Patents by Inventor Hoa V. Le

Hoa V. Le 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).

  • Disk drive and method having cost-effective storage of the disk drive's internal program code
    Patent number: 7440214
    Abstract: Disclosed is a disk drive having a disk, a masked read-only memory (ROM) device, a reprogrammable nonvolatile memory device, and a microprocessor for executing program code. The disk has a magnetic data storage surface with embedded servo wedges for defining data storage tracks including reserve tracks. The masked ROM device stores program code for implementing a spindle motor controller, program code for implementing a portion of a servo controller for track following along a data storage track, and program code for implementing a portion of a disk controller for controlling writing disk data to and reading disk data from the reserve tracks. The reprogrammable nonvolatile memory device stores data parameters relating to the disk drive's configuration. The reserve tracks store program code for implementing a cache control system for controlling caching of disk data in a cache memory.
    Type: Grant
    Filed: April 30, 2003
    Date of Patent: October 21, 2008
    Assignee: Western Digital Technologies, Inc.
    Inventors: Travis E. Ell, Hanan Kupferman, Hoa V. Le, Jonathan V. Nguyen, Saied Tamaddon-Dallal, Virat Thantrakul, Teik Ee Yeo