Patents by Inventor Caryl A. Thorn

Caryl A. Thorn 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).

  • Independent computer storage addressing in input/output transfers
    Patent number: 5634007
    Abstract: A method and apparatus for performing direct memory address (DMA) operations between a requestor and responder device by prestoring, for each device, a logical token and offset value which is recognizable by the device as an indicia to identify one or more local memory addresses within the device, and initiating a DMA operation within the requestor device by the requestor device transferring the token and offset value to the responder device, the responder device identifying a responder device local memory address by translation of the token and offset value, and the responder device accessing the identified responder local memory address for data transfer, associated with the token and offset, and the requestor device identifying a requestor device local memory address for completing the data transfer.
    Type: Grant
    Filed: March 2, 1995
    Date of Patent: May 27, 1997
    Assignee: International Business Machines Corporation
    Inventors: Salvatore A. Calta, Robert B. Cook, Fernando A. Luiz, Gregory M. Nordstrom, Martin W. Sachs, Caryl A. Thorn