Controllers, power supplies and control methods
US9735684B2 · kind B2 · utility
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5References
4Claims
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Assignee
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Key dates
| Filing date | Nov 12, 2014 |
| Grant date | Aug 15, 2017 |
| Priority date | — |
| Expiry date | Jan 22, 2035 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02M1/0009
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Power supplies together with related over voltage protection methods and apparatuses. A power supply has a transformer including a primary winding and an auxiliary winding. A power switch is coupled to the primary winding and a sensing resistor coupled between the power switch and a grounding line. A multi-function terminal of a controller is coupled to the sensing resistor. A diode and a first resistor is coupled between the auxiliary winding and the multi-function terminal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.