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    • 1. 发明授权
    • Precision spacecraft payload platforms
    • 精密航天器有效负载平台
    • US07547870B2
    • 2009-06-16
    • US11400874
    • 2006-04-10
    • Ketao LiuGregory S. BeckerPeter J. SedivecDouglas Bender
    • Ketao LiuGregory S. BeckerPeter J. SedivecDouglas Bender
    • G01C21/02G01N21/86G01B11/26B64G1/36
    • G01S5/163G01B11/272
    • One or more fixed-orientation fanned laser beams and one or more displacement measurement devices to precisely measure the orientation of a payload platform are disclosed in a metrology system and method. The measurement devices may be distributed at locations across a payload platform such that displacement changes of these devices can be used to accurately determine platform pointing. Laser beam transmitters may be fixed in the same reference block to which a spacecraft attitude sensor is mounted. Fanned laser beams are transmitted from these sources to the measurement devices so that their displacements can be determined with respect to the plane of the fanned beams and thereby with respect to the spacecraft attitude sensor. Only a small number of fixed laser beams are needed to achieve precision measurements at a reduced cost, weight and power, and with increased system reliability and simplified system integration.
    • 计量系统和方法中公开了一种或多种固定方向的扇形激光束和一个或多个位移测量装置来精确地测量有效负载平台的取向。 测量设备可以分布在有效负载平台上的位置,使得这些设备的位移变化可以用于准确地确定平台指向。 激光束发射器可以固定在安装有航天器姿态传感器的相同参考块中。 扇形激光束从这些源传输到测量装置,使得它们的位移可以相对于扇形光束的平面,从而相对于航天器姿态传感器确定。 只需要少量的固定激光束,以降低成本,重量和功率,以及更高的系统可靠性和简化的系统集成来实现精密测量。
    • 5. 发明申请
    • Precision spacecraft payload platforms
    • 精密航天器有效负载平台
    • US20070210266A1
    • 2007-09-13
    • US11400874
    • 2006-04-10
    • Ketao LiuGregory BeckerPeter SedivecDouglas Bender
    • Ketao LiuGregory BeckerPeter SedivecDouglas Bender
    • G01N21/86
    • G01S5/163G01B11/272
    • One or more fixed-orientation fanned laser beams and one or more displacement measurement devices to precisely measure the orientation of a payload platform are disclosed in a metrology system and method. The measurement devices may be distributed at locations across a payload platform such that displacement changes of these devices can be used to accurately determine platform pointing. Laser beam transmitters may be fixed in the same reference block to which a spacecraft attitude sensor is mounted. Fanned laser beams are transmitted from these sources to the measurement devices so that their displacements can be determined with respect to the plane of the fanned beams and thereby with respect to the spacecraft attitude sensor. Only a small number of fixed laser beams are needed to achieve precision measurements at a reduced cost, weight and power, and with increased system reliability and simplified system integration.
    • 计量系统和方法中公开了一种或多种固定方向的扇形激光束和一个或多个位移测量装置来精确地测量有效负载平台的取向。 测量设备可以分布在有效负载平台上的位置,使得这些设备的位移变化可以用于准确地确定平台指向。 激光束发射器可以固定在安装有航天器姿态传感器的相同参考块中。 扇形激光束从这些源传输到测量装置,使得它们的位移可以相对于扇形光束的平面,从而相对于航天器姿态传感器确定。 只需要少量的固定激光束,以降低成本,重量和功率,以及更高的系统可靠性和简化的系统集成来实现精密测量。
    • 8. 发明申请
    • Portable VoIP Service Access Module
    • 便携式VoIP服务访问模块
    • US20080025291A1
    • 2008-01-31
    • US11833610
    • 2007-08-03
    • Robb BarkleyMark BakerDouglas Bender
    • Robb BarkleyMark BakerDouglas Bender
    • H04L12/66
    • H04L29/06027H04L12/2854H04L65/1083H04M1/2535
    • A voice over IP (VoIP) softphone access module (VSAM) comprises a softphone client installed on a portable memory device (PMD). The softphone client is installed in its own read-only partition. The softphone client is adapted to autorun from the PMD when the PMD is connected to a computing device and to load an instance of the softphone client in the volatile memory of the computing device. When used with a computing device comprising a duplex audio system with analog-to-digital conversion and an Internet connection, the VSAM permits a VoIP service subscriber to send and receive VoIP telephone calls through a VoIP service provider gateway. The VSAM may be associated with an activation code that when sent to the VoIP service provider gateway associates a user with pre-paid softphone usage credits. Alternatively, the softphone client is installed on CD.
    • IP语音(VoIP)软电话接入模块(VSAM)包括安装在便携式存储设备(PMD)上的软电话客户端。 软电话客户端安装在其自己的只读分区中。 当PMD连接到计算设备并且将软电话客户端的实例加载到计算设备的易失性存储器中时,软电话客户端适于从PMD自动运行。 当与包括具有模数转换和因特网连接的双工音频系统的计算设备一起使用时,VSAM允许VoIP服务订户通过VoIP服务提供商网关发送和接收VoIP电话呼叫。 VSAM可以与激活码相关联,当发送到VoIP服务提供商网关时,用户将用户与预付费软电话使用信用相关联。 或者,软电话客户端安装在CD上。