| US 9,811,956 B2 | ||
| Passive entry system and method for a vehicle | ||
| Riad Ghabra, Dearborn Heights, MI (US) | ||
| Assigned to Lear Corporation, Southfield, MI (US) | ||
| Filed by Lear Corporation, Southfield, MI (US) | ||
| Filed on Sep. 1, 2015, as Appl. No. 14/842,002. | ||
| Application 14/842,002 is a continuation of application No. 12/478,931, filed on Jun. 5, 2009, granted, now 9,129,454. | ||
| Prior Publication US 2015/0371471 A1, Dec. 24, 2015 | ||
| Int. Cl. G07C 9/00 (2006.01); B60R 25/00 (2013.01) | ||
| CPC G07C 9/00103 (2013.01) [B60R 25/00 (2013.01); G07C 9/00309 (2013.01); G07C 2209/63 (2013.01)] | 20 Claims |
| 1. A method comprising:
transmitting polling signals from antennas at respective positions about a vehicle, each polling signal including identifying
information;
receiving an acknowledgement signal from a remote unit, the acknowledgement signal including data within the acknowledgment
signal indicative of each polling signal received by the remote unit; and
determining a position of the remote unit relative to the vehicle based upon the data within the acknowledgement signal.
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