Patents Assigned to TMC Consultants LTD
  • Tracking unit signal filter
    Patent number: 6882907
    Abstract: A tracking unit signal filter 10 for a vehicle, typically tractor/trailer combinations, having at least one signal input 15-17 for receiving a respective signal A, B or C indicative of a respective vehicle parameter eg. signal C for sensing tractor/trailer coupling, and processor means 28 operable to pass the signal C after a predetermined time delay TC, if said signal is stable, and which is also operable to maintain said stable signal C if the signal is interrupted for less than a predetermined time interval tc.
    Type: Grant
    Filed: June 28, 2001
    Date of Patent: April 19, 2005
    Assignee: TMC Consultants LTD
    Inventors: Rudolf A Bure, Philip Hutchings