Common aperture vision system
US7283307B2 · kind B2 · utility
28Cited by
35References
27Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 7, 2005 |
| Grant date | Oct 16, 2007 |
| Priority date | — |
| Expiry date | Nov 10, 2025 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B27/0025
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An optical device comprises a dichroic beamsplitter for splitting an object beam into a reflected beam having a first waveband and a transmitted beam having a second waveband; an astigmatism-correcting lens element, disposed in the optical path of the transmitted beam; and a coma-correcting lens element, disposed in the optical path of the transmitted beam.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.