • Print head assembly and printer using the same
    • 打印头组件和打印机使用相同
    • US20130286136A1
    • 2013-10-31
    • US13988342
    • 2011-11-01
    • Tao GaoXuejun ZhangQiangzi CongTianxin JiangMin Yang
    • Tao GaoXuejun ZhangQiangzi CongTianxin JiangMin Yang
    • B41J2/335
    • B41J25/304B41J2/32B41J2/335B41J3/60B41J11/0095B41J15/042B41J25/34
    • A print head assembly and a printer using the same are disclosed. The print head assembly includes: a bracket, a print head and an elastic element. The bracket includes a first bracket body having a cavity and a lid covered on the opening of the cavity. A window is opened on the first bracket body. The print head is accommodated in the cavity of the first bracket body and hinged to the first bracket body via a first rotary shaft. The surface of a heating element of the print head is matched with the window and faces an outside paper pressing roller. The elastic element biases towards the print head so as to make the surface of the heating element of the print head have a tendency to extend outside the window. The print head assembly is capable of being detached as a whole, thus the requirements of performing single-sided printing and duplex printing in the same printer is achieved.
    • 公开了一种打印头组件和使用该打印头组件的打印机。 打印头组件包括:支架,打印头和弹性元件。 支架包括具有空腔的盖的第一支架体和覆盖在空腔的开口上的盖子。 在第一支架主体上打开一个窗口。 打印头容纳在第一托架体的空腔中,并通过第一旋转轴铰接到第一托架体上。 打印头的加热元件的表面与窗口匹配,并面向外部的压纸辊。 弹性元件朝向打印头偏压,使得打印头的加热元件的表面具有延伸到窗外的趋势。 打印头组件能够整体脱离,从而实现了在同一台打印机中执行单面打印和双面打印的要求。
    • 6. 发明授权
    • Method and system for establishing wireless peer-to-peer communications
    • 用于建立无线对等通信的方法和系统
    • US07283832B2
    • 2007-10-16
    • US10547585
    • 2004-03-01
    • Qunli JiaNi MaLi SunXuejun Zhang
    • Qunli JiaNi MaLi SunXuejun Zhang
    • H04B7/00H04Q7/20
    • H04W76/14H04W4/06H04W8/24H04W24/00H04W48/08H04W92/18
    • The present invention provides a wireless network system for establishing peer-to-peer communication between mobile terminals. Upon determining that peer-to-peer communication can be established between two mobile terminal, the wireless network system transmits to each of the mobile terminals information about radio resources used by the other one of the mobile terminals. Each mobile terminal then uses the radio resources information to test the characteristics of a dedicated uplink channel between the other one of the mobile terminals and the network system. Thus, no separate radio channel needs to be allocated for the channel testing. Furthermore, each mobile terminal uses the same radio resources to establish a dedicated radio channel in the peer-to-peer communication with the other one of the mobile terminals, which were previously used by itself for communication with the network system on the dedicated uplink channel. In this way, the network system does not need to allocate additional radio resources for establishing the peer-to-peer communication, thus simplifying the radio resources re-allocation scheme, while ensuring that the quality of the channels is the same as tested.
    • 本发明提供一种用于在移动终端之间建立对等通信的无线网络系统。 在确定可以在两个移动终端之间建立对等通信的情况下,无线网络系统向每个移动终端发送关于另一个移动终端所使用的无线电资源的信息。 每个移动终端然后使用无线电资源信息来测试另一个移动终端和网络系统之间的专用上行链路信道的特性。 因此,不需要为通道测试分配单独的无线电信道。 此外,每个移动终端使用相同的无线电资源来建立与另一个移动终端的对等通信中的专用无线电信道,所述另一个移动终端本身已经在专用上行链路信道上与网络系统通信 。 以这种方式,网络系统不需要分配额外的无线电资源来建立对等通信,从而简化无线电资源重新分配方案,同时确保信道的质量与测试相同。
    • 9. 发明授权
    • Print head assembly and printer using the same
    • 打印头组件和打印机使用相同
    • US08786649B2
    • 2014-07-22
    • US13988342
    • 2011-11-01
    • Tao GaoXuejun ZhangQiangzi CongTianxin JiangMin Yang
    • Tao GaoXuejun ZhangQiangzi CongTianxin JiangMin Yang
    • B41J25/304B41J25/34B41J3/60
    • B41J25/304B41J2/32B41J2/335B41J3/60B41J11/0095B41J15/042B41J25/34
    • A print head assembly and a printer using the same are disclosed. The print head assembly includes: a bracket, a print head and an elastic element. The bracket includes a first bracket body having a cavity and a lid covered on the opening of the cavity. A window is opened on the first bracket body. The print head is accommodated in the cavity of the first bracket body and hinged to the first bracket body via a first rotary shaft. The surface of a heating element of the print head is matched with the window and faces an outside paper pressing roller. The elastic element biases towards the print head so as to make the surface of the heating element of the print head have a tendency to extend outside the window. The print head assembly is capable of being detached as a whole, thus the requirements of performing single-sided printing and duplex printing in the same printer is achieved.
    • 公开了一种打印头组件和使用该打印头组件的打印机。 打印头组件包括:支架,打印头和弹性元件。 支架包括具有空腔的盖的第一支架体和覆盖在空腔的开口上的盖子。 在第一支架主体上打开一个窗口。 打印头容纳在第一托架体的空腔中,并通过第一旋转轴铰接到第一托架体上。 打印头的加热元件的表面与窗口匹配,并面向外部的压纸辊。 弹性元件朝向打印头偏压,使得打印头的加热元件的表面具有延伸到窗外的趋势。 打印头组件能够整体脱离,从而实现了在同一台打印机中执行单面打印和双面打印的要求。
    • 10. 发明申请
    • Method and Apparatus for Joint Detection in Downlink Tdd Cdma
    • 下行Tdd Cdma联合检测方法与装置
    • US20080247337A1
    • 2008-10-09
    • US10599185
    • 2005-03-04
    • Yueheng LiGang WuXuejun ZhangNi Ma
    • Yueheng LiGang WuXuejun ZhangNi Ma
    • H04J3/00
    • H04B1/7105H04B1/7083
    • A method and apparatus for implementing downlink JD (Joint Detection) in TDD CDMA communication systems, wherein the steps to be executed in the UE comprises: receiving downlink signals from a network system in a specific timeslot; acquiring the active primary and secondary channelisation codes in the specific timeslot, through processing the downlink signal; acquiring the initial ACC (Active Channelisation Codes) information for use in implementing JD in the next frame, through implementing a JD algorithm on the downlink signal by using the primary and secondary channelisation codes. An ACC dedicated channel is sent on the FPACH, carrying information relative to the use of secondary channelisation codes.
    • 一种用于在TDD CDMA通信系统中实现下行链路JD(Joint Detection)的方法和装置,其中在UE中执行的步骤包括:在特定时隙中从网络系统接收下行链路信号; 通过处理下行链路信号来获取特定时隙中的主要主要和次要信道化码; 通过使用主要和次要信道化代码,通过在下行链路信号上实现JD算法来获取用于在下一帧中实现JD的初始ACC(主动信道化码)信息。 在FPACH上发送ACC专用信道,携带相对于使用辅助信道化码的信息。