Inductor device that can resist external interference and adjust inductance value and quality factor of inductor
US11990269B2 · kind B2 · utility
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8Claims
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Key dates
| Filing date | Nov 21, 2021 |
| Grant date | May 21, 2024 |
| Priority date | — |
| Expiry date | Mar 4, 2042 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01F2027/2809
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An inductor device includes a first inductor, a second inductor, and at least one switch circuit. The second inductor is arranged to enclose the first inductor, and use a topmost layer metal to resist external interference for the first inductor. The at least one switch circuit is coupled to the second inductor, and is arranged to receive at least one control voltage, wherein the at least one control voltage is arranged to adjust conduction degree of the at least one switch circuit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.