Head positioning apparatus for disc unit
US5130873A · kind A · utility
9Cited by
3References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 26, 1991 |
| Grant date | Jul 14, 1992 |
| Priority date | — |
| Expiry date | Feb 26, 2011 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B21/083
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A head positioning apparatus for a disc unit which moves a carriage having a movable portion by driving motors constituted by coils and magnets, wherein driving power distribution of the driving motors is variable, so that the acting points of the driving forces of the driving motors can be variably set at any position to position the acting points of driving forces of the driving motors on a centroidal axis of the movable portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.