PWM dimming circuit with low stand-by power
US11291092B2 · kind B2 · utility
0Cited by
2References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 21, 2020 |
| Grant date | Mar 29, 2022 |
| Priority date | — |
| Expiry date | Feb 21, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05B47/195
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present disclosure relates to PWM dimming circuit with low stand-by power. A lighting apparatus driver is provided, comprising: a power supplier to supply power to a lighting load; and a discrete PWM dimming circuit, the PWM dimming circuit is to receive PWM signal, and to control the switching of the power supplier based on the PWM signal, wherein the power supplier is capable of being turned off by the PWM dimming circuit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.