Single rotating polygon mirror with adjacent facets having different tilt angles
US6219168A · kind A · utility
46Cited by
3References
17Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 20, 1999 |
| Grant date | Apr 17, 2001 |
| Priority date | — |
| Expiry date | Dec 20, 2019 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B5/09
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A single rotating polygon mirror with adjacent facets having different tilt angles reflects and splits the scanning beam to multiple photoreceptors in a raster output scanning (ROS) system. The mirror can have two or four alternating facets with different tilt angles. Two different light beams form two different light sources can be reflected and split from the polygon mirror contemporaneously to multiple photoreceptors. The split beams from the polygon mirror facets can share a common f-theta scan lens.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.