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    • 5. 发明授权
    • Inductor current measurement for DC to DC converters
    • DC-DC转换器的电感电流测量
    • US08159205B1
    • 2012-04-17
    • US12959456
    • 2010-12-03
    • Paul Walker Latham, IIMansur KiadehStewart Gall Kenly
    • Paul Walker Latham, IIMansur KiadehStewart Gall Kenly
    • G05F1/00
    • H02M3/158H02M3/156H02M2001/0009
    • A system includes an averaging module, a high pass filter module, a first estimation module, a sensing module, and a combining module. The averaging module receives an output voltage of a power supply and that generates an average output voltage. The high pass filter module receives an average switching voltage used to control switches in an output stage of the power supply and filters a difference between the average output voltage and the average switching voltage. The estimation module estimates a first filtered current through an inductor in the output stage based on an output of the high pass filter module. The sensing module senses voltage across the inductor and estimates a second current through the inductor. The low pass filter module filters the second current. The combining module combines the first filtered current and the second filtered current to generate an estimated current through the inductor.
    • 系统包括平均模块,高通滤波器模块,第一估计模块,感测模块和组合模块。 平均模块接收电源的输出电压并产生平均输出电压。 高通滤波器模块接收用于控制电源的输出级中的开关的平均开关电压,并且滤除平均输出电压和平均开关电压之间的差。 估计模块基于高通滤波器模块的输出来估计通过输出级中的电感器的第一滤波电流。 感测模块​​感测电感两端的电压,并估计通过电感器的第二个电流。 低通滤波器模块对第二电流进行滤波。 组合模块组合第一滤波电流和第二滤波电流以产生通过电感器的估计电流。
    • 6. 发明申请
    • Protective Covers for Wet Shaving Razors
    • 湿刮剃须刀防护罩
    • US20110203124A1
    • 2011-08-25
    • US12708769
    • 2010-02-19
    • Kelly Daniel BridgesVincent Paul Walker, JR.
    • Kelly Daniel BridgesVincent Paul Walker, JR.
    • B26B21/40
    • B26B21/4037
    • A shaving cartridge-cover assembly having a housing with a guard, a cap, a rear wall with at least one retention member, a front wall, and a pair of side walls. At least one blade is mounted to the housing between the guard and the cap. A protective cover has a top wall, a front wall and a rear wall that define a pair of opposing open ends. The housing has a dimension between the retention member and the front wall that is greater than an inner width of the open ends of the protective cover such that sliding one of the side walls of the housing into at least one of the open ends deflects the front and rear walls of the protective cover to facilitate mounting of the protective cover over the housing.
    • 剃须刀片盖组件,其具有带护罩的壳体,帽,具有至少一个保持构件的后壁,前壁和一对侧壁。 至少一个叶片安装在防护罩和盖子之间的壳体上。 保护盖具有限定一对相对的开口端的顶壁,前壁和后壁。 壳体在保持构件和前壁之间具有大于保护盖的开口端的内部宽度的尺寸,使得将壳体的侧壁中的一个滑动到至少一个开口端部使前部 和保护盖的后壁,以便于将保护盖安装在壳体上。