专利名称：SEPARATE LUMINANCE CONVERSION
shirt什么意思
SYSTEM OF NTSCCSYSTEM COLOR VIDEO
SIGNAL
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天津黑利伯瑞国际学校发明人：SUZUKI KANJI
申请号：JP5571579
领域英语申请日：19790509clarify
公开号：JPS55147891A
英语答辩ppt模板
公开日：
19801118北京教育机构
专利内容由知识产权出版社提供
摘要：PURPOSE:To make a picture clear by using a high-speed memory to incorporate desired I/O luminance signal characteristic data in the luminance signal of the color video signal and by correcting luminance to obtain a corrected video analogue signal. CONSTITUTION:Only the luminance signal is extracted from the video signal by color video signal controller 1 and has the level fixed by a clamp circuit and is made into an analogue signal by a level adjustment equipment and is nt to next- stage high-speed伦敦奥运会 吉祥物
尖利
A/D converter 3 and is converted to a digital signal. This signal is given to the address line of high-speed memory 4 as an input. I/O luminance characteristic data is stored previously in high-speed memory 5, and a lector switch is ud to lect one. After that, the digital luminance signal is obtained from memory 4 and is converted to the corrected analogue luminance signal again by high-speed D/A converter 6 and is synthesized by synchronous mixer 7 and color signal mixer 8.
申请人：EDETSUKU KK
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