Dual range vehicle remote

Details Dual range vehicle remote Dual range vehicle remote

2008-07-08

2008-07-08

Zimmerman, Brian (Department: 2612)

Communications: electrical

Selective

Intelligence comparison for controlling

C340S005640

Reexamination Certificate

active

11030658

ABSTRACT:
A method and system are disclosed for operating a controller of and a RKE system to provide for short distance functions that are actuatable from a key fob at a shorter distance from the vehicle than other long distance functions. This may include receiving a desired type of radio frequency signal; actuating a high gain mode of a receiver of the controller; detecting a message from an acceptable remote keyless entry transmitter; decoding a function code portion of the message; changing the receiver from the high gain mode to a lower gain mode if the function code is not a long distance function; decoding a remaining portion of the message; determining if the remaining portion of the message was decoded properly; and performing the requested function if the remaining portion of the message was decoded properly.

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Marshall Brian, How Remote Entry Works, 20030115, How Stuff Works, pp. 1-3.

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