Patents by Inventor Ladawan Johnson

Ladawan Johnson 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).

  • Memory card having first modular component with host interface wherein the first modular is replaceable with a second modular component having second host interface
    Patent number: 7114015
    Abstract: A memory card comprising a first modular component that comprises a first host interface and a first host interface module and a device interface module configured to operate a device interface that is coupled to a storage device. The first host interface module is configured to call a function in the device interface module. The first modular component is replaceable with a second modular component that comprises a second host interface and a second host interface module, and the second host interface module is configured to call the function in the device interface module.
    Type: Grant
    Filed: September 3, 2003
    Date of Patent: September 26, 2006
    Assignee: Seagate Technology LLC
    Inventors: Mauricio Huerta Alva, Robin Alexis Takasugi, Tracy Ann Sauerwein, Ladawan Johnson
  • Methods and arrangements for providing bi-directional control between data storage drives and automation controllers
    Patent number: 6574696
    Abstract: An arrangement includes at least one data storage device, an automation controller, and an enhanced interface. The data storage device is connected to a computer and arranged to perform a plurality of operations in response to one or more commands received from the computer. The automation controller is configured to physically provide the data storage device with at least one data storage media. The enhanced interface operatively couples the data storage device with the automation controller, such that the data storage device can be selectively controlled by the automation controller and the automation controller can be selectively controlled by the data storage device depending on the received commands. The enhanced interface includes a standard serial interface and at least one additional line. The additional line is configured to provide a directing signal from the data storage device to the automation controller.
    Type: Grant
    Filed: March 7, 2000
    Date of Patent: June 3, 2003
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Steve Jerman, Mark J. Simms, Robert J. Lang, Ladawan Johnson, Paul F. Bartlett, Brad W. Culp