Light delivery systems and applications thereof
US6739744B2 · kind B2 · utility
47Cited by
60References
25Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 23, 2001 |
| Grant date | May 25, 2004 |
| Priority date | — |
| Expiry date | Aug 24, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S385/901
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A lighting device includes an optic light guide having a free end that emits directional light. Surrounding the free end is a sleeve having an aperture through which a beam of light emitted by the free end of the light guide passes. The sleeve may be moved in and out relative to the free end to vary the size of the beam of light passing through the aperture.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.