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    • 6. 发明授权
    • Ventilator control system and method
    • 呼吸机控制系统及方法
    • US5931160A
    • 1999-08-03
    • US569919
    • 1995-12-08
    • Don GilmoreDouglas JohnstonGary Schroeder
    • Don GilmoreDouglas JohnstonGary Schroeder
    • A61M16/00
    • A61M16/0051A61M16/00A61M16/0009A61M16/0012A61M16/0081A61M2016/0021A61M2016/0039A61M2016/0042A61M2205/505
    • A ventilator control system controls a ventilator pneumatic system in a medical ventilator. The ventilator control system includes a user interface, a memory and a processor. The user interface receives input values from a user for setting one or more breath parameters within a set of breath parameters. The user interface can include a display for displaying the status of the patient's pulmonary system and the set of breath parameters. The memory stores the set of breath parameters after the user has set one or more breath parameters to desired input values. The processor simultaneously adjusts a plurality of controls within a ventilator pneumatic system in response to the set of breath parameters. The user can change or implement new phases, breaths, modes or therapies in seconds such that the therapy delivered to the patient is essentially uninterrupted. Also, a simulator may be provided for predicting the status of the patient's pulmonary system prior to adjusting the plurality of controls. The predicted status may be displayed adjacent the current status on the display.
    • 呼吸机控制系统控制医用呼吸机中的呼吸机气动系统。 呼吸机控制系统包括用户接口,存储器和处理器。 用户接口从用户接收输入值以设置一组呼吸参数内的一个或多个呼吸参数。 用户界面可以包括用于显示患者肺部系统的状态和一组呼吸参数的显示器。 在用户将一个或多个呼吸参数设置为所需的输入值之后,存储器存储一组呼吸参数。 处理器响应于一组呼吸参数而同时调节呼吸机气动系统内的多个控制。 用户可以在几秒钟内改变或实施新的阶段,呼吸,模式或疗法,使得递送给患者的治疗基本上不中断。 此外,可以提供模拟器用于在调整多个控制之前预测患者的肺部系统的状态。 可以在显示器上的当前状态附近显示预测状态。
    • 9. 发明授权
    • Electronic circuit for tuning vibratory transducers
    • 用于调谐振动传感器的电子电路
    • US06417659B1
    • 2002-07-09
    • US09639048
    • 2000-08-15
    • Gary Schroeder
    • Gary Schroeder
    • G01R2308
    • H04R29/001
    • A method and self-tuning circuit for tuning vibratory transducers, broadly including electroacoustic speakers and specifically including the speakers of common back-up alarms used for safety reasons on commercial vehicles and heavy equipment. The self-tuning circuit is physically coupled to the transducer's input terminals and operates by comparing the rising and falling edges of one period of a test waveform elicited from the transducer by the application of a test signal having a test frequency. Depending on the results of this comparison, the test frequency is adjusted by predetermined increments upward or downward until the transducer's resonance frequency has been tightly bracketed though not exactly pinpointed.
    • 一种用于调谐振动换能器的方法和自调谐电路,广泛地包括电声扬声器,并且特别包括用于商业车辆和重型设备的安全原因的常见备用警报器的扬声器。 自调谐电路物理耦合到换能器的输入端,并通过比较通过应用具有测试频率的测试信号从换能器引出的测试波形的一个周期的上升沿和下降沿来进行操作。 根据该比较的结果,测试频率以预定增量向上或向下调整,直到传感器的共振频率已被紧紧地包围,尽管未精确定位。