Optical scanning apparatus, optical writing apparatus, image forming apparatus, and method of driving vibration mirror
US7031040B2 · kind B2 · utility
9Cited by
8References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 3, 2004 |
| Grant date | Apr 18, 2006 |
| Priority date | — |
| Expiry date | Jun 22, 2024 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B26/105
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An optical scanning apparatus includes a vibration mirror having a mirror surface that reflects an optical beam. A pair of torsion beams swingably support the mirror. The mirror is vibrated in a sealed space whose pressure is adjusted such that a characteristic of the mirror falls within a predetermined range.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.