Automatic calibration of halftones
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United States of America Patent
Stats
-
Jul 15, 1997
Grant Date -
N/A
app pub date -
Dec 28, 1995
filing date -
Dec 28, 1995
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A calibration system, for calibrating a printer response to halftone images directed thereto, includes a test pattern, stored in a memory, providing a plurality of samples of combinations of printed spots, printable on a media by the printer; a gray measuring device, to derive a gray measurement of the samples of printed spots; a calibration processor correlating gray measurements with a particular combination of spots, and deriving parameters describing the printer response to the particular combination; generating at least one gray image correction, including a set of correction values selected in accordance with said the described printer response, and a calibration memory, storing the generated halftone patterns.
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