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1. 发明申请

US20120154680A1 Voltage Level Control Circuit and Associated Method 有权
标题翻译：电压电平控制电路及相关方法
公开(公告)号：US20120154680A1
公开(公告)日：2012-06-21
申请号：US13316749
申请日：2011-12-12
申请人： Shao-Chih Wu , Chien-Hung Chen , Wei-Shu Wong
发明人： Shao-Chih Wu , Chien-Hung Chen , Wei-Shu Wong
IPC分类号： H04N5/06
CPC分类号： H04N5/08
摘要： A voltage level control circuit controls a target slicing voltage level to slice a video signal by a target circuit. The voltage level control circuit includes a slicing circuit for sequentially slicing the video signal by a plurality of slicing voltage levels to correspondingly generate a plurality of first clock signals; a detection circuit for respectively detecting a plurality of phase differences between the first clock signals and a plurality of corresponding second clock signals to generate a plurality of detection signals; an oscillating circuit for generating the second clock signals according to the detection signals, respectively; and an adjusting circuit for determining whether to adjust the target slicing voltage level according to the detection signals corresponding to the slicing voltage levels.
摘要翻译：电压电平控制电路控制目标限幅电压电平，以通过目标电路对视频信号进行分片。电压电平控制电路包括：分片电路，用于通过多个限幅电压电平对视频信号进行顺序分片，以对应地产生多个第一时钟信号; 检测电路，用于分别检测第一时钟信号与多个对应的第二时钟信号之间的多个相位差，以产生多个检测信号; 振荡电路，分别根据检测信号产生第二时钟信号; 以及调整电路，用于根据对应于限幅电压电平的检测信号来确定是否调整目标限幅电压电平。

2. 发明授权

US08937684B2 Voltage level control circuit and associated method 有权
标题翻译：电压电平控制电路及相关方法
公开(公告)号：US08937684B2
公开(公告)日：2015-01-20
申请号：US13316749
申请日：2011-12-12
申请人： Shao-Chih Wu , Chien-Hung Chen , Wei-Shu Wong
发明人： Shao-Chih Wu , Chien-Hung Chen , Wei-Shu Wong
IPC分类号： H04N5/06 , H04N5/08
CPC分类号： H04N5/08
摘要： A voltage level control circuit controls a target slicing voltage level to slice a video signal by a target circuit. The voltage level control circuit includes a slicing circuit for sequentially slicing the video signal by a plurality of slicing voltage levels to correspondingly generate a plurality of first clock signals; a detection circuit for respectively detecting a plurality of phase differences between the first clock signals and a plurality of corresponding second clock signals to generate a plurality of detection signals; an oscillating circuit for generating the second clock signals according to the detection signals, respectively; and an adjusting circuit for determining whether to adjust the target slicing voltage level according to the detection signals corresponding to the slicing voltage levels.
摘要翻译：电压电平控制电路控制目标限幅电压电平，以通过目标电路对视频信号进行分片。电压电平控制电路包括：分片电路，用于通过多个限幅电压电平对视频信号进行顺序分片，以对应地产生多个第一时钟信号; 检测电路，用于分别检测第一时钟信号与多个对应的第二时钟信号之间的多个相位差，以产生多个检测信号; 振荡电路，分别根据检测信号产生第二时钟信号; 以及调整电路，用于根据对应于限幅电压电平的检测信号来确定是否调整目标限幅电压电平。

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