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    • 3. 发明申请
    • COMMUNICATION SYSTEM WITH ANTENNA BOX AMPLIFIER
    • 具有天线盒放大器的通信系统
    • WO2009111255A1
    • 2009-09-11
    • PCT/US2009/035224
    • 2009-02-26
    • CardioMEMS, Inc.ELLIS, Michael G.
    • ELLIS, Michael G.
    • A61B5/00
    • A61B5/0031A61B2560/0219
    • A communication system for communicating with an implanted wireless sensor is provided. A transmit antenna element can propagate an energizing signal onto a communication medium and a receive antenna element can recover a responsive implanted sensor response signal. The antenna box (204) includes a power amplifier for amplifying the energizing signal and timing regeneration circuitry for detecting an end to signals and outputting control signals for selecting mode operation. The antenna box can receive the energizing signal from the antenna cable (208) in a transmit mode and provide the implanted sensor response signal to the antenna cable in a receive mode. The antenna box can communicate with an electronic box (210) and/or conversion box (206) that provide and receive signals and provide power via the antenna cable.
    • 提供了一种用于与植入式无线传感器进行通信的通信系统。 发射天线元件可以将通电信号传播到通信介质上,并且接收天线元件可以恢复响应的植入传感器响应信号。 天线盒(204)包括用于放大激励信号的功率放大器和用于检测信号结束并输出用于选择模式操作的控制信号的定时再生电路。 天线盒可以以发射模式从天线电缆(208)接收激励信号,并以接收模式将植入的传感器响应信号提供给天线电缆。 天线盒可以与提供和接收信号并通过天线电缆提供电力的电子盒(210)和/或转换盒(206)通信。
    • 5. 发明申请
    • LOOSELY-COUPLED OSCILLATOR
    • LOOSELY耦合振荡器
    • WO2009025648A1
    • 2009-02-26
    • PCT/US2007/019050
    • 2007-08-30
    • CARDIOMEMS, INC.ELLIS, Michael G.
    • ELLIS, Michael G.
    • G01D5/12
    • A61B5/07A61B5/0008A61B5/03A61B2560/0219G01D5/12
    • Aspects and embodiments of the present invention provide a loosely-coupled oscillator including a sensor circuit and an electronic device that are not physically connected. In some embodiments, the electronic device includes an amplifier stage and a feedback network and the sensor circuit includes one or more LC circuits. When electromagnetically connected, the sensor circuit and electronic device form an oscillator that is adapted to output an oscillation signal. The resonant frequency of the sensor circuit can be obtained based on the oscillation signal. The sensor circuit may be implanted into an object and the resonant frequency of the sensor circuit can be used to determine characteristics of the object.
    • 本发明的方面和实施例提供了一种松散耦合振荡器,其包括传感器电路和未物理连接的电子设备。 在一些实施例中,电子设备包括放大器级和反馈网络,并且传感器电路包括一个或多个LC电路。 当电磁连接时,传感器电路和电子装置形成适于输出振荡信号的振荡器。 可以基于振荡信号获得传感器电路的谐振频率。 可以将传感器电路注入到物体中,并且可以使用传感器电路的谐振频率来确定物体的特性。