Patents Represented by Attorney, Agent or Law Firm Jonh H. Holcomsbe
  • Adjusting a read detection equalizer filter of a magnetic tape drive employing a recording format required control pattern
    Patent number: 6765741
    Abstract: Adjustment of a read detection equalizer filter of a magnetic tape drive is conducted utilizing a required control pattern signal which comprises a required portion of a normal recording format of the magnetic tape. An example comprises a data set separator signal. The sensed required control pattern signal is processed with respect to a target reference pattern signal to adapt the read detection equalizer filter to the target reference pattern signal.
    Type: Grant
    Filed: November 25, 2002
    Date of Patent: July 20, 2004
    Assignee: International Business Machines Corporation
    Inventors: David Berman, Mario Blaum, Glen Alan Jaquette, Constantin Michael Melas