Patents by Inventor Chrstopher Peter Kirk

Chrstopher Peter Kirk 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).

  • RF Confinement System
    Publication number: 20140152508
    Abstract: A system of locating a moveable RFID transceiver, in which the moveable transceiver is capable of sending and receiving TOF (Time of fight) signals, and also includes battery powered base stations suitable for outdoor use, and capable of sending and receiving TOF signals. The system measures the signals to derive time of flight information between the moveable transceiver and the base stations and using this data to calculate the position of the moveable transceiver. The position of the base stations may be fixed using TOF signals before attempting location of the moveable RFID transceiver. The base stations may be solar powered, and can work with a base network of only 2 base stations.
    Type: Application
    Filed: November 30, 2013
    Publication date: June 5, 2014
    Applicant: PET MATE LIMITED
    Inventors: Chrstopher Peter Kirk, Steve Martin Brooks