发明名称 |
Color lithography using a random pattern screen |
摘要 |
Method for substantially improving the shadow detail and color spectrum range of multicolored lithographic reproductions including the preparation of and printing with standard halftone printing plates and overprinting with a secondary printing plate made from a color separation used in making the halftone printing plates; the secondary printing plate being made from a secondary image exposed through a random pattern screen.
|
申请公布号 |
US4037533(A) |
申请公布日期 |
1977.07.26 |
申请号 |
US19760692206 |
申请日期 |
1976.06.02 |
申请人 |
RAPOPORT PRINTING CORPORATION |
发明人 |
RAPOPORT, SIDNEY L.;MITCHELL, DOUGLAS F. |
分类号 |
B41M1/18;G03F3/04;(IPC1-7):B41M1/14 |
主分类号 |
B41M1/18 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|