Magnetic recording-reproducing apparatus and magnetoresistive head having two or more magnetoresistive films for use therewith
US5218497A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 13, 1991 |
| Grant date | Jun 8, 1993 |
| Priority date | — |
| Expiry date | Dec 13, 2011 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B5/4886
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A magnetic recording-reproducing apparatus is disclosed which comprises a recording inductive magnetic head, a reproducing magnetoresistive magnetic head, a read-write circuit for inputting a signal to the inductive magnetic head and for reproducing the output from the magnetoresistive magnetic head, an interface for inputting/outputting a signal between the read-write circuit and an external apparatus, and a mechanism for moving the inductive magnetic head, the magnetoresistive magnetic head and the magnetic recording medium relative to one another, wherein the information recorded on the recording medium is reproduced with an area recording density of 300 Mb/in.sup.2 or more.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.