Reflective optical system
US5907442A · kind A · utility
7Cited by
5References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 17, 1997 |
| Grant date | May 25, 1999 |
| Priority date | — |
| Expiry date | Jan 17, 2017 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B17/0888
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A reflective optical system includes, in traveling order of light, a correction plate having an aspherical surface and a reflecting mirror for concentrating the light. An image is formed out of an optical path between the correction plate and the reflecting mirror.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.