A method of determining a vehicle position of a vehicle 1 is provided using an ultrasonic beacon 20. An ultrasonic sensor 12 of vehicle 1 transmits an encoded ultrasonic signal 40 which comprises a transmission code. Ultrasonic signal 40 is received by beacon 20 and, in response to detection of ultrasonic signal 40, beacon 20 transmits a position signal 42 which is received by ultrasonic sensor 12 of vehicle 1. The vehicle position is determined relative to the position of beacon 20 using a travel time which has elapsed from transmission of ultrasonic signal 40 to reception of position signal 42. A beacon 20 and driver assistance system 10 suitable for use with the method are also disclosed; the system is particularly suitable for accurate movement of a vehicle to a target position 38, which may be a garage 32 where vehicle 1 may park. Beacon 20 may have an energy-saving mode and may be awakened on detection of an activation code in signal 40.


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    Title :

    Method of determining a vehicle position


    Contributors:

    Publication date :

    2021-04-28


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge / G01S RADIO DIRECTION-FINDING , Funkpeilung / G05D SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES , Systeme zum Steuern oder Regeln nichtelektrischer veränderlicher Größen



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