Facsimile and static presentation processing – Facsimile – Specific signal processing circuitry
Patent
1996-12-31
1998-09-15
Coles, Edward L.
Facsimile and static presentation processing
Facsimile
Specific signal processing circuitry
395101, 395108, 395113, 358298, 347232, 347237, 347238, G06F 1500, H04N 121
Patent
active
058092161
ABSTRACT:
A non-impact recording apparatus and method is described for recording pixels on a recording medium by recording sub-pixel recording portions of the pixel represented by a multibit recording data signal having a most significant data bit and a least significant data bit in a series of consecutive subline recording intervals. The apparatus includes one or more recording elements that are drivable by driver currents to generate recordable output signals such as light or ink droplets or heat. A driver provides driver currents to each recording element during plural subline recording intervals to record the pixel. One driver current is provided during one subline interval for one duration that is different than a second driver current that is provided during a second subline interval for a second duration. The second duration is substantially shorter than the one duration and the second driver current is smaller in amplitude than an amplitude of the one driver current so that the second driver current may accurately record the least significant data bit of the multibit data signal over a period sufficient to minimize error due to time related responsiveness of the recording element.
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US Applic S.N. 08/580,263 Yee S. Ng.
Coles Edward L.
Eastman Kodak Comapny
Rushefsky Norman
Wallerson Mark
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