Carriage device for moving and positioning magnetic head
US4590529A · kind A · utility
6Cited by
4References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 7, 1984 |
| Grant date | May 20, 1986 |
| Priority date | — |
| Expiry date | Mar 7, 2004 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B5/5521
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A carriage device used for moving and positioning a magnetic head opposite prescribed tracks of a magnetic disk has the magnetic head mounted on a carriage which has linear motor mechanisms built integrally therein. The linear motor mechanisms incorporate coils secured to part of the carriage and permanent magnets secured aorund the coils. Guide rails serving to support the carriage within the range of the sliding motion of the coils are made of a magnetic substance.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.