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    • 14. 发明授权
    • Method and system for installing and operating discrete multi tone repeaters
    • 安装和运行离散多音调中继器的方法和系统
    • US09100176B2
    • 2015-08-04
    • US13140825
    • 2009-12-23
    • Ioannis KanellakopoulosAmit Priebatch
    • Ioannis KanellakopoulosAmit Priebatch
    • H04L5/14H04B3/36H04L5/00H04L25/02
    • H04L5/1461H04B3/36H04L5/0007H04L25/022
    • A system and method for providing a service over a repeatered link that couples a service provider transceiver to a remote modem, the method includes: computing, for each frequency bin out of multiple frequency bins of a spectrum, a level of far-end cross-talk (FEXT) interference that is generated to a network-side receiver of a frequency division multiplexing (FDM) discrete multi tone (DMT) repeater by a service provider transmitter that provides an FDM DMT service that is supported by the FDM DMT repeater; computing, for each frequency bins out of the multiple frequency bins, a highest allowable transmit power level of a customer-side transmitter of the FDM DMT repeater that generates to the network-side receiver of the FDM DMT repeater a cross-talk interference that does not exceed a level of FEXT interference that is generated to the network-side receiver of the FDM DMT repeater by the service provider transmitter.
    • 一种用于通过将服务提供商收发器耦合到远程调制解调器的中继链路来提供服务的系统和方法,所述方法包括:针对频谱的多个频率仓中的每个频率仓,计算远端交叉的水平, (FEXT)干扰,其由提供由FDM DMT中继器支持的FDM DMT服务的服务提供商发射机对频分复用(FDM)离散多音调(DMT)中继器的网络侧接收机产生; 对于每个频率,为多个频率仓中的每个频段进行计算,是FDM DMT中继器的客户端发射机的最大可允许发射功率电平,其向FDM DMT中继器的网络侧接收机产生一个串扰干扰 不超过由服务提供商发送器向FDM DMT中继器的网络侧接收机产生的FEXT干扰水平。
    • 15. 发明授权
    • Magnetic suspension transducer
    • 磁悬浮传感器
    • US08942409B2
    • 2015-01-27
    • US11628395
    • 2005-06-03
    • Kenneth L. KantorIoannis KanellakopoulosAlireza Jabbari
    • Kenneth L. KantorIoannis KanellakopoulosAlireza Jabbari
    • H04R25/00H04R9/02
    • H04R1/00H04R9/025H04R9/06H04R9/066H04R11/02H04R25/00H04R2209/041
    • An improved electrodynamic acoustic transducer eliminates or reduces the need for flexible or elastic materials to suspend an internal magnetic element by using both static and dynamic signal-dependent magnetic fields to control its movement. In one implementation, the transducer has a magnet that moves within a surrounding tube. This tube in turn supports one or more electromagnetic coils that generate a dynamic signal-dependent magnetic field that causes the internal magnetic element to vibrate. The surrounding tube also supports one or more magnets whose location on the tube is fixed and whose magnetic fields provide appropriate restoring forces acting on the internal magnetic element. These fixed magnets may be replaced or supplemented by ferromagnetic materials. This transducer may provide sound and infrasonic vibration by coupling the internal magnetic element to other radiating elements or by being placed in close proximity to or in actual contact with the pinna or meatus of the human ear when used in headphones or earphones, for example, and it also may provide sound through the direct vibration of the air in contact with the surface of the internal magnetic element. When direct atmospheric coupling is not required, the transducer may be assembled in a sealed enclosure.
    • 改进的电动声学换能器通过使用静态和动态信号相关磁场来控制其运动来消除或减少对柔性或弹性材料悬挂内部磁性元件的需要。 在一个实施方案中,换能器具有在周围管内移动的磁体。 该管又支持一个或多个电磁线圈,其产生导致内部磁性元件振动的动态信号相关磁场。 周围管还支撑一个或多个磁体,其位于管上的位置是固定的,并且其磁场提供作用在内部磁性元件上的合适的恢复力。 这些固定磁体可以被铁磁材料代替或补充。 该传感器可以通过将内部磁性元件耦合到其它辐射元件或者当用于耳机或耳机时被放置在与人耳的耳廓或耳道紧密接触或实际接触的位置时,提供声音和次声振动,例如, 也可以通过与内部磁性元件的表面接触的空气的直接振动来提供声音。 当不需要直接大气耦合时,传感器可以组装在密封的外壳中。
    • 17. 发明申请
    • METHOD AND SYSTEM FOR INSTALLING AND OPERATING DISCRETE MULTI TONE REPEATERS
    • 用于安装和操作离散多音调播放器的方法和系统
    • US20120020277A1
    • 2012-01-26
    • US13140825
    • 2009-12-23
    • Ioannis KanellakopoulosAmit Priebatch
    • Ioannis KanellakopoulosAmit Priebatch
    • H04W88/02
    • H04L5/1461H04B3/36H04L5/0007H04L25/022
    • A system and method for providing a service over a repeatered link that couples a service provider transceiver to a remote modem, the method includes: computing, for each frequency bin out of multiple frequency bins of a spectrum, a level of far-end cross-talk (FEXT) interference that is generated to a network-side receiver of a frequency division multiplexing (FDM) discrete multi tone (DMT) repeater by a service provider transmitter that provides an FDM DMT service that is supported by the FDM DMT repeater; computing, for each frequency bins out of the multiple frequency bins, a highest allowable transmit power level of a customer-side transmitter of the FDM DMT repeater that generates to the network-side receiver of the FDM DMT repeater a cross-talk interference that does not exceed a level of FEXT interference that is generated to the network-side receiver of the FDM DMT repeater by the service provider transmitter.
    • 一种用于通过将服务提供商收发器耦合到远程调制解调器的中继链路来提供服务的系统和方法,所述方法包括:针对频谱的多个频率仓中的每个频率仓,计算远端交叉的水平, (FEXT)干扰,其由提供由FDM DMT中继器支持的FDM DMT服务的服务提供商发射机对频分复用(FDM)离散多音调(DMT)中继器的网络侧接收机产生; 对于每个频率,为多个频率仓中的每个频段进行计算,是FDM DMT中继器的客户端发射机的最大可允许发射功率电平,其向FDM DMT中继器的网络侧接收机产生一个串扰干扰 不超过由服务提供商发送器向FDM DMT中继器的网络侧接收机产生的FEXT干扰水平。