Patents by Inventor Theron W. Virgin

Theron W. Virgin 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 storage system with stale data mechanism and method of operation thereof
    Patent number: 9448946
    Abstract: Systems, methods and/or devices are used to enable a stale data mechanism. In one aspect, the method includes (1) receiving a write command specifying a logical address to which to write, (2) determining whether a stale flag corresponding to the logical address is set, (3) in accordance with a determination that the stale flag is not set, setting the stale flag and releasing the write command to be processed, and (4) in accordance with a determination that the stale flag is set, detecting an overlap, wherein the overlap indicates two or more outstanding write commands are operating on the same memory space.
    Type: Grant
    Filed: July 15, 2014
    Date of Patent: September 20, 2016
    Assignee: SANDISK TECHNOLOGIES LLC
    Inventors: James M. Higgins, Theron W. Virgin
  • Data Storage System with Stale Data Mechanism and Method of Operation Thereof
    Publication number: 20150046665
    Abstract: Systems, methods and/or devices are used to enable a stale data mechanism. In one aspect, the method includes (1) receiving a write command specifying a logical address to which to write, (2) determining whether a stale flag corresponding to the logical address is set, (3) in accordance with a determination that the stale flag is not set, setting the stale flag and releasing the write command to be processed, and (4) in accordance with a determination that the stale flag is set, detecting an overlap, wherein the overlap indicates two or more outstanding write commands are operating on the same memory space.
    Type: Application
    Filed: July 15, 2014
    Publication date: February 12, 2015
    Inventors: James M. Higgins, Theron W. Virgin