Short arc lamp image transformer
US4734829A · kind A · utility
11Cited by
5References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 12, 1985 |
| Grant date | Mar 29, 1988 |
| Priority date | — |
| Expiry date | Nov 12, 2005 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03F7/70358
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A light transformer for converting light from a short arc lamp into an arcuate shape of uniform intensity. Mirror means associated with the short arc lamp projects light from the short arc lamp as a plurality of separate images conforming to the desired arcuate shape onto a plurality of reflecting facets also formed in the desired arcuate shape. Light pipe means formed in the desired arcuate shape is disposed at one end to receive light images via the facets and to emit light at the other end in the desired arcuate shape.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.