Recorders – Printing – dotting – or punching marker – Ink transfer support or moving means
Patent
1990-04-26
1992-09-01
Reinhart, Mark J.
Recorders
Printing, dotting, or punching marker
Ink transfer support or moving means
358296, H04H 121
Patent
active
051443384
ABSTRACT:
An image recorder for recording an image by reading image data produced by quantizing the image pixel by pixel, subjecting the read image data to image processing, and then manipulating a laser beam modulated by pulse width modulation. A pixel of interest is recorded in a position which is controllable depending on the presence/absence or the densities of pixel data of pixels adjoining the pixel of interest. A laser beam is modulated by pulse width modulation, while the phase or the timing of pulses is controlled to control the recording position, whereby control circuitry is simple and economical.
REFERENCES:
patent: 4620136 (1986-10-01), Bolger
patent: 4768043 (1988-08-01), Saito et al.
Reinhart Mark J.
Ricoh & Company, Ltd.
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