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    • 12. 发明授权
    • Mobile device reputation system
    • 移动设备信誉系统
    • US09002333B1
    • 2015-04-07
    • US12189580
    • 2008-08-11
    • Ning TongGang Chen
    • Ning TongGang Chen
    • H04M3/42
    • H04M3/4211H04L63/126H04L65/1079H04L65/1096H04M3/436H04W12/12
    • A reputation system aids in the prevention of unwanted spam or malicious communications from being sent to a mobile device, such as a cell phone. A collaborative process is used to determine ratings for a collection of source identifications of the communications. The source identifications are caller identifications (IDs) of a corresponding voice or SMS communication. A collection of opinions is maintained regarding the caller IDs. The reputation system then uses a method of making automatic predictions about the caller IDs by collecting caller ID information from many users to populate the database of maintained opinions. As such, caller IDs of users who have sent spam or malicious messages can be blocked by using collaborative information from many users, as opposed to relying on individual users to block unwanted communications.
    • 信誉系统有助于防止不想要的垃圾邮件或恶意通信被发送到诸如手机的移动设备。 协作过程用于确定通信的源标识集合的等级。 源标识是对应的语音或SMS通信的呼叫者标识(ID)。 维护有关呼叫者ID的意见集。 信誉系统然后使用通过从许多用户收集呼叫者ID信息来填充维护意见的数据库来对呼叫者ID进行自动预测的方法。 因此,通过使用来自许多用户的协作信息,可以阻止发送垃圾邮件或恶意邮件的用户的呼叫者ID,而不是依赖于个人用户来阻止不必要的通信。
    • 15. 发明授权
    • Power supply controller and method
    • 电源控制器及方法
    • US08643349B2
    • 2014-02-04
    • US12614532
    • 2009-11-09
    • Gang ChenXin ZhangWeiyun Chen
    • Gang ChenXin ZhangWeiyun Chen
    • G05F1/00
    • H02M3/156
    • A power supply controller and method for improving the transient response of the power supply controller. The power supply controller includes a pulse width modulation control module connected to a feedback network. The feedback network is composed of an amplifier having an inverting input terminal, a non-inverting input terminal, and an output terminal. A compensation network is coupled between the inverting input terminal and the output terminal of the amplifier and a reference voltage is coupled to the non-inverting input terminal of the amplifier. A switch is coupled between the output terminal of the amplifier and an input terminal of the compensation network. The transient response of the controller is improved by operating the controller in a closed loop compensation configuration during a continuously pulsing operating mode and in an open loop compensation configuration during a pulse skip operating mode.
    • 一种用于改善电源控制器的瞬态响应的电源控制器和方法。 电源控制器包括连接到反馈网络的脉宽调制控制模块。 反馈网络由具有反相输入端子,非反相输入端子和输出端子的放大器组成。 补偿网络耦合在反相输入端和放大器的输出端之间,参考电压耦合到放大器的非反相输入端。 开关耦合在放大器的输出端和补偿网络的输入端之间。 通过在脉冲跳过操作模式期间在连续脉冲操作模式和开环补偿配置期间操作控制器处于闭环补偿配置来改善控制器的瞬态响应。
    • 16. 发明授权
    • In-pixel high dynamic range imaging
    • 像素高动态范围成像
    • US08643132B2
    • 2014-02-04
    • US13155969
    • 2011-06-08
    • Gang ChenDuli MaoHsin-Chih TaiHoward E. Rhodes
    • Gang ChenDuli MaoHsin-Chih TaiHoward E. Rhodes
    • H01L31/06H01L31/062H01L31/113
    • H01L27/14616H01L27/14612H01L27/14643
    • Embodiments of the invention describe providing high dynamic range imaging (HDRI or simply HDR) to an imaging pixel by coupling a floating diffusion node of the imaging pixel to a plurality of metal-oxide semiconductor (MOS) capacitance regions. It is understood that a MOS capacitance region only turns “on” (i.e., changes the overall capacitance of the floating diffusion node) when the voltage at the floating diffusion node (or a voltage difference between a gate node and the floating diffusion node) is greater than its threshold voltage; before the MOS capacitance region is “on” it does not contribute to the overall capacitance or conversion gain of the floating diffusion node.Each of the MOS capacitance regions will have different threshold voltages, thereby turning “on” at different illumination conditions. This increases the dynamic range of the imaging pixel, thereby providing HDR for the host imaging system.
    • 本发明的实施例描述了通过将成像像素的浮动扩散节点耦合到多个金属氧化物半导体(MOS)电容区域来向成像像素提供高动态范围成像(HDRI或简单的HDR)。 可以理解,当浮动扩散节点处的电压(或者栅极节点和浮动扩散节点之间的电压差)为(...)时,MOS电容区域只会变为“导通”(即,改变浮动扩散节点的整体电容) 大于其阈值电压; 在MOS电容区域“接通”之前,它不会对浮动扩散节点的整体电容或转换增益有贡献。 每个MOS电容区域将具有不同的阈值电压,从而在不同的照明条件下“打开”。 这增加了成像像素的动态范围,从而为主机成像系统提供HDR。