Illumination device having remotely powered lightguide
US8864362B2 · kind B2 · utility
8Cited by
10References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 29, 2010 |
| Grant date | Oct 21, 2014 |
| Priority date | — |
| Expiry date | Jun 3, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02J2310/23
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An illumination device is disclosed, having a lightguide optically coupled to a light source and a transducer for supplying power to the light source by converting energy received from a remote transmitter. Energy received from a remote transmitter can comprise radiofrequency waves, microwaves, infrared radiation, visible light, ultraviolet light, sunlight, sound waves or heat.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.