A retrofit trailer board system for vehicles is disclosed, comprising a trailer board (10) carrying a plurality of signalling lights (22 - 27) on a surface thereof, and a relaying control unit (9) which is connected between the trailer board (10) and a plurality of optical sensors (11a - f). Each optical sensor (11) is arranged for removable connection to the exterior surface of respective vehicle lights (7), each sensor (11) being configured to issue a signal responsive to operation of a vehicle light (7).


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    Title :

    Signalling system


    Contributors:
    BEN SNELL (author)

    Publication date :

    2021-12-15


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B60Q ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL , Anordnung von Signal- oder Beleuchtungsvorrichtungen, deren Einbau oder Halterung oder deren Schaltkreise bei Fahrzeugen allgemein / G01S RADIO DIRECTION-FINDING , Funkpeilung



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