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    • 31. 发明授权
    • Apparatus and method for high-speed determination of bioelectric electrode impedances
    • 用于高速确定生物电极阻抗的装置和方法
    • US08089283B2
    • 2012-01-03
    • US12186832
    • 2008-08-06
    • Richard KaplanYing WangKenneth Loparo
    • Richard KaplanYing WangKenneth Loparo
    • G01R31/08G01R27/08G01R27/00A61B5/02A61B5/053
    • A61B5/0476A61B5/6843
    • Apparatuses and methods are provided for determining electrode impedances of a bioelectric signal-monitoring/recording system that includes an amplifier, and electrodes connected between a subject and the amplifier. An example apparatus includes: a voltage source outputting a voltage signal; a switching arrangement including an input electrically connected with the voltage source for receiving the voltage signal, an output electrically connected with the amplifier and the electrodes, and switches between the input and the output; and a controller in communication with the switches for opening and closing the switches to establish signal paths between the voltage source and the output, the controller calculating the electrode impedances relative to voltage outputs of the amplifier for each signal path.
    • 提供了用于确定包括放大器和连接在被摄体和放大器之间的电极的生物电信号监测/记录系统的电极阻抗的装置和方法。 示例性装置包括:输出电压信号的电压源; 开关装置,包括与用于接收电压信号的电压源电连接的输入端,与放大器和电极电连接的输出,以及输入和输出之间的切换; 以及与开关通信的控制器,用于打开和闭合开关以在电压源和输出之间建立信号路径,控制器针对每个信号路径计算相对于放大器的电压输出的电极阻抗。