Electronic anti-collison device carried on board a vehicle

  • US 5,289,182 A
  • Filed: 01/09/1992
  • Issued: 02/22/1994
  • Est. Priority Date: 10/16/1991
  • Status: Expired due to Fees
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First Claim
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1. An electronic device carried on board vehicles and for transmitting information from a vehicle to a vehicle following it over a given route and for receiving information coming from a vehicle preceding it over this same route wherein there is provided:

  • for transmitting information;

    a chronometric scanner adapted to detect a possible deceleration of the vehicle by comparing, at specific time intervals values of speed such that said values of speed are communicated to said scanner by a sensor and, in the event that the deceleration detected exceeds a certain threshold, to send a corresponding signal to a radio transmitter device;

    said radio transmitter device adapted to transmit a deceleration signal via a directional antenna placed at the rear of the vehicle, andfor receiving information;

    a radio receiver device adapted to receive, via a directional antenna placed at the front of the vehicle, a deceleration signal emitted by a vehicle preceding it and to transmit said deceleration signal to an alarm circuit,said alarm circuit adapted to emit, in the event of receiving a deceleration signal, a visual and/or audible alarm in the passenger compartment of the vehicle,and the said transmitter and said receiver are connected to a frequency selector which is manually or automatically controlled to select a frequency based upon the direction of the traffic and of the route taken by the vehicle.

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