Motion quality enhancement with white noise

Details Motion quality enhancement with white noise Motion quality enhancement with white noise

1994-10-17

1998-12-29

Fuller, Benjamin R.

Incremental printing of symbolic information

Light or beam marking apparatus or processes

Scan of light

347115, 347247, 358296, B41J 2385, B41T 247, G01D 1514, G02F 111

Patent

active

058546537

ABSTRACT:
A modulator for modifying a scanning beam to project a halftone image onto a photosensitive surface including a sensor providing sensor signals in relation to the speed of the photosensitive surface, a converter responsive to the speed of the photosensitive surface to provide a signal representing an image quality factor for altering the modulation of the beam of the scanning system to adjust the projected image in relation to the speed of the photosensitive surface, the projected image including banding errors, and a random signal generator responsive to the sensor signals for generating random signals, the random signals altering the modulation of the beam of the scanning system to counter the banding errors on the projected image.

REFERENCES:
patent: 4697904 (1987-10-01), Takahashi et al.
patent: 5255007 (1993-10-01), Baky
patent: 5258775 (1993-11-01), Casey et al.
patent: 5291214 (1994-03-01), Baek et al.
patent: 5444525 (1995-08-01), Takahashi et al.

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