Bulb including cover
US8911119B1 · kind B1 · utility
2Cited by
3References
28Claims
0Family size
Inventor
Key dates
| Filing date | Nov 20, 2009 |
| Grant date | Dec 16, 2014 |
| Priority date | — |
| Expiry date | Sep 14, 2032 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21Y2115/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A three-way bulb including light emitting diodes is used to achieve a variety of light output colors and/or intensities. In some embodiments, the inputs to a three-way bulb are configured to perform other functions, such as power a motor. In some embodiments, a bulb including light emitting diodes includes a replicable cover. This cover may be configured to project images or support a shade made of a heat sensitive material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.