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    • 3. 发明授权
    • System and method for selecting a power supply source
    • 选择电源的系统和方法
    • US08772966B1
    • 2014-07-08
    • US13110162
    • 2011-05-18
    • Abhishek AgrawalPriyank Shukla
    • Abhishek AgrawalPriyank Shukla
    • H02J1/00H02J3/00
    • H02J1/08H02J1/108Y10T307/696
    • A power supply source selection circuit is provided with a comparator and a switch. The comparator has an input to accept a first reference voltage directly proportional to a bandgap reference voltage. For example, the bandgap voltage may be derived from a battery voltage. The comparator has an input to accept a second reference voltage directly proportional to a first supply voltage (e.g., a line voltage), and an output to supply a switch signal in response to comparing the second reference voltage to the first reference voltage. The switch has an input to accept the first supply voltage, an input to accept a second supply voltage, and input to accept the switch signal. The switch has an output to supply a third supply voltage to a regulator. The third voltage has a voltage potential less than or equal to a maximum voltage value. The switch selects between the first supply voltage and the second supply voltage in response to the switch signal.
    • 电源选择电路设有比较器和开关。 比较器具有接收与带隙参考电压成正比的第一参考电压的输入。 例如,带隙电压可以从电池电压导出。 比较器具有输入以接受与第一电源电压(例如,线路电压)成正比的第二参考电压,以及响应于将第二参考电压与第一参考电压进行比较而提供开关信号的输出。 该开关具有接受第一电源电压的输入端,接受第二电源电压的输入端,并接受开关信号的输入。 该开关具有向调节器提供第三电源电压的输出。 第三电压具有小于或等于最大电压值的电压电位。 该开关响应于开关信号在第一电源电压和第二电源电压之间进行选择。
    • 7. 发明授权
    • Ankle-foot orthosis device
    • 踝足矫形装置
    • US07878993B2
    • 2011-02-01
    • US11453386
    • 2006-06-15
    • Sunil K. AgrawalAbhishek AgrawalSai BanalaStuart Binder-MacLeod
    • Sunil K. AgrawalAbhishek AgrawalSai BanalaStuart Binder-MacLeod
    • A61H1/00A61H1/02A61H5/00A61F5/00
    • A61F5/0127A61F2005/0132A61F2005/0134
    • An ankle-foot orthosis comprising a leg member 12; a foot member 14; a frame 16 connecting the leg member to the foot member, wherein the frame comprises a first revolute joint 18 that rotates about a first axis 20 and a second revolute joint 22 that rotates about a second axis 24, wherein the first and second axes are non-parallel. The frame can further comprise a foot member segment 30 secured to the foot member 14 and extending to the second revolute joint 22. The orthosis can comprise a first force-torque sensor 36 located on the leg member, a second force-torque sensor 38 located on the foot member, and an encoder positioned on one of the revolute joints. The invention includes a method of measuring ankle-foot-related forces comprising positioning a subject's leg and foot in an ankle-foot orthosis; collecting data from the first and second force-torque sensors; and analyzing the collected data to determine the motion of the subject's ankle.
    • 踝足矫形器,包括腿部构件12; 脚部件14; 框架16,其将腿部构件连接到脚构件,其中框架包括围绕第一轴线20旋转的第一旋转接头18和围绕第二轴线24旋转的第二旋转接头22,其中第一和第二轴线不是 -平行。 框架还可以包括固定到脚构件14并延伸到第二旋转接头22的脚构件段30.矫形器可以包括位于腿构件上的第一力 - 扭矩传感器36,位于 并且位于一个旋转接头上的编码器。 本发明包括测量踝关节相关力的方法,包括将受试者的腿和脚定位在踝足矫形器中; 从第一和第二力矩传感器收集数据; 并分析收集的数据以确定受试者的脚踝的运动。
    • 9. 发明申请
    • Ankle-foot orthosis device
    • 踝足矫形装置
    • US20070049858A1
    • 2007-03-01
    • US11453386
    • 2006-06-15
    • Sunil AgrawalAbhishek AgrawalSai BanalaStuart Binder-MacLeod
    • Sunil AgrawalAbhishek AgrawalSai BanalaStuart Binder-MacLeod
    • A61F5/00
    • A61F5/0127A61F2005/0132A61F2005/0134
    • An ankle-foot orthosis comprising a leg member 12; a foot member 14; a frame 16 connecting the leg member to the foot member, wherein the frame comprises a first revolute joint 18 that rotates about a first axis 20 and a second revolute joint 22 that rotates about a second axis 24, wherein the first and second axes are non-parallel. The frame can further comprise a foot member segment 30 secured to the foot member 14 and extending to the second revolute joint 22. The orthosis can comprise a first force-torque sensor 36 located on the leg member, a second force-torque sensor 38 located on the foot member, and an encoder positioned on one of the revolute joints. The invention includes a method of measuring ankle-foot-related forces comprising positioning a subject's leg and foot in an ankle-foot orthosis; collecting data from the first and second force-torque sensors; and analyzing the collected data to determine the motion of the subject's ankle.
    • 踝足矫形器,包括腿部构件12; 脚部件14; 框架16,其将腿部构件连接到脚构件,其中框架包括围绕第一轴线20旋转的第一旋转接头18和围绕第二轴线24旋转的第二旋转接头22,其中第一和第二轴线不是 -平行。 框架还可以包括固定到脚部件14并延伸到第二旋转接头22的脚部件段30。 矫形器可以包括位于腿部构件上的第一力矩传感器36,位于脚部件上的第二力矩传感器38和位于旋转关节之一上的编码器。 本发明包括测量踝关节相关力的方法,包括将受试者的腿和脚定位在踝足矫形器中; 从第一和第二力矩传感器收集数据; 并分析收集的数据以确定受试者的脚踝的运动。