Patents by Inventor Conal Watterson

Conal Watterson 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).

  • Protection device
    Patent number: 11532934
    Abstract: Digital isolator devices, and many other devices, have a maximum device junction temperature, which, if exceeded, may cause device failure and the integrity of the isolation is no longer guaranteed. The use of an electronic fuse, eFuse, arranged in series with the digital isolator, provides a protection scheme for the digital isolator in which current is limited by the eFuse when it is determined that the supply current of the digital isolator exceeds a predetermined threshold that would the cause junction temperature to increase above an absolute maximum rating. As such, the integrity of the digital isolator is preserved in the event of a system fault.
    Type: Grant
    Filed: November 29, 2018
    Date of Patent: December 20, 2022
    Assignee: Analog Devices International Unlimited Company
    Inventors: Paul O'Sullivan, Maurice O'Brien, Donal G. O'Sullivan, Stefan Hacker, Conal Watterson
  • Bidirectional communication circuit and a method for operating a bidirectional communication circuit
    Patent number: 11469919
    Abstract: The present disclosure relates to a bidirectional communication circuit for bidirectional communication between a first differential wired network and a second differential wired network and a related method of operating the bidirectional communication circuit. In particular, the present disclosure relates to a bidirectional communication circuit designed to prevent timing glitches and simultaneous transmission of data from the first network to the second network and from the second network to the first network.
    Type: Grant
    Filed: September 17, 2020
    Date of Patent: October 11, 2022
    Assignee: Analog Devices International Unlimited Company
    Inventors: Neil Anthony Quinn, Conal Watterson
  • Bidirectional Communication Circuit and a Method for Operating a Bidirectional Communication Circuit
    Publication number: 20220086020
    Abstract: The present disclosure relates to a bidirectional communication circuit for bidirectional communication between a first differential wired network and a second differential wired network and a related method of operating the bidirectional communication circuit. In particular, the present disclosure relates to a bidirectional communication circuit designed to prevent timing glitches and simultaneous transmission of data from the first network to the second network and from the second network to the first network.
    Type: Application
    Filed: September 17, 2020
    Publication date: March 17, 2022
    Inventors: Neil Anthony Quinn, Conal Watterson
  • PROTECTION DEVICE
    Publication number: 20200176974
    Abstract: Digital isolator devices, and many other devices, have a maximum device junction temperature, which, if exceeded, may cause device failure and the integrity of the isolation is no longer guaranteed. The use of an electronic fuse, eFuse, arranged in series with the digital isolator, provides a protection scheme for the digital isolator in which current is limited by the eFuse when it is determined that the supply current of the digital isolator exceeds a predetermined threshold that would the cause junction temperature to increase above an absolute maximum rating. As such, the integrity of the digital isolator is preserved in the event of a system fault.
    Type: Application
    Filed: November 29, 2018
    Publication date: June 4, 2020
    Inventors: Paul O'Sullivan, Maurice O'Brien, Donal G. O'Sullivan, Stefan Hacker, Conal Watterson