System and method of locating vehicles with keylock signals

Details System and method of locating vehicles with keylock signals System and method of locating vehicles with keylock signals

2007-01-05

2009-08-04

Nguyen, Phung (Department: 2612)

Communications: electrical

Vehicle position indication

Reexamination Certificate

active

07570179

ABSTRACT:
A wireless key is signal, having a key-specific identifier, is received, the key-specific identifier detected, and the signal transmission location is calculated. The signal transmission location is stored based on the detected key-specific identifier. Another instance of the same wireless key signal is received, its key-specific identifier is detected, and the stored signal transmission location is retrieved based on the detected key-specific identifier. Optionally, a wireless key signal is received at a user and repeated at a plurality of locations in a parking facility. A vehicle response is detected, and associated with one of the repeatings of the wireless key signal. A location of the vehicle response is detected based on the repeating with which it is associated.

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