Scanning optical system
US4776654A · kind A · utility
12Cited by
1References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 7, 1987 |
| Grant date | Oct 11, 1988 |
| Priority date | — |
| Expiry date | Apr 7, 2007 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/11
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A scanning optical device including a rotating polygonal mirror or oscillating mirror. Two acoustooptical devices are disposed along the path between the light source and the mirror and are set for respective time-constant angles of deflection to compensate for tilting of the mirror without introducing an offset.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.