Lamp with battery backup capability
US10236716B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 21, 2017 |
| Grant date | Mar 19, 2019 |
| Priority date | — |
| Expiry date | Apr 21, 2037 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02B20/30
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A lamp includes a first pair of primary electrical contacts configured to be electrically connected to a AC mains, a second pair of primary electrical contacts configured to be electrically connected to a non-switched emergency mains, and a battery charge controller in electrical communication with the second pair of electrical contacts. The lamp also includes a battery pack in electrical communication with the battery charge controller, an AC mains driver electrically connected to the first pair of primary electrical contacts, an emergency driver electrically connected to the battery pack, and an LED array in electrical communication with the AC mains driver and the emergency driver.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.