Device and method for light beam splitting for dual sensor flame detector
US5450240A · kind A · utility
6Cited by
5References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 22, 1993 |
| Grant date | Sep 12, 1995 |
| Priority date | — |
| Expiry date | Jul 22, 2013 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B27/143
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A beam splitter for transmitting and deflecting light comprises a foil having a top surface and at least one hole therethrough. A highly reflective finish is provided on the top surface of the foil. Light is transmitted through the holes in the foil while other light is reflected from the reflective finish on the top surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.