Spectral filter
US5774278A · kind A · utility
18Cited by
17References
27Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 30, 1995 |
| Grant date | Jun 30, 1998 |
| Priority date | — |
| Expiry date | Nov 30, 2015 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B5/20
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A spectral filtration system comprising a non-imaging optic having entry and exit faces, the exit face being tilted relative to the entry face, and a filter positioned so as to receive light from, or transmit light to, a face of the non-imaging optic.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.