Shielded inductance coil with trimmer
US3979706A · kind A · utility
4Cited by
6References
2Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 26, 1975 |
| Grant date | Sep 7, 1976 |
| Priority date | — |
| Expiry date | Jun 26, 1995 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01F29/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An electrical inductance coil, having a central opening therethrough, is surrounded by a spaced shield of magnetic metal, and a screw of magnetic metal is mounted in engagement with one side of the shield for adjustable extension through the central opening in the coil for varying the spacing between the inner end of the screw and the confronting, opposite side of the shield.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.