Patents by Inventor Kelvin Edward Lea

Kelvin Edward Lea 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).

  • Location, communication and tracking systems
    Patent number: 7737861
    Abstract: A passenger location system comprises a plurality of radio transceivers at predetermined locations in a passenger terminal facility. At least one transponder is associated in use with a passenger. The transponder is adapted to transmit a radio signal in response to receiving a signal from one or more of the transceivers. The transponder signal is capable of being received by more that one transceiver. The passenger location means is adapted to determine the position of the transponder by determining the location of the one or more transceiver that have received the transponder signal.
    Type: Grant
    Filed: June 19, 2002
    Date of Patent: June 15, 2010
    Assignee: Paxflow Holdings Pte Ltd.
    Inventors: Kelvin Edward Lea, Jonathan Rae Lowther
  • Location, communication and tracking systems
    Publication number: 20040169589
    Abstract: A passenger location system comprises a plurality of radio transceivers at predtermined locations in a passenger terminal facility. At least one transponder is associated in use with a passenger. The transponder is adapted to transmit a radio signal in response to receiving a signal from one or more of the transceivers. The transponder signal is capable of being received by more that one tranceiver. The passenger location means is adapted to determine the position of the transponder by determining the location of the one or more transceiver that have received the transponder signal.
    Type: Application
    Filed: December 18, 2003
    Publication date: September 2, 2004
    Inventors: Kelvin Edward Lea, Jonathan Rae Lowther