Patents by Inventor Harold Thackaberry

Harold Thackaberry has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Head adjustment mechanism for rigid magnetic disc memory apparatus
    Patent number: 4200894
    Abstract: An open loop, stepper-motor-driven, rigid magnetic disc memory apparatus for use with a data processing system. A rigid magnetic disc with high track density is driven by a stepper motor in an open-loop fashion or without servomechanism control.
    Type: Grant
    Filed: April 24, 1978
    Date of Patent: April 29, 1980
    Assignee: Data General Corporation
    Inventors: Robert Kaseta, Lenn Daugherty, Sigmund Hinlein, Michael Feldstein, Harold Thackaberry
  • Magnetic head adjustment mechanism
    Patent number: 4185309
    Abstract: An open loop, stepper-motor-driven, rigid magnetic disc memory apparatus for use with a data processing system. A rigid magnetic disc with high track density is driven by a stepper motor in an open-loop fashion or without servomechanism control.
    Type: Grant
    Filed: April 25, 1978
    Date of Patent: January 22, 1980
    Assignee: Data General Corporation
    Inventors: Michael Feldstein, Harold Thackaberry
  • Disc memory apparatus magnetic head carriage manual control
    Patent number: 4164766
    Abstract: An open loop, stepper-motor driven, rigid magnetic disc memory apparatus for use with a data processing system. A rigid magnetic disc with high track density is driven by a stepper motor in an open-loop fashion or without servomechanism control.
    Type: Grant
    Filed: April 24, 1978
    Date of Patent: August 14, 1979
    Assignee: Data General Corporation
    Inventors: Robert Kaseta, Lenn Daugherty, Sigmund Hinlein, Michael Feldstein, Paul Otausky, Harold Thackaberry, Robert E. Barrows
  • Cross band coupling for stepper-motor-driven, rigid magnetic disc
    Patent number: 4164769
    Abstract: An open loop, stepper-motor-driven, rigid magnetic disc memory apparatus for use with a data processing system. A rigid magnetic disc with high track density is driven by a stepper motor in an open-loop fashion or without servomechanism control.
    Type: Grant
    Filed: April 24, 1978
    Date of Patent: August 14, 1979
    Assignee: Data General Corporation
    Inventors: Robert G. Kaseta, Lenn Daugherty, Sigmund Hinlein, Michael Feldstein, Paul Otavsky, Harold Thackaberry, Robert E. Barrows
  • Rigid magnetic disc memory apparatus employing stepper motor drive and pivotable head support with temperature compensation
    Patent number: 4163996
    Abstract: An open loop, stepper-motor-driven, rigid magnetic disc memory apparatus for use with a data processing system. A rigid magnetic disc with high track density is driven by a stepper motor in an open-loop fashion or without servomechanism control.
    Type: Grant
    Filed: April 24, 1978
    Date of Patent: August 7, 1979
    Assignee: Data General Corporation
    Inventors: Robert G. Kaseta, Lenn Daugherty, Sigmund Hinlein, Michael Feldstein, Harold Thackaberry, Robert E. Barrows