Disclosed is a system comprising a vehicle (1) which has an automatic, radio-based vehicle security unit (100) and an access control device (102), and comprising an access element (101) that is assigned to the vehicle security unit, the vehicle security unit having a plurality of low-frequency transmission antennae, and the access element having a low-frequency receiver, and the spatial position of the access element relative to the vehicle being determinable by the access control element using the principle of electromagnetic distance and angle measurement between the transmission antennae and the receiver, the system comprising an extra-vehicular induction charge unit (3) with a primary coil (4), the vehicle comprising a secondary coil (2) for inductively charging the vehicle at the induction charge unit, the induction charge unit having at least one low-frequency receiver antenna, and the position of the induction charge unit relative to the vehicle being determinable by the access control device using the principle of electromagnetic distance and angle measurement between at least two transmission antennae of the plurality of low-frequency transmission antennae and the at least one receiver antenna.
Positioning system with a radio-based locking system
2015-04-15
Patent
Elektronische Ressource
Englisch
IPC: | B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / G01S RADIO DIRECTION-FINDING , Funkpeilung / H01Q Antennen , ANTENNAS, i.e. RADIO AERIALS |
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