Magnetic head employing flux interrogation
US4137554A · kind A · utility
2Cited by
6References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 21, 1977 |
| Grant date | Jan 30, 1979 |
| Priority date | — |
| Expiry date | Sep 21, 1997 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B5/332
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A flux-sensitive magnetic head employs at its back part a wire having a thin single-domain magnetic film coated thereon. A sense coil wraps around the coated wire, and, in response to current passed through the coated wire, develops a voltage proportional to the flux in the head front gap.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.