Line glower
US6104857A · kind A · utility
27Cited by
3References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 20, 1998 |
| Grant date | Aug 15, 2000 |
| Priority date | — |
| Expiry date | Aug 20, 2018 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S385/901
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A line glower usable in water, rain, snow or in a place where an explosion may possibly take place, and adapted to work with a small power to emit light from the lateral side thereof. It comprises a light transmission tube including a transparent core and a clad having a smaller refractive index than the core; a water-proof light source disposed at at least one axial end of the light transmission tube; and a drive unit to turn on and off the light source; the light emitted from the light source and incident upon an end of the light transmission tube being let to go out from a lateral side of the tube.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.