Pulse dimming circuit and the method thereof
US8098018B2 · kind B2 · utility
1Cited by
9References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 5, 2009 |
| Grant date | Jan 17, 2012 |
| Priority date | — |
| Expiry date | Sep 28, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02B20/00
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present invention provides a pulse dimming circuit and a method thereof. The pulse dimming circuit is compatible for both DC input signal and PWM input signal using only one circuit board, and includes a first input port, a second input port, a comparison signal generator, a comparator, a logic module, and a switch network electrically coupled to the second input port, an output terminal of the comparator, and an output terminal of the logic module.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.