G - Physics – 03 – F
Patent
G - Physics
03
F
95/0.4, 95/94.5
G03F 5/00 (2006.01)
Patent
CA 1221571
METHOD OF REPRODUCING IMAGES WITH GREY VALUES Abstract The invention concerns a method of reproducing images with grey values,using picture elements (PELS) for the different grey values, which are represented by dot patterns with a different distribution and arrangement of the individual dots, characterized in that for each grey value there is a stock of quasi-equivalent grey value pels, and that for representing each grey value of an original to be reproduced, a pel corresponding to this grey value is selected from the associated stock of quasi-equivalent grey value patterns.
452132
Goldrian Gottfried
Rudolph Volker
Ruppert Werner
Wohnsdorf Manfred
International Business Machines Corporation
Saunders Raymond H.
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