Patents by Inventor Patrick Beckrow Chu

Patrick Beckrow Chu 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).

  • Preload modulation to reduce head motion hysteresis
    Patent number: 7889627
    Abstract: An apparatus includes a data storage media and a plurality of heads, the data storage media and heads being structured and arranged for relative movement between the heads and storage media causing the heads to move along a scan path, and an actuator for changing a magnitude of head to media force as the heads move along the scan path. A method for reducing head motion hysteresis is also provided.
    Type: Grant
    Filed: November 5, 2007
    Date of Patent: February 15, 2011
    Assignee: Seagate Technology LLC
    Inventors: Narayanan Ramakrishnan, Patrick Beckrow Chu, Mark David Bedillion
  • Preload Modulation to Reduce Head Motion Hysteresis
    Publication number: 20090116366
    Abstract: An apparatus includes a data storage media and a plurality of heads, the data storage media and heads being structured and arranged for relative movement between the heads and storage media causing the heads to move along a scan path, and an actuator for changing a magnitude of head to media force as the heads move along the scan path. A method for reducing head motion hysteresis is also provided.
    Type: Application
    Filed: November 5, 2007
    Publication date: May 7, 2009
    Applicant: Seagate Technology LLC
    Inventors: Narayanan Ramakrishnan, Patrick Beckrow Chu, Mark David Bedillion