Patents by Inventor Marcus Daniel O'Sullivan

Marcus Daniel O'Sullivan 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).

  • Connection apparatus
    Patent number: 9148138
    Abstract: A connection apparatus for controlling the supply of electrical power to a load, the connection apparatus comprising first and second electrically controllable devices connected in parallel to each other and in series with the load; wherein the first and second electrically controllable devices are dissimilar, and where a safe operating area product of voltage, current and safe operating area time for the first device is greater than the product of voltage, current and the same safe operating area time for the second device, and an on state resistance for the second device is less than an on state resistance for the first device, and where a controller is provided to use the first device for a first period of time to power up the load, and thereafter the second device is used to maintain power to the load.
    Type: Grant
    Filed: June 7, 2011
    Date of Patent: September 29, 2015
    Assignee: Analog Devices, Inc.
    Inventors: Aldo Togneri, Marcus Daniel O'Sullivan
  • CONNECTION APPARATUS
    Publication number: 20120313687
    Abstract: A connection apparatus for controlling the supply of electrical power to a load, the connection apparatus comprising first and second electrically controllable devices connected in parallel to each other and in series with the load; wherein the first and second electrically controllable devices are dissimilar, and where a safe operating area product of voltage, current and safe operating area time for the first device is greater than the product of voltage, current and the same safe operating area time for the second device, and an on state resistance for the second device is less than an on state resistance for the first device, and where a controller is provided to use the first device for a first period of time to power up the load, and thereafter the second device is used to maintain power to the load.
    Type: Application
    Filed: June 7, 2011
    Publication date: December 13, 2012
    Inventors: ALDO TOGNERI, Marcus Daniel O'Sullivan