Patents by Inventor Jonathan Quayle

Jonathan Quayle 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).

  • Thermal protection for lamp ballasts
    Patent number: 7675250
    Abstract: The output current of a ballast is dynamically limited when an over-temperature condition is detected in the ballast according to one of (i) a step function or (ii) a combination of step and continuous functions, so as to reduce the temperature of the ballast while continuing to operate it.
    Type: Grant
    Filed: July 18, 2006
    Date of Patent: March 9, 2010
    Assignee: Lutron Electronics Co., Inc.
    Inventors: Venkatesh Chitta, Mark S. Taipale, Jonathan Quayle, Thomas Richard Hinds
  • Thermal protection for lamp ballasts
    Publication number: 20060255751
    Abstract: The output current of a ballast is dynamically limited when an over-temperature condition is detected in the ballast according to one of (i) a step function or (ii) a combination of step and continuous functions, so as to reduce the temperature of the ballast while continuing to operate it.
    Type: Application
    Filed: July 18, 2006
    Publication date: November 16, 2006
    Applicant: LUTRON ELECTRONICS CO., INC.
    Inventors: Venkatesh Chitta, Mark Taipale, Jonathan Quayle, Thomas Hinds