Triangular prism dual lamp coupler
US7252393B1 · kind B1 · utility
6Cited by
6References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 5, 2007 |
| Grant date | Aug 7, 2007 |
| Priority date | — |
| Expiry date | Jan 5, 2027 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S385/901
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A dual lamp coupling system is provided using a single equilateral 60 degree triangle prism in front of the integrator rod to homogenize the focused light from two lamps, with increased projection brightness. According to one embodiment, the equilateral 60 degree triangular prism is integrated into the end of the rod.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.