Patents by Inventor Lyle D. Kraft

Lyle D. Kraft 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).

  • Redundant status indicators for fault tolerance
    Patent number: 6140926
    Abstract: A system includes multiple modules, each powered by a different power source, and a status indicator for a first of the modules. Any of the multiple modules can drive the status indicator. Each of the modules monitors the operation of the first module, driving the status indicator when the first module fails. Thus, even if a failure within the first module prevents the first module from driving the status indicator (e.g., a power failure), the status indicator is still driven by a second module.
    Type: Grant
    Filed: July 21, 1999
    Date of Patent: October 31, 2000
    Assignee: Hewlett-Packard Company
    Inventors: Todd Hayden, Jay D. Reeves, Lyle D. Kraft