Component of a signaling column
US6382811B1 · kind B1 · utility
7Cited by
9References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 30, 2000 |
| Grant date | May 7, 2002 |
| Priority date | — |
| Expiry date | May 30, 2020 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S362/80
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A component of a generally cylindrical luminous signaling column housing plural conductors that are substantially parallel to the axis of the cylinder and a printed circuit bearing plural LED luminous sources. The printed circuit is oriented such that its main plane is parallel to the axis of the component and bears plural LEDs on each surface. The cylindrical luminous signaling column includes a cylindrical inner surface provided with light-diffusing reliefs.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.