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    • 3. 发明申请
    • Frequency offset differential pulse position modulation
    • 频偏补偿差分脉冲位置调制
    • US20070086327A1
    • 2007-04-19
    • US11504249
    • 2006-08-14
    • John LangleyMichael Mancusi
    • John LangleyMichael Mancusi
    • H04J9/00
    • H04W16/14H04B14/026H04B14/066H04L1/1685H04L1/188H04L1/1887H04L5/06H04L25/4902H04L27/2601H04W36/06H04W84/18
    • The present invention provides such a need by utilizing a frequency offset differential pulse position modulation scheme to transmit data between computing devices within a wireless network system. The differential pulse position modulation component of the scheme enables the present invention to provide relative immunity to interference for the system. In particular, such immunity from interference is achieved by utilizing a blanking time between pulse positions, which is large enough to allow the interference between frequency offset—differential pulse position modulation pulses to subside. The frequency offset component of the scheme enables the system to utilize multiple frequency channels to enable the system to achieve higher data rates. In particular, by utilizing a time offset between the frequency channels, the blanking time can be reduced, thereby increasing the amount of data that can be transmitted with a set period of time.
    • 本发明提供了通过利用频率偏移差分脉冲位置调制方案来在无线网络系统内的计算设备之间传输数据的需要。 该方案的差分脉冲位置调制组件使得本发明能够提供对系统的干扰的相对抗扰性。 特别地,通过利用脉冲位置之间的消隐时间来实现这种抗干扰性,其足够大以允许频率偏移 - 差分脉冲位置调制脉冲之间的干扰消失。 该方案的频率偏移分量使得系统能够利用多个频率信道来使得系统能够实现更高的数据速率。 特别地,通过利用频道之间的时间偏移,可以减少消隐时间,从而增加在一段时间内可以发送的数据量。
    • 6. 发明申请
    • Multi-source ambient energy power supply for embedded devices or remote sensor or RFID networks
    • 用于嵌入式设备或远程传感器或RFID网络的多源环境能量电源
    • US20070107766A1
    • 2007-05-17
    • US11273224
    • 2005-11-12
    • John LangleyBoy LiawScott Weeker
    • John LangleyBoy LiawScott Weeker
    • H02K7/18H02J7/00H02N6/00
    • H02J50/10H01F17/045H02J7/025H02J17/00H02K7/18H02S99/00
    • An ambient electromagnetic energy collector has a magnetic core of high permeability ferromagnetic material wrapped in an inductor coil for coupling primarily to a magnetic field component of a propagating transverse electromagnetic (TEM) wave. For coupling to electromagnetic waves of a wide range of frequencies and magnitudes, the collector is coupled to a multi-phase transformer connected to a multi-phase diode voltage multiplier to provide a current source output to an associated energy storage device. An output controller supplies output power as needed to the associated energy-using device. Preferred types of ferromagnetic materials include nickel-iron alloys with a small percentage of silicon, molybdenum, or copper. It may be combined with other types of ambient energy collectors, such as acoustic/vibration, thermoelectric, and photovoltaic collectors, in a multi-source device provided with a collector interface for converting the different outputs for storage in a common energy storage device. The multi-source ambient energy collector device can be used to supply power to embedded devices, remotely deployed wireless sensors or RFID tags, and other types of monitoring devices distributed over large areas or in industrial environments.
    • 环境电磁能量收集器具有缠绕在电感线圈中的高磁导率铁磁材料的磁芯,主要耦合到传播横向电磁(TEM)波的磁场分量。 为了耦合到宽范围的频率和幅度的电磁波,集电极耦合到连接到多相二极管电压倍增器的多相变压器以向相关联的能量存储装置提供电流源输出。 输出控制器根据需要向相关联的能量使用装置提供输出功率。 优选的铁磁材料类型包括具有小百分比的硅,钼或铜的镍 - 铁合金。 在具有用于将不同输出转换成用于存储在共同的能量存储装置中的收集器界面的多源装置中,它可以与其他类型的环境能量收集器(例如声/振动,热电和光电收集器)组合。 多源环境能量收集器装置可用于为嵌入式设备,远程部署的无线传感器或RFID标签以及分布在大面积或工业环境中的其他类型的监控设备供电。