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    • 1. 发明申请
    • SYSTEM AND METHOD OF CONTROLLING MEDIA STREAMS IN AN ELECTRONIC DEVICE
    • 在电子设备中控制媒体流的系统和方法
    • US20080186960A1
    • 2008-08-07
    • US12025053
    • 2008-02-04
    • Michael KocheisenLars RehderJianfeng WuJeff Parrish
    • Michael KocheisenLars RehderJianfeng WuJeff Parrish
    • H04L12/50
    • G06F3/165G06F9/50H04L69/32
    • The present invention provides a method of controlling media streams in an electronic device that includes receiving an input stream from a plurality of applications executed on the electronic device outside of an execution thread of any of the plurality of applications and routing each of the input streams to an output device according to a set of preconfigured rules. In a second aspect, the present invention also provides an electronic device that includes a plurality of output device components and a processor that is adapted to execute 1) a plurality of applications producing streams of data, and 2) a mediator that is coupled to each of the output devices adapted to receive the data streams from each of a plurality of applications and route the data streams from the plurality of applications to one or more of the output devices according to a set of preconfigured rules.
    • 本发明提供了一种控制电子设备中的媒体流的方法,包括从多个应用中的任何一个的执行线程之外的电子设备上执行的多个应用接收输入流,并将每个输入流转发到 根据一组预先配置的规则的输出设备。 在第二方面,本发明还提供一种电子设备,其包括多个输出设备组件和处理器,其适于执行1)产生数据流的多个应用程序,以及2)耦合到每个 所述输出设备适于从多个应用中的每一个应用接收数据流,并且根据一组预先配置的规则将数据流从多个应用路由到一个或多个输出设备。
    • 2. 发明授权
    • Frequency stabilized laser system
    • 频率稳定的激光系统
    • US08736845B2
    • 2014-05-27
    • US13457929
    • 2012-04-27
    • Jianfeng WuJennifer S. StrableyTiequn QiuGlen A. Sanders
    • Jianfeng WuJennifer S. StrableyTiequn QiuGlen A. Sanders
    • G01C19/72G01B11/16
    • H01S5/06258G03F7/70525H01S5/0687
    • A laser stabilization system includes laser source having first and second ends; first waveguide portion having first and second ends, first end of first waveguide portion coupled to first end of laser source; second waveguide portion having first and second ends, first end of second waveguide portion coupled to second end of laser source; micro-cavity coupled between second end of first waveguide portion and second end of second waveguide portion, micro-cavity having resonant frequency; and electronic locking loop coupled between micro-cavity and laser source, wherein electronic locking loop electronically locks laser source to resonant frequency of micro-cavity; wherein first waveguide portion is optical locking loop coupled between micro-cavity and laser source, wherein optical locking loop optically locks laser source to resonant frequency of micro-cavity; micro-cavity stabilization loop coupled with micro-cavity, wherein micro-cavity stabilization loop stabilizes resonant frequency of micro-cavity to reference frequency; and output for outputting light from system.
    • 激光稳定系统包括具有第一和第二端的激光源; 第一波导部分具有第一和第二端,第一波导部分的第一端耦合到激光源的第一端; 第二波导部分具有第一和第二端,第二波导部分的第一端耦合到激光源的第二端; 耦合在第一波导部分的第二端和第二波导部分的第二端之间的微腔,具有谐振频率的微腔; 和耦合在微腔和激光源之间的电子锁定环,其中电子锁定环将激光源电子地锁定到微腔的共振频率; 其中第一波导部分是耦合在微腔和激光源之间的光学锁定环,其中光学锁定环将激光源光学锁定到微腔的共振频率; 微腔稳定环与微腔耦合,其中微腔稳定环路将微腔​​的谐振频率稳定到参考频率; 并输出用于从系统输出光。
    • 3. 发明授权
    • Base station system
    • 基站系统
    • US07962176B2
    • 2011-06-14
    • US11885948
    • 2005-12-29
    • Shihe LiTiezhu XuHongbo WangLiwei WangXiaozhou ChenXian LiuGuoxin ZhaoJianfeng Wu
    • Shihe LiTiezhu XuHongbo WangLiwei WangXiaozhou ChenXian LiuGuoxin ZhaoJianfeng Wu
    • H04B1/38
    • H04W88/08H04W88/085
    • The present invention discloses a base station system, including an indoor part and a remote RF subsystem (RRS). The indoor part includes a RIU, a CCU, a BBU, a GPSU and a local interface unit. The RRS includes a remote interface unit, a RF transceiver unit (TRU) and an antenna. The local interface unit and the remote interface unit are for signal intercommunicating between the indoor part of the base station and the RSS. The TRU is a RF transceiver module of the conventional RFU, for amplifying an analog RF signal from the remote interface unit and transmitting the signal to the antenna. By flexibly selecting between an optical cable and an If cable, the interface unit of the present invention provides a digital baseband remote manner and an IF remote manner. According to the structure of the base station of the present invention, the number of the base station sites and the network operating cost decreases; on the other side, since one base station may cover a cell by smart antenna with only one optical cable or IF cable, the difficulty in mounting is reduced.
    • 本发明公开了一种基站系统,包括室内部分和远程RF子系统(RRS)。 室内部分包括RIU,CCU,BBU,GPSU和本地接口单元。 RRS包括远程接口单元,RF收发器单元(TRU)和天线。 本地接口单元和远程接口单元用于基站的室内部分与RSS之间的信号互通。 TRU是常规RFU的RF收发模块,用于放大来自远程接口单元的模拟RF信号并将信号发送到天线。 通过在光缆和If电缆之间灵活选择,本发明的接口单元提供数字基带远程方式和IF远程方式。 根据本发明的基站的结构,基站的数量和网络运营成本降低; 另一方面,由于一个基站可以通过仅使用一根光缆或IF电缆的智能天线来覆盖小区,所以安装的难度降低。
    • 6. 发明授权
    • Low noise resonator fiber optic gyro
    • 低噪声谐振器光纤陀螺
    • US08873063B2
    • 2014-10-28
    • US13585263
    • 2012-08-14
    • Glen A. SandersLee K. StrandjordJianfeng WuTiequn Qiu
    • Glen A. SandersLee K. StrandjordJianfeng WuTiequn Qiu
    • G01C19/72
    • G01C19/727
    • A low-noise resonator fiber-optic gyroscope is provided. The low-noise resonator fiber-optic gyroscope includes at least one laser to output a reference optical beam, a first-optical-beam frequency controller to modulate the first optical beam at a first-modulation frequency, a second-optical-beam frequency controller to modulate the second optical beam at a second-modulation frequency to form a second-frequency-modulated optical beam, a fiber resonator having a counter-clockwise-input end configured to input the first-frequency-modulated optical beam and the clockwise-input end configured to input the second-frequency-modulated optical beam; a first-frequency demodulator to demodulate an optical beam output from the clockwise-input end of the fiber resonator; and a second-frequency demodulator to demodulate an optical beam output from the counter-clockwise-input end of the fiber resonator. The first-modulation frequency and the second-modulation frequency are adjusted so that sideband noise spectrum centered on the first and second modulation frequencies are from each other.
    • 提供了一种低噪声谐振器光纤陀螺仪。 低噪声谐振器光纤陀螺仪包括至少一个用于输出参考光束的激光器,用于以第一调制频率调制第一光束的第一光束频率控制器,第二光束频率控制器 以第二调制频率调制第二光束以形成第二调频光束;光纤谐振器,其具有被配置为输入第一调频光束和顺时针输入的逆时针输入端 端部配置成输入第二频率调制光束; 第一频率解调器,用于解调从光纤谐振器的顺时针输入端输出的光束; 以及第二频率解调器,用于解调从光纤谐振器的逆时针输入端输出的光束。 调整第一调制频率和第二调制频率,使得以第一和第二调制频率为中心的边带噪声频谱彼此相关。
    • 7. 发明申请
    • LOW NOISE RESONATOR FIBER OPTIC GYRO
    • 低噪声共振器光纤光栅
    • US20140049780A1
    • 2014-02-20
    • US13585263
    • 2012-08-14
    • Glen A. SandersLee K. StrandjordJianfeng WuTiequn Qiu
    • Glen A. SandersLee K. StrandjordJianfeng WuTiequn Qiu
    • G01C19/72
    • G01C19/727
    • A low-noise resonator fiber-optic gyroscope is provided. The low-noise resonator fiber-optic gyroscope includes at least one laser to output a reference optical beam, a first-optical-beam frequency controller to modulate the first optical beam at a first-modulation frequency, a second-optical-beam frequency controller to modulate the second optical beam at a second-modulation frequency to form a second-frequency-modulated optical beam, a fiber resonator having a counter-clockwise-input end configured to input the first-frequency-modulated optical beam and the clockwise-input end configured to input the second-frequency-modulated optical beam; a first-frequency demodulator to demodulate an optical beam output from the clockwise-input end of the fiber resonator; and a second-frequency demodulator to demodulate an optical beam output from the counter-clockwise-input end of the fiber resonator. The first-modulation frequency and the second-modulation frequency are adjusted so that sideband noise spectrum centered on the first and second modulation frequencies are from each other.
    • 提供了一种低噪声谐振器光纤陀螺仪。 低噪声谐振器光纤陀螺仪包括至少一个用于输出参考光束的激光器,用于以第一调制频率调制第一光束的第一光束频率控制器,第二光束频率控制器 以第二调制频率调制第二光束以形成第二调频光束;光纤谐振器,其具有被配置为输入第一调频光束和顺时针输入的逆时针输入端 端部配置成输入第二频率调制光束; 第一频率解调器,用于解调从光纤谐振器的顺时针输入端输出的光束; 以及第二频率解调器,用于解调从光纤谐振器的逆时针输入端输出的光束。 调整第一调制频率和第二调制频率,使得以第一和第二调制频率为中心的边带噪声频谱彼此相关。
    • 9. 发明申请
    • METHOD AND APPARATUS FOR MULTIPLEXING AN ANTENNA ELEMENT, AND ANTENNA COMPONENT
    • 用于复合天线元件和天线元件的方法和装置
    • US20120263077A1
    • 2012-10-18
    • US13530716
    • 2012-06-22
    • Xiangning XuJianfeng Wu
    • Xiangning XuJianfeng Wu
    • H04L5/14
    • H04B1/0057H04B1/005H04B1/52
    • A method and an apparatus for multiplexing an antenna element, and an antenna component can reduce power loss caused by multiplexing of the antenna element. The apparatus includes an antenna element, a filter, and a DUP. The antenna element is connected to the filter and the DUP separately, and a suppression band of the filter includes a bandpass band of the DUP. The filter is configured to filter the signals sent by the antenna element and the DUP and/or the signals to be sent to the antenna element and the DUP to make signals of a first band pass through. The DUP is configured to filter the signals sent by the antenna element and the filter and/or the signals to be sent to the antenna element and the filter to make signals of a second band pass through.
    • 天线元件和天线部件的复用方法和装置可以减少天线元件的多路复用引起的功率损耗。 该装置包括天线元件,滤波器和DUP。 天线元件分别连接到滤波器和DUP,滤波器的抑制频带包括DUP的带通带。 滤波器被配置为对天线元件和DUP发送的信号和/或要发送到天线元件和DUP的信号进行滤波,以使第一频带的信号通过。 DUP被配置为对由天线元件和滤波器发送的信号和/或要发送到天线元件和滤波器的信号进行滤波,以使第二频带的信号通过。