Method of driving an electrical load, and corresponding signal generator and circuit
US12177950B2 · kind B2 · utility
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10Claims
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Key dates
| Filing date | Oct 30, 2020 |
| Grant date | Dec 24, 2024 |
| Priority date | — |
| Expiry date | Feb 21, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02M3/156
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A method for driving a unidirectional current through an electrical load, such as one or more LED modules, by applying thereto a PWM-modulated signal that swings between a high value and a low value envisages choosing said high value and said low value as nonzero values having a same sign.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.