×

Automatic vehicle testing apparatus

  • US 4,656,586 A
  • Filed: 08/06/1984
  • Issued: 04/07/1987
  • Est. Priority Date: 08/09/1983
  • Status: Expired due to Fees
First Claim
Patent Images

1. An automatic vehicle testing apparatus for testing control units on a plurality of vehicles, said plurality of vehicles including a first vehicle having a central station and an associated control unit and at least one second vehicle having a terminal station and an associated control unit, said control units being of the type responsive to response signals for providing operating signals as an output, said apparatus comprising:

  • response signal generating means at each vehicle coupled to the central or terminal station of its respective vehicle and to the control unit of its respective vehicle and responsive to a test signal for providing a response signal to said control unit;

    measuring means at each vehicle, coupled to said central or terminal station of its respective vehicle and coupled to the control unit of its respective vehicle, and responsive to an operating signal output from said control unit for generating operating condition data indicative of the operating condition of its respective control unit;

    first means at said central station for transmitting a test signal to each terminal station;

    second means, at said central station and at each terminal station, responsive to the sending of said test signal by said first means for applying said test signal to the associated response signal generating unit, whereby each response signal generating unit provides a response signal to its associated control unit to cause said associated control unit to provide an operating signal to its associated measuring unit;

    means in the terminal station at each second vehicle for receiving the operating condition data from its respective measuring unit means and for forwarding said operating condition data to said central station; and

    means coupled to said central station for receiving and processing said operating condition data.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×