Patents by Inventor Philip Edward Roy Galloway

Philip Edward Roy Galloway 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 method for determining receiver performance in a multilateration system
    Patent number: 7928908
    Abstract: In a multilateration system receivers are grouped into two groups. The first group is used to determine a position of a signal source, for example, an aircraft equipped with a SAR transponder. From the determined position, predicted time of arrival values are produced for the second group receivers. These are compared with the actual time of arrival values for the signals arriving at the second group receivers. A difference is determined and then the variation of that difference is determined as the aircraft travels in its track. The groupings are then varied and further variations determined. When the minimum variation is determined an alert is given that the second group has a receiver which is operating with a larger than desirable group time delay.
    Type: Grant
    Filed: May 4, 2006
    Date of Patent: April 19, 2011
    Assignee: Roke Manor Research Limited
    Inventors: James Joseph Fisher, Philip Edward Roy Galloway, Timothy John Quilter, Robert John Weedon
  • Apparatus and Method for Determining Receiver Performance in a Multilateration System
    Publication number: 20090027270
    Abstract: In a multilateration system receivers are grouped into two groups. The first group is used to determine a position of a signal source, for example, an aircraft equipped with a SAR transponder. From the determined position, predicted time of arrival values are produced for the second group receivers. These are compared with the actual time of arrival values for the signals arriving at the second group receivers. A difference is determined and then the variation of that difference is determined as the aircraft travels in its track. The groupings are then varied and further variations determined. When the minimum variation is determined an alert is given that the second group has a receiver which is operating with a larger than desirable group time delay.
    Type: Application
    Filed: May 4, 2006
    Publication date: January 29, 2009
    Applicant: Roke Manor Research Limited
    Inventors: James Joseph Fisher, Philip Edward Roy Galloway, Timothy John Quilter, Robert John Weedon