首页>
外国专利>
VIDEO SIGNAL EMPHASIS SYSTEM, DE-EMPHASIS SYSTEM AND VIDEO SIGNAL EMPHASIS/DE-EMPHASIS SYSTEM
VIDEO SIGNAL EMPHASIS SYSTEM, DE-EMPHASIS SYSTEM AND VIDEO SIGNAL EMPHASIS/DE-EMPHASIS SYSTEM
展开▼
机译:视频信号加重系统,去加重系统和视频信号加重/去加重系统
展开▼
页面导航
摘要
著录项
相似文献
摘要
PURPOSE:To effectively utilize the dynamic range of a transmission line and to prevent malfunction on a reception side. CONSTITUTION:Input video signals aa are supplied through a time direction emphasis means 1 for level-emphasizing high frequency components in a time direction relatively compared with low frequency components first, then a vertical direction emphasis means 2 and a horizontal direction emphasis means 3 to the transmission line 4. Then, reception video signals supplied from the transmission line 4 are passed through a horizontal direction de-emphasis means 5 for level-attenuating the high frequency components in a horizontal direction relatively compared with the low frequency components and a vertical direction de-emphasis means 6 and output video signals bb are outputted from a time direction de-emphasis means 7.
展开▼