Recorders – Printing – dotting – or punching marker – Ink transfer support or moving means
Patent
1992-03-24
1994-04-19
Reinhart, Mark J.
Recorders
Printing, dotting, or punching marker
Ink transfer support or moving means
358296, H04N 121
Patent
active
053050223
ABSTRACT:
A semiconductor laser array emits n light beams at intervals r. An optical system having a lateral magnification .beta. in the beam arrangement direction forms spots of the n light beams on the photoreceptor. A polygon scanner deflects the n light beams to a direction perpendicular to the beam arrangement direction, to scan the photoreceptor simultaneously with the n light beams. The integer n is selected to be a value not less than 3, and an interlacing period I, which is defined as I=.beta.r/p where p is an interval of adjacent scanning lines on the photoreceptor, is selected to be an integer in the range of 2.ltoreq.I.ltoreq.(n-1) and prime to n.
REFERENCES:
patent: 4989019 (1991-01-01), Loce et al.
patent: 5233367 (1993-08-01), Curry
patent: 5241329 (1993-08-01), Guerin
A Study On Laser Scanning Systems Using A Monolithic Arrayed Laser Diode, Minoura et al. SPIE vol. 1079, 1989, pp. 462-474.
Dual Beam Laser Diode Scanning System For Ultrahigh Speed Laser Beam Printers Using A Spot Control Method, Akira Arimoto et al., Applied Optics, vol. 26, No. 13, Jul. 1, 1987, pp. 2554-2557.
Study of Gradation Reproduction In Laser Xerography, T. Tanaka, 6th Conference Of Chromatic Engineering, 1989, pp. 77-80.
Properties Of Closely Spaced Independently Addressable Lasers Fabricated By Impurity-Induced Disordering, Thornton et al., Appl. Phys. Lett. 56(17), Apr. 23, 1990, pp. 1623-1625.
Ito Masao
Ota Takeshi
Fuji 'Xerox Co., Ltd.
Reinhart Mark J.
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