Detecting objects in the environment surrounding a vehicle by detecting an acoustic signal impinging thereon from a predetermined direction using a sensor 20, analyzing a sensor output signal (e.g. by auto-correlation or cross-correlation) relative to comparable features and, in the event of a potential collision between the vehicle and object, providing a warning to the vehicle driver, actively acting on the vehicle dynamics or activating anti-collision functions. The detected signal comprises either intrinsic noise generated by the own-vehicle or external noise from the environment. The system may use control data from the vehicle such as vehicle speed or engine speed. The sensor may comprise an electro-acoustic transducer 10 wherein a diaphragm 11 is surrounded by a heavier core housing 15 which is in turn embedded in a sound damping medium 15 within housing 16. Its directional characteristic may be adjustable by varying the core housing shape.


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    Title :

    PROCEDE ET DISPOSITIF POUR SAISIR DES OBJETS DE L'ENVIRONNEMENT D'UN VEHICULE


    Contributors:

    Publication date :

    2018-03-02


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    French


    Classification :

    IPC:    G08G Anlagen zur Steuerung, Regelung oder Überwachung des Verkehrs , TRAFFIC CONTROL SYSTEMS / B60W CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION , Gemeinsame Steuerung oder Regelung von Fahrzeug-Unteraggregaten verschiedenen Typs oder verschiedener Funktion



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