Patents by Inventor James Buckey

James Buckey 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).

  • Apparatus and methods for input protection for power converters
    Patent number: 8988841
    Abstract: Systems and methods in accordance with this invention provide a power converter including an input signal terminal, a first output signal at a first output signal terminal, and a controller. The controller is adapted to switch the first output signal from a first value to a second value, measure a voltage at the input signal terminal as a function of time, set a flag to a first flag value if the measured voltage falls below a predetermined value within a first predetermined time interval after the first output signal has been switched from the first value to the second value, otherwise set the flag to a second flag value, and save the flag in a memory. Numerous other aspects are also provided.
    Type: Grant
    Filed: September 6, 2012
    Date of Patent: March 24, 2015
    Assignee: Siemens Aktiengesellschaft
    Inventors: James Buckey, Ralph Flaugher, Shelby Chun, Narendranath Nagarur
  • APPARATUS AND METHODS FOR INPUT PROTECTION FOR POWER CONVERTERS
    Publication number: 20140063876
    Abstract: Systems and methods in accordance with this invention provide a power converter including an input signal terminal, a first output signal at a first output signal terminal, and a controller. The controller is adapted to switch the first output signal from a first value to a second value, measure a voltage at the input signal terminal as a function of time, set a flag to a first flag value if the measured voltage falls below a predetermined value within a first predetermined time interval after the first output signal has been switched from the first value to the second value, otherwise set the flag to a second flag value, and save the flag in a memory. Numerous other aspects are also provided.
    Type: Application
    Filed: September 6, 2012
    Publication date: March 6, 2014
    Applicant: SIEMENS INDUSTRY, INC.
    Inventors: James Buckey, Ralph Flaugher, Shelby Chun, Naren Nagarur