Asymmetric spatial filtering for pulsed imaging, pulse width mod

Incremental printing of symbolic information – Light or beam marking apparatus or processes – Scan of light

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358296, B41J 247

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active

055006701

ABSTRACT:
A pulsed imaging Raster Output Scanner utilizes pulse width modulation in conjunction with asymmetric spatial filtering to prevent overshoot of the intensity and maintain precise intensity levels into the other exposure levels.

REFERENCES:
patent: 5223857 (1993-06-01), Loce et al.
Johnson et al., "Scophony Spatial Light Modulator", Optical Engineering, vol. 24, No. 1, Jan./Feb. 1985, pp. 93-100.

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