Toner dependent rosette structures in multi-layer screening by phase modulation
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United States of America Patent
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Sep 15, 1998
Grant Date -
N/A
app pub date -
Apr 27, 1995
filing date -
Apr 27, 1994
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A screening system comprises at least one screen of which the phase is tone or image level dependent. This tone dependent phase shift influences the rosette structure and can be used to improve the neutral balance and colour fidelity in multi-colour reproduction and to minimise the visibility of such rosette structures in highlight and shadow areas.
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Cited Art Landscape
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