Communication method for locating a parked vehicle

Details Communication method for locating a parked vehicle Communication method for locating a parked vehicle

2011-08-23

2011-08-23

Pham, Toan N (Department: 2612)

Communications: electrical

Condition responsive indicating system

With particular coupling link

C340S991000, C340S988000, C340S005610

Reexamination Certificate

active

08004400

ABSTRACT:
A method of locating a parked vehicle that is equipped with a RKE system including a vehicle-installed RF communication module and a driver-borne wireless RF nomadic device such as a key fob involves installing a RFID tag in the nomadic device and a RFID interrogator in the vehicle. The driver depresses a button on the nomadic device to transmit a location request to the vehicle's communication module, and the RFID interrogator in turn emits a RF interrogation signal to identify the RFID tag and determine its location relative to the vehicle. The communication module then transmits a compass bearing to the nomadic device, and an indicator of the nomadic device is activated to provide the driver with a bearing for locating the vehicle.

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