Patent · US Active

Illumination device

US9913345B2 · kind B2 · utility

1Cited by
9References
20Claims
0Family size

Inventors

Key dates

Filing dateDec 30, 2015
Grant dateMar 6, 2018
Priority date
Expiry dateDec 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.