Incremental printing of symbolic information – Light or beam marking apparatus or processes – Scan of light
Patent
1996-02-14
1997-05-27
Fuller, Benjamin R.
Incremental printing of symbolic information
Light or beam marking apparatus or processes
Scan of light
347242, 347243, 347244, B41J 247, B41J 2435, G11B 700, H04N 123
Patent
active
056336721
ABSTRACT:
A real-time calibration instrument on a processless writing device reads a pattern of marks produced by the device and adjusts writing parameters in real time through feed back mechanisms to modify the characteristics of the marks and their pattern. The calibration instrument includes a photoelectronic camera defining an optical axis perpendicular to the recording medium, and the marks are illuminated coaxially along the same axis to capture an image of the marks without distortion. According to other features, the recording medium is rotated on a drum relative to the recording head and the illumination is provided by a stroboscopic source synchronized with rotation of the drum.
REFERENCES:
patent: 4347785 (1982-09-01), Chase et al.
patent: 4435055 (1984-03-01), Berdat et al.
patent: 4727381 (1988-02-01), Bille et al.
Arnold Stephen C.
Cardone John R.
Enders Timothy M.
Lungershausen Arnold
Close Thomas H.
Eastman Kodak Company
Fuller Benjamin R.
Gordon Raquel Yvette
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