Noise filter and electronic device using noise filter
US6998939B2 · kind B2 · utility
21Cited by
4References
25Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 7, 2001 |
| Grant date | Feb 14, 2006 |
| Priority date | — |
| Expiry date | Apr 20, 2022 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03H2001/0092
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Comprising a magnetic member 32 formed by laminating magnetic sheets 24, 28, 30, 31 a first impedance element 21 formed in the magnetic member 32, and a second impedance element 25 formed above the first impedance element 21, the first impedance element 21 includes a first normal impedance element 22 and a first common impedance element 23, and the second impedance element 25 includes a second common impedance element 26 and a second normal impedance element 27.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.