Patent ID: 6219168
Filing Date: 2001-04-17
Classification: G02B

Abstract:
A raster output scanning system comprisinga light source emitting a light beam that is modulated in accordance with an input video data signal,a first photoreceptor and a second photoreceptor, anda rotating polygon mirror havinga first plurality of facets having a first tilt angle relative to the axis of rotation of said rotating polygon mirror, anda second plurality of facets, alternating with said first plurality, said second plurality of facets having a second tilt angle relative to the axis of rotation of said rotating polygon mirror, said second tilt angle being different from said first tilt angle,said first plurality of facets reflecting said modulated light beam to scan across a line on said first photoreceptor, and said second plurality of facets reflecting said modulated light beam to scan across a line on said second photoreceptor.