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Line density converting circuit

阅读:125发布:2022-06-23

专利汇可以提供Line density converting circuit专利检索,专利查询,专利分析的服务。并且PURPOSE:To attain thinning correction accurately by using logical operation of picture signals at the identical main scanning position for consecutive three line so as to apply line density conversion. CONSTITUTION:A picture signal Xn' is obtained by a logical operation in which an inverted output of an invert gate for a picture signal Xn-1 is ANDed with a picture signal Xn at an AND gate 21 and the output of the AND gate 21 is ORed with the picture signal Xn-1 at an OR gate 22. The logical operation is expressed as X'n=X'n-2.Xn+Xn-1. As the result of logic operation by gate groups (invert gate 20, AND gate 21, OR gate 22) of the line density conversion circuit based on picture signals Xn, Xn-1, Xn-2, the picture signal X'n after the line density conversion processing corresponding to a white picture element being X'n='0' is obtained.,下面是Line density converting circuit专利的具体信息内容。

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