Patent ID: 6335576
Filing Date: 2002-01-01
Classification: B60R

Abstract:
Apparatus adapted to be mounted in a vehicle for use in a remote keyless entry system for controlling access to said vehicle, said apparatus comprising:means for receiving access request signals from a plurality of remote transmitters wherein each received access request signal includes a security code that uniquely identifies an authorized transmitter as distinguished from other transmitters and an associated model type code that identifies a vehicle model type associated with the transmitter; first memory means; second memory means that stores a model type code that identifies said vehicle's model type; first means for initiating programming periods; second means responsive only during a said programming period for determining whether a received model type code that is received during said programming period matches the stored model type code and, if so, then during the same said programming period storing the associated received security code in said first memory means for subsequent evaluation during a non-programming period of a received security code with the stored security code for allowing access into said vehicle in accordance with said evaluation.