Inductor and EMI filter including the same
US11955262B2 · kind B2 · utility
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20Claims
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Key dates
| Filing date | Feb 16, 2022 |
| Grant date | Apr 9, 2024 |
| Priority date | — |
| Expiry date | Oct 15, 2042 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01F2017/065
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An inductor includes a first magnetic body having a toroidal shape and having a ferrite; and a second magnetic body configured to be different from the first magnetic body and including a metal ribbon, wherein the second magnetic body includes an outer magnetic body disposed on an outer circumferential surface of the first magnetic body and an inner magnetic body disposed on an inner circumferential surface of the first magnetic body, and each of the outer magnetic body and inner magnetic body is wound in a plurality of layers in a circumferential direction of the first magnetic body.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.