Magnetic field generator
US4993325A · kind A · utility
9Cited by
3References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 2, 1970 |
| Grant date | Feb 19, 1991 |
| Priority date | — |
| Expiry date | Jun 2, 1990 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01F7/20
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
This invention discloses a magnetic field generator employing a direct cunt electromagnetic coil which is swept through a predetermined area by a drive motor and transmission means. Circuit means are disclosed to periodically reverse the polarity of the generated magnetic field either in synchronism with the sweeping of the electromagnetic coil or at a time related frequency.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.