Patents by Inventor Vincenzo Casolino

Vincenzo Casolino 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).

  • Direct memory access control device
    Patent number: 4245305
    Abstract: In a computer wherein a central processor and at least one peripheral controller have access to a memory, this latter is divided into two simultaneously accessible zones, namely a private zone accessible by the processor and a direct access zone accessible both by the processor and by the peripheral controller. A logic unit synchronizes the controller's access to the direct access zone with the processor's access to the private zone, the controller's access being delayed, if necessary to occur simultaneously with the processor's access. The peripheral controller's access is thereby achieved without interruption of processor operations.
    Type: Grant
    Filed: December 20, 1978
    Date of Patent: January 13, 1981
    Assignee: Ing. C. Olivetti & C., S.p.A.
    Inventors: Walter Gechele, Vincenzo Casolino