Optical scanning device, image forming apparatus and liquid crystal device driving method
US7719737B2 · kind B2 · utility
5Cited by
4References
42Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 4, 2008 |
| Grant date | May 18, 2010 |
| Priority date | — |
| Expiry date | Jan 4, 2028 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B26/123
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An optical scanning device includes a laser-beam-phase-modulatable liquid crystal device. The liquid crystal device has stripe-like electrode patterns arranged in one direction, with a provision of a part for changing an effective value of a driving voltage separately for each of stripe-like electrode patterns.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.