Patents by Inventor Maheswaran Tharumalingam

Maheswaran Tharumalingam 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).

  • Recording defects on a hard drive
    Patent number: 8345367
    Abstract: A method for recording defects on a hard drive is provided. The method includes mapping a plurality of primary windows. Each primary window contains a respective plurality of data sectors on a disk of a hard drive. Each of the respective plurality of data sectors contains at least one defect. The method includes recording a location of each primary window in a defect log of the disk, and mapping a plurality of secondary windows if recording the location of each primary window fails. Each secondary window contains a respective plurality of data sectors containing at least one defect. The number of data sectors contained in each of the plurality of primary windows is different from the number of data sectors contained in each of the plurality of secondary windows. The method includes recording a location of each secondary window in the defect log of the disk.
    Type: Grant
    Filed: December 23, 2010
    Date of Patent: January 1, 2013
    Assignee: Western Digital Technologies, Inc.
    Inventor: Maheswaran Tharumalingam