Offset voltage eliminating circuit structure for protection mechanism of dimmer
US9439251B2 · kind B2 · utility
0Cited by
3References
4Claims
0Family size
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Key dates
| Filing date | Nov 27, 2014 |
| Grant date | Sep 6, 2016 |
| Priority date | — |
| Expiry date | Dec 12, 2034 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02B20/30
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An offset voltage eliminating circuit structure for a protection mechanism of a dimmer is described. The circuit includes a constant current source, a subtractor and a hysteresis comparator. The constant current source is used for outputting a stable current, the output of the constant current source is connected with a dimming signal input through a current-limiting resistor, and the dimming signal input is connected with an output of an external traditional dimmer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.