Hard disc device
US7251088B2 · kind B2 · utility
7Cited by
7References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 7, 2005 |
| Grant date | Jul 31, 2007 |
| Priority date | — |
| Expiry date | Jul 7, 2025 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B23/0318
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A portable hard disc device which is read by a recording and/or reproducing apparatus, including: a disc for recording and/or reproducing; a head slider for recording and/or reproducing the disc; an arm mechanism for moving the head slider to a predetermined position; a voice coil motor type coil for driving the arm mechanism by being driven by an external magnetic field generated by magnets provided in the recording and/or reproducing apparatus and a current supplied from a power circuit; a spindle for rotating the disc after the disc is fixed; and a power circuit for supplying a current to the voice coil motor type coil.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.