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经营范围
发明名称
Electronic screening
摘要
A method of forming a plurality of printing screens, each having a selected frequency and angle, from a single masterdot of mxm elements where each element specifies a weight accorded a printing signal.
申请公布号
US5040080(A)
申请公布日期
1991.08.13
申请号
US19890362205
申请日期
1989.06.06
申请人
SCHOLTEN, ALVIN D.
发明人
SCHOLTEN, ALVIN D.
分类号
H04N1/405
主分类号
H04N1/405
代理机构
代理人
主权项
地址
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