Planar printed circuit-board transformers with effective electromagnetic interference (EMI) shielding
US6888438B2 · kind B2 · utility
212Cited by
15References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 28, 2002 |
| Grant date | May 3, 2005 |
| Priority date | — |
| Expiry date | May 6, 2023 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01F27/361
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Novel designs for printed circuit board transformers, and in particular for coreless printed circuit board transformers designed for operation in power transfer applications, in which shielding is provided by a combination of ferrite plates and thin conductive sheets.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.