Patents Assigned to Cellutrac, Inc.
  • Vehicle tracking and security system incorporating simultaneous voice and data communication
    Patent number: 6140956
    Abstract: A system which tracks and monitors a vehicle by utilizing cellular communication componentry and global positioning system componentry is disclosed. The system provides for simultaneous and continuous transmission of a voice signal and location data to a monitoring center. The monitoring center comprises componentry to communicate with the vehicle and determine the vehicle's location on a digitized map using a computer.
    Type: Grant
    Filed: June 25, 1997
    Date of Patent: October 31, 2000
    Assignee: Cellutrac, Inc.
    Inventors: Robert L. Hillman, Barry L. Dorr