Patent · US Expired

Data storage apparatus

US5956194A · kind A · utility

9Cited by
10References
34Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 19, 1997
Grant dateSep 21, 1999
Priority date
Expiry dateSep 19, 2017

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG11B23/0303
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A data storage apparatus (HDD unit) having a cartridge, attachable to and detachable from a personal computer, incorporating a recording disk, comprises a switch circuit for inhibiting data reading and writing with respect to a magnetic disk and a locking mechanism for detecting that the cartridge is detached from the personal computer and causing a data reading and writing inhibiting device to operate in response to the detection.

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