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Alternative TitleSamplnig preservation device
Rights Holder中国科学院沈阳自动化研究所
Patent Agent沈阳科苑专利商标代理有限公司
Other AbstractThe utility model relates to an image processing technology, in particular to a sample holding device of the image processing, comprising a first sample retainer, a second sample retainer, a comparator and an inverter. A video-signal and a video synchronous signal are respectively connected with the first sample retainer and the second sample retainer by a third selection switch and a clamped resistance. The front sampling pulse of a target signal is the input signal of the first sample retainer and the back sampling pulse of the target signal is the input signal of the second sample retainer. The output terminals of the first sample retainer and the second sample retainer are connected with the comparator which outputs by the inverter outputting to the second selection switch or directly to the first selection switch. The output level is the background signal of the target signal. Under the situations of any complicated backgrounds, the utility model uses a distilled target signal to output a stable background level and stably separate the target signal.
PCT Attributes
Application Date2003-07-29
Date Available2004-09-01
Application NumberCN03284534.0
Open (Notice) NumberCN2638357Y
Contribution Rank1
Document Type专利
Recommended Citation
GB/T 7714
王庆山. 采样保持装置[P]. 2004-09-01.
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