Method and apparatus for coarse and fine positioning a magnetic head with three piezoelectric elements arranged in a tripod arrangement
US5438469A · kind A · utility
40Cited by
9References
15Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 7, 1993 |
| Grant date | Aug 1, 1995 |
| Priority date | — |
| Expiry date | Dec 7, 2013 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B5/584
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An apparatus for positioning a magnetic head relative to a magnetic tape includes a platform for coarsely positioning the magnetic head, roughly to a desired track of the magnetic tape. A piezoelectric element is provided for fine positioning the magnetic head. The piezoelectric element is arranged between a bottom of the platform and the magnetic head.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.