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    • 1. 发明授权
    • Mounting device for mounting a peripheral device on an electronic apparatus
    • 用于将外围设备安装在电子设备上的安装装置
    • US06496363B1
    • 2002-12-17
    • US09867310
    • 2001-05-29
    • Chun-Liang Li
    • Chun-Liang Li
    • G06F116
    • G06F1/184G06F1/187
    • A mounting device for mounting a peripheral device on a casing of an electronic apparatus includes a pair of spaced-apart upright mounting plates, each having a lower edge adapted to be fixed to a base plate of the casing, and each being formed with a mounting recess on one side confronting the other mounting plate. The mounting recess is defined by a pair of upright clamping walls and a connecting wall which interconnects the clamping walls. Each of a pair of anchoring members has an upright engaging wall formed with an engaging projection adapted to engage a respective outer side wall of the casing, and a pair of wing portions extending transversely, from the engaging wall. The anchoring members are inserted respectively into the mounting recesses via open upper ends of the latter, and are clamped between the clamping walls of the respective mounting recess.
    • 用于将外围设备安装在电子设备的壳体上的安装装置包括一对间隔开的直立安装板,每个安装板具有适于固定到壳体的底板的下边缘,并且每个安装板形成有安装 在一侧面对着另一个安装板的凹槽。 安装凹部由一对直立的夹紧壁和连接夹紧壁的连接壁限定。 一对锚固构件中的每一个具有竖立的接合壁,其形成有接合突起,该接合突起适于接合壳体的相应的外侧壁以及从接合壁横向延伸的一对翼部。 锚固构件通过其后部的敞开的上端分别插入到安装凹部中,并且夹紧在相应的安装凹部的夹紧壁之间。
    • 2. 发明授权
    • Testing device including low-pass filter with automatically switching function
    • 测试装置包括具有自动切换功能的低通滤波器
    • US07804289B2
    • 2010-09-28
    • US12237345
    • 2008-09-24
    • Chun-Liang Li
    • Chun-Liang Li
    • G01R23/02
    • G01R15/125
    • A testing device including low-pass filter with automatically switching function is disclosed in the present invention, comprising: a control circuit used to control the operation of the testing device and provide a reference frequency (Fr); a frequency detection circuit, connected to the input end and the control circuit and used to output a high frequency control signal; a low-pass filter connected to the frequency detection circuit, used to filter the testing signal of the input end to output a frequency signal; a frequency evaluation circuit connected to the control circuit and to the frequency signal outputted from the low-pass filter, the frequency evaluation circuit outputting a medium frequency control signal to the low-pass filter and outputting a frequency testing value to a display at the same time; and a voltage measuring circuit, connected to the low-pass filter and the control circuit and used to output a voltage measuring value to the display.
    • 本发明公开了一种包括具有自动切换功能的低通滤波器的测试装置,包括:用于控制测试装置的操作并提供参考频率(Fr)的控制电路; 频率检测电路,连接到输入端和控制电路,用于输出高频控制信号; 连接到频率检测电路的低通滤波器,用于滤波输入端的测试信号以输出频率信号; 连接到控制电路的频率评估电路和从低通滤波器输出的频率信号,频率评估电路向低通滤波器输出中频控制信号,并将频率测试值输出到相同的显示器 时间; 以及电压测量电路,连接到低通滤波器和控制电路,并用于向显示器输出电压测量值。
    • 3. 发明授权
    • Intelligent multi-meter with automatic function selection
    • 智能万用表具有自动功能选择
    • US07746092B2
    • 2010-06-29
    • US12237335
    • 2008-09-24
    • Chun-Liang Li
    • Chun-Liang Li
    • G01R31/02G01R15/08
    • G01R15/125
    • A measuring device with the function of automatically determining the type of device under test (DUT) and selecting measuring function. The measuring device having a controller for sequentially providing a plurality of checking phases; a protection circuit connecting to input end and protecting the measuring device; a switch composed of a plurality of test circuits, being connected to the controller and sequentially connecting the plurality of test circuits with the output end of the protection circuit; a plurality of DUT type detectors, connecting to the switch and comparing the voltage of input end sequentially through a plurality of comparison circuits, transmitting the result of comparison to the controller for determining the type of DUT; and a measurement unit connecting to the controller, measuring the DUT according to the result of determination of the controller and displaying the result of measurement on a display.
    • 具有自动确定被测设备(DUT)类型并选择测量功能的测量设备。 该测量装置具有顺序地提供多个检查阶段的控制器; 连接到输入端并保护测量装置的保护电路; 由多个测试电路组成的开关,连接到控制器,并且将多个测试电路与保护电路的输出端顺序连接; 多个DUT型检测器,连接到开关,并通过多个比较电路顺序地比较输入端的电压,将比较结果传送给用于确定DUT类型的控制器; 以及连接到控制器的测量单元,根据控制器的确定结果测量DUT并在显示器上显示测量结果。