Patents by Inventor Ronald A. Oreshan

Ronald A. Oreshan 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).

  • Data transfer bus system and method serving multiple parallel asynchronous units
    Patent number: 5333301
    Abstract: A system and method for transferring data between a single channel unit and multiple asynchronous storage devices. One embodiment of the present invention uses read strobe signals to indicate when the storage devices are to send data over a data bus, and to initiate a validity count-down which indicates when the data on the data bus is valid. When the count-down has completed, the data on the data bus is sampled. Another embodiment further includes checking the data for array parity errors while the data is sent and received to and from the storage devices.
    Type: Grant
    Filed: December 14, 1990
    Date of Patent: July 26, 1994
    Assignee: International Business Machines Corporation
    Inventors: Dennis P. Cheney, James N. Dieffenderfer, Ronald A. Oreshan, Robert J. Yagley