Patents Assigned to Micropolis
  • High precision floppy disc memory system
    Patent number: 4523240
    Abstract: A "floppy" disc digital magnetic storage apparatus or subsystem includes a number of interrelated features permitting greatly increased data storage and good access time, while using relatively inexpensive parts. The features contributing to the greatly increased storage capacity include arrangements for providing one hundred tracks per inch, and for holding tolerances so that the position of the magnetic head in the radial direction is maintained within the required value of plus or minus 1.7 thousandths of an inch.
    Type: Grant
    Filed: May 25, 1979
    Date of Patent: June 11, 1985
    Assignee: Micropolis
    Inventors: Ericson M. Dunstan, William J. Gervais, S. Barry McClelland