Patents by Inventor Dugald MacDonald

Dugald MacDonald 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).

  • Event detection in sports
    Patent number: 11191997
    Abstract: According to an aspect of the present invention there is provided a method of detecting and categorising an event occurring on a sports field, the method comprising: obtaining a series of ball and player position data measurements; determining a rotation rate of the ball device over the time period from data received from the ball device; determining the player is likely in possession of the ball based on a plurality of possession tests comprising: comparing a current position of the ball device and the player device to identify a relative distance between the ball device and the player device and calculating if the relative distance is lower than a reference value; comparing an obtained velocity of the ball device and the player device, respectively, to identify a relative velocity of the ball device with respect to the player device and calculating if the relative velocity is lower than a reference value; and, calculating if the rotation rate of the ball device is lower than a reference value; subsequently
    Type: Grant
    Filed: July 23, 2018
    Date of Patent: December 7, 2021
    Assignee: Sportable Technologies Ltd.
    Inventors: Peter Husemeyer, Dugald MacDonald, Daniel Davson, Alexander Mavros
  • EVENT DETECTION IN SPORTS
    Publication number: 20200246661
    Abstract: According to an aspect of the present invention there is provided a method of detecting and categorising an event occurring on a sports field, the method comprising: obtaining a series of ball and player position data measurements; determining a rotation rate of the ball device over the time period from data received from the ball device; determining the player is likely in possession of the ball based on a plurality of possession tests comprising: comparing a current position of the ball device and the player device to identify a relative distance between the ball device and the player device and calculating if the relative distance is lower than a reference value; comparing an obtained velocity of the ball device and the player device, respectively, to identify a relative velocity of the ball device with respect to the player device and calculating if the relative velocity is lower than a reference value; and, calculating if the rotation rate of the ball device is lower than a reference value; subsequently
    Type: Application
    Filed: July 23, 2018
    Publication date: August 6, 2020
    Applicant: Sportable Technologies Ltd.
    Inventors: Peter Husemeyer, Dugald MacDonald, Daniel Davson, Alexander Mavros