Illumination device
US9913345B2 · kind B2 · utility
Inventors
Key dates
| Filing date | Dec 30, 2015 |
| Grant date | Mar 6, 2018 |
| Priority date | — |
| Expiry date | Dec 30, 2035 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P60/14
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A system can include a LED unit socket; and LED supply circuitry that includes a digital to analog converter, an operational amplifier operatively coupled to an analog output of the digital to analog converter, and a metal-oxide-semiconductor field-effect transistor that includes a gate operatively coupled to an output of the operational amplifier, a source operatively coupled to an input of the operational amplifier and a drain operatively coupled to the LED unit socket.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.