Inductance device
US6175295A · kind A · utility
5Cited by
3References
2Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 5, 1999 |
| Grant date | Jan 16, 2001 |
| Priority date | — |
| Expiry date | Aug 5, 2019 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01F27/38
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
In an inductance device in which a coil is wound around a bobbin having at least two chambers divided by a collar and a ferrite core is mounted, the bobbin includes a chamber having a center hole for inserting a center leg of the core and two outer holes for each inserting an outer leg of the ferrite core in a bottom portion of the bobbin, a shield coil having a portion which is wound in a direction perpendicular to the primary coil via the collar portions of the bobbin, both ends of the shield coil being connected to a terminal, the shield coil is formed by a triple-layered insulated wire.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.