Magnetic recording apparatus
US5126891A · kind A · utility
1Cited by
3References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 23, 1989 |
| Grant date | Jun 30, 1992 |
| Priority date | — |
| Expiry date | Jun 23, 2009 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B15/12
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A magnetic recording apparatus includes a control circuit and a switch which is provided between a recording amplifier and a secondary coil of a transformer for coupling the recording amplifier with a magnetic head, the control circuit stops a flow of a transient current into the magnetic head by controlling an ON/OFF timing of the switch.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.