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    • 7. 发明申请
    • MULTIPLYING DIGITAL-TO-ANALOG CONVERTERS AND PIPELINE ANALOG-TO-DIGITAL CONVERTER USING THE SAME
    • 使用数字模拟转换器和管道模拟数字转换器
    • US20130033391A1
    • 2013-02-07
    • US13567777
    • 2012-08-06
    • Cong LIUYu-Kai CHOU
    • Cong LIUYu-Kai CHOU
    • H03M1/66
    • H03M1/804H03M1/164
    • A multiplying digital-to-analog converter (MDAC) is provided. The MDAC includes a sub DAC decoding circuit, a capacitor-switch circuit, and an operation amplifier circuit. The capacitor-switch circuit includes at least two sampling capacitor sets which are coupled in parallel. The number of sampling capacitors in one of the sampling capacitor sets is larger than or equal to two. Each sampling capacitor set is coupled to an analog-signal input quantity through a sampling switch and to a corresponding output terminal of the sub DAC decoding circuit through a decoding switch. The sub DAC decoding circuit decodes a digital quantity and outputs a corresponding analog signal at each output terminal, such that the corresponding analog signals are applied to the respective sampling capacitor sets through the decoding switches and summed by the respective sampling capacitor sets to obtain an analog-signal quantity corresponding to the digital quantity.
    • 提供了一个倍增的数模转换器(MDAC)。 MDAC包括子DAC解码电路,电容器开关电路和运算放大器电路。 电容器开关电路包括并联耦合的至少两个采样电容器组。 一个采样电容器组中的采样电容器的数量大于或等于2。 每个采样电容器组通过采样开关耦合到模拟信号输入量,并通过解码开关耦合到子DAC解码电路的相应输出端。 子DAC解码电路解码数字量并在每个输出端输出相应的模拟信号,使得相应的模拟信号通过解码开关施加到相应的采样电容器组,并由相应的采样电容器组相加,以获得模拟 - 与数字量对应的信号量。
    • 8. 发明申请
    • DUAL SLIDING ASSEMBLY
    • 双滑动装置
    • US20130000433A1
    • 2013-01-03
    • US13349679
    • 2012-01-13
    • CONG LIU
    • CONG LIU
    • F16H21/44
    • H04M1/0237Y10T74/18928
    • A sliding assembly includes a main body, a sliding element, a first elastic device and a second elastic device. The sliding element can slide relative to the main body in a first direction and a second direction. The first elastic device is rotatably fixed to the sliding element, the first elastic device providing a first elastic force driving the sliding element to slide relative to the main body in the first direction and the second direction. The second elastic device provides a second elastic force to lock the sliding element at different states.
    • 一种滑动组件包括主体,滑动元件,第一弹性装置和第二弹性装置。 滑动元件可以在第一方向和第二方向上相对于主体滑动。 第一弹性装置可旋转地固定到滑动元件,第一弹性装置提供驱动滑动元件的第一弹力,以沿第一方向和第二方向相对于主体滑动。 第二弹性装置提供第二弹性力以将滑动元件锁定在不同的状态。
    • 10. 发明授权
    • Protective cover assembly for camera module and portable electronic device using same
    • 相机模块用保护盖组件及使用其的便携式电子装置
    • US08220626B2
    • 2012-07-17
    • US12481682
    • 2009-06-10
    • Cong Liu
    • Cong Liu
    • H05K5/03
    • H04M1/0264G03B17/02H04N2101/00
    • A protective cover assembly is mounted within a portable electronic device. The portable electronic device defines a through hole. The protective cover assembly includes a resisting portion including a first positioning portion and a second positioning portion, a shielding cover and an elastic member offering an elastic force to make the resisting portion abut against the shielding cover. When the shielding cover resisting the first positioning portion, the shielding cover shields the through hole. When the shielding cover resisting the second positioning portion, the shielding cover exposes the through hole.
    • 保护盖组件安装在便携式电子设备内。 便携式电子设备限定通孔。 保护罩组件包括一个包括一个第一定位部分和一个第二定位部分的阻挡部分,一个屏蔽罩和一个弹性部件,该弹性部件提供弹性力使阻力部分靠在屏蔽罩上。 当屏蔽盖抵抗第一定位部分时,屏蔽罩屏蔽通孔。 当屏蔽盖抵抗第二定位部分时,屏蔽盖暴露通孔。