Patent · US Expired

Thin external memory unit with hard disk

US5557486A · kind A · utility

8Cited by
5References
73Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 2, 1993
Grant dateSep 17, 1996
Priority date
Expiry dateDec 2, 2013

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG11B25/043
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A disk unit has a recording medium disk; a head for reading and writing information on said disk; a first actuator for moving said head relative to said disk, said first actuator having no bearing structure; a second actuator for rotating said disk, said second actuator having no bearing structure; and a housing for housing said disk, said head, said first actuator and said second actuator.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.