Patent · US Expired

Magnetically indelible media type identification system

US5210672A · kind A · utility

40Cited by
4References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 9, 1990
Grant dateMay 11, 1993
Priority date
Expiry dateNov 9, 2010

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG11B23/30
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A diskette comprising a jacket, a liner material disposed within said jacket, a flat circular media having a magnetic coating on both sides disposed within said liner material, a hub attached at the center of said media, a plurality of optical positioning tracks on at least one of said sides of said media, and a media type code optically embossed on at least one of said sides of said media. The media type code contains information about the physical properties of the particular diskette that will allow a disk drive unit to auto-configure itself to allow optimum data communication and performance.

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