Common mode choke coil
US6690257B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 27, 2001 |
| Grant date | Feb 10, 2004 |
| Priority date | — |
| Expiry date | Jan 18, 2022 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03H2001/0092
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A common mode choke coil is described that is capable of providing improved characteristics at high frequencies. A bobbin having a toroidal core is mounted on a base. One coil is wound around one half of the bobbin and another coil is wound around the other half thereof. Both ends of each of the coils are connected to corresponding terminals provided on the base. The one coil has its one end connected to one of the terminals, is wound around one half of the bobbin from one side of the bobbin, finishes above the bobbin, that is, at the inner circumference of a core, leads out toward the other terminal provided on the base travelling along the outer face of a plate vertically mounted on the other side of the bobbin, and is connected to the terminal. The same applies to the other coil.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.