Adjustable ring light
US4729070A · kind A · utility
50Cited by
5References
11Claims
0Family size
Inventor
Key dates
| Filing date | May 12, 1986 |
| Grant date | Mar 1, 1988 |
| Priority date | — |
| Expiry date | May 12, 2006 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S362/804
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An adjustable ring light for concentrating multiple beams of light in which the point of convergence can be moved along an axis. In an embodiment, the light sources which may be the ends of bundles of optical fibers, are mounted in tiltable carriers which are adjusted by rotation of a housing cover. In other embodiments tilting is accomplished by bending tabs or rotating a disk having slots through which the light sources project.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.