Hybrid lamp power circuit
US8558478B2 · kind B2 · utility
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11Claims
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Assignee
Inventors
Key dates
| Filing date | Mar 31, 2011 |
| Grant date | Oct 15, 2013 |
| Priority date | — |
| Expiry date | Jan 3, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02B20/00
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A hybrid lamp apparatus is presented having a primary lamp circuit with a CFL and an electronic ballast, as well as a Halogen or incandescent secondary lamp circuit with a control circuit that shuts off the secondary lamp a time period after powerup, where the secondary lamp time period varies according to the amount of time the apparatus was previously unpowered.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.