Patents by Inventor Bradley E. Hanson

Bradley E. Hanson 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).

  • Customized data recovery procedures selected responsive to readback errors and transducer head and disk parameters
    Patent number: 5379162
    Abstract: A method and apparatus are provided for data recovery in a disk drive data storage system of the type including at least one disk surface and at least one transducer head for reading and/or writing data to a respective disk surface. A plurality data recovery procedures (DRPs) are stored. When a readback error is detected in a readback data signal, a plurality of predetermined transducer head and disk parameters are identified. One of the stored plurality of data recovery procedures (DRPs) is selected responsive to the detected readback error and the identified plurality of predetermined transducer head and disk parameters.
    Type: Grant
    Filed: August 19, 1993
    Date of Patent: January 3, 1995
    Assignee: International Business Machines Corporation
    Inventors: Earl A. Cunningham, Bradley E. Hanson