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    • 2. 发明授权
    • Methods and apparatus for preventing deadbands in an optical communication system
    • 用于防止光通信系统中死区的方法和装置
    • US06552834B2
    • 2003-04-22
    • US09784675
    • 2001-02-15
    • Vikram BhatiaRobert W. HallockJames M. HarrisEdward MurphyDerek E. Spock
    • Vikram BhatiaRobert W. HallockJames M. HarrisEdward MurphyDerek E. Spock
    • H04J1402
    • H04J14/0213H04J14/0209H04J14/021H04J14/0216H04J14/0221
    • Methods and apparatus for combining, adding, and/or dropping channels in optical communication systems that utilize thin film filters without the creation of deadbands, using fiber Bragg gratings and additional thin film optical filters, are described. According to one aspect of the invention, an optical filter is used to drop a wavelength range from an optical signal. Prior to the optical signal entering the optical filter, one or more fiber Bragg gratings and an optical circulator are used reflects a portion of the communications spectrum which would normally lie with the deadband region of the optical filter. According to another aspect of the present invention, an optical filter is used to combine a first optical signal and a second optical signal to form a combined optical signal. Neither the first optical signal nor the second optical signal includes channels within a deadband region of the optical filter. One or more fiber Bragg gratings and an optical circulator or a coupler are used to add a third optical signal to the combined optical signal. The third optical signal includes signal wavelengths within the deadband region of the optical filter.
    • 描述了使用光纤布拉格光栅和附加的薄膜光学滤波器来组合,添加和/或丢弃利用薄膜滤波器而不产生死区的光通信系统中的信道的方法和装置。 根据本发明的一个方面,使用滤光器来从光信号中降低波长范围。 在进入光学滤波器的光信号之前,使用一个或多个光纤布拉格光栅和光环行器来反映通常与光滤波器的死区区域通常存在的一部分通信光谱。 根据本发明的另一方面,光滤波器用于组合第一光信号和第二光信号以形成组合的光信号。 第一光信号和第二光信号都不包括在滤光器的死区内的通道。 使用一个或多个光纤布拉格光栅和光环行器或耦合器将第三光信号加到组合光信号上。 第三光信号包括在滤光器的死区内的信号波长。
    • 6. 发明授权
    • Apparatus and method for tools for mathematics instruction
    • 数学指导工具的装置和方法
    • US08790119B2
    • 2014-07-29
    • US12960337
    • 2010-12-03
    • Arjan KhalsaEdward Murphy
    • Arjan KhalsaEdward Murphy
    • G09B19/02
    • G09B3/02G09B19/02G09B19/025
    • In a computer-implemented educational environment, four particular features are provided, which may be used separately or in combination, to drive the instruction of a particular curriculum, e.g. the instruction of fractions. In another implementation, educators and authors may use permutations and combinations of such features to construct in a graphical user interface a progression of interactive elements which help guide a student from visual concepts to procedures, such as equations and formulas. In a particular implementation, by using these features carefully, a curriculum author may design instructional sequences that provide careful, step-by-step sequences that help students progress from understanding the visual concepts, e.g. of fractions, to mastering procedures, e.g. fractions equations.
    • 在计算机实现的教育环境中,提供了四个特定特征,其可以单独使用或组合使用以驱动特定课程的指导,例如, 分数的说明。 在另一个实现中,教育者和作者可以使用这些特征的置换和组合来在图形用户界面中构建交互元素的进程,这些交互元素有助于将学生从视觉概念引导到诸如方程式和公式的过程。 在一个特定的实现中,通过仔细使用这些功能,课程作者可以设计教学顺序,提供仔细的逐步序列,帮助学生从理解视觉概念进步。 的分数,到掌握程序,例如 分数方程。
    • 10. 发明申请
    • ROBUST MULTILAYER ENCAPSULATION AND STORAGE OF ATOMIC WASTE
    • 原子级废弃物的稳定多层包埋和储存
    • US20140155675A1
    • 2014-06-05
    • US14119870
    • 2011-05-29
    • Edward Murphy
    • Edward Murphy
    • G21F9/00G21F5/005G21F9/16
    • G21F9/008G21F1/12G21F5/005G21F9/16G21F9/305
    • The invention includes a radioactive waste containment system for containing a radioactive waste material. The radioactive waste containment system includes a radioactive waste containment system outermost exterior containment layer comprised of an exterior containment layer glass material having an exterior containment layer property. The radioactive waste containment system includes a radioactive waste containment system adjacent interior containment layer, the adjacent interior containment layer comprised of an adjacent interior containment layer glass material having an adjacent interior containment layer property, the radioactive waste containment system adjacent interior containment layer is fused with the radioactive waste containment system outermost exterior containment layer with the properties not equal wherein the fused adjacent interior containment layer and the radioactive waste containment system outermost exterior containment layer are in compression.
    • 本发明包括用于容纳放射性废料的放射性废物容纳系统。 放射性废物容纳系统包括放射性废物容纳系统,最外部的外部容纳层,其由具有外部容纳层性质的外部容纳层玻璃材料组成。 放射性废物容纳系统包括邻近内部容纳层的放射性废物容纳系统,相邻的内部容纳层由具有相邻内部容纳层性质的相邻内部容纳层玻璃材料组成,邻近内部容纳层的放射性废物容纳系统与 放射性废物容纳系统最外面的外部容纳层具有不相等的特性,其中熔融的相邻的内部容纳层和放射性废物容纳系统的外部外部包容层处于压缩状态。