Patents by Inventor David Alexander Swarbrick

David Alexander Swarbrick 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).

  • Vehicle activity tracking
    Patent number: 6789013
    Abstract: A unitary vehicle tracking device having a GPS receiver, a radio transmitter, which preferably is a mobile phone modem integrated within a single waterproof housing suitable for mounting on the top exterior of the vehicle. The housing is transparent to radio signals and the GPS and mobile phone antennas are mounted on a common board above the other components. Preferably the mobile phone antenna is of the halo type and is mounted above and in registration with the GPS antenna so as not to interfere with the field of view of the GPS antenna.
    Type: Grant
    Filed: March 26, 2002
    Date of Patent: September 7, 2004
    Assignee: Navman NZ Limited
    Inventors: David Allan Annett, David Alexander Swarbrick
  • Vehicle activity tracking
    Publication number: 20020156576
    Abstract: A unitary vehicle tracking device having a GPS receiver, a radio transmitter, which preferably is a mobile phone modem integrated within a single waterproof housing suitable for mounting on the top exterior of the vehicle. The housing is transparent to radio signals and the GPS and mobile phone antennas are mounted on a common board above the other components. Preferably the mobile phone antenna is of the halo type and is mounted above and in registration with the GPS antenna so as not to interfere with the field of view of the GPS antenna.
    Type: Application
    Filed: March 26, 2002
    Publication date: October 24, 2002
    Inventors: David Allan Annett, David Alexander Swarbrick