Structure of high-resolution polygon laser scanner

Details Structure of high-resolution polygon laser scanner Structure of high-resolution polygon laser scanner

1986-12-16

1988-08-16

Westin, Edward P.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

350 68, 358206, H01J 314

Patent

active

047646721

ABSTRACT:
An improved high-resolution laser scanner is able to make each mirror facet of a rotating polygon mirror generate two or more scanning beams through the use of beam splitting and projection by a beam splitter so as to increase the scanning speed and enhance the resolution quality. By means of adjustable reflectors, the two or more scanning beams are made to non-simultaneously impinge on the center of the same facet of the polygon mirror, wherefrom the scanning beams are focussed through a lens onto a photo-conductive drum.

REFERENCES:
patent: 3573849 (1971-04-01), Herriot
patent: 4327287 (1982-04-01), Saito et al.
patent: 4408826 (1983-10-01), Ike
patent: 4561717 (1985-12-01), Kataoka et al.

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