Lamp with metering device
US7898261B2 · kind B2 · utility
4Cited by
1References
36Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 19, 2008 |
| Grant date | Mar 1, 2011 |
| Priority date | — |
| Expiry date | Jul 15, 2029 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21V33/00
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A lamp includes a generator that generates electricity. A battery stores the generated electricity. A light source produces light from the stored electricity. A metering device tallies an operating parameter indicative of the amount of electrical energy consumed by the lamp.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.