Multi-beam light source device and multi-beam scanning apparatus using the same
US6621512B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 13, 2001 |
| Grant date | Sep 16, 2003 |
| Priority date | — |
| Expiry date | Jun 3, 2021 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B27/14
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
In a multi-beam light source device of the invention, a light source unit holds light sources and coupling lenses, the coupling lenses coupling light beams emitted by the light sources. A base member holds the light source unit such that the light beams from the light source unit held by the base member are rotatable in a direction perpendicular to a main scanning direction of an optical scanning device. An angle adjustment mechanism is provided for adjusting a mounting angle of the light source unit relative to the base member, so that respective pitches of beam spots, formed on a scanned surface by the light beams, in the direction perpendicular to the main scanning direction are variable in accordance with the mounting angle adjustment.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.