Patents by Inventor Fernando M. Vasconselos

Fernando M. Vasconselos 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).

  • Spindle drive system
    Patent number: 4197489
    Abstract: A floppy disk drive system employs an inside-out DC motor whose centrally located stator is mounted directly to the chassis. The motor has a tubular rotor that encircles the stator and it is supported co-axially with the stator by the rotary disk drive spindle. A timing and commutation disk is mounted directly on the rotor and, together with speed control and commutation networks, maintains uniform motor speed.
    Type: Grant
    Filed: January 27, 1978
    Date of Patent: April 8, 1980
    Assignee: MFE Corporation
    Inventors: David S. Dunn, Fernando M. Vasconselos