Patent ID: 7496204
Filing Date: 2009-02-24
Classification: B60R,E05B,F02D,F02N,G07C

Abstract:
1. A passive entry system comprising: transmission means provided on a vehicle for transmitting a radio wave having specific information; portable means carried by a driver for receiving the radio wave from the transmission means and transmitting a radio wave having inherent information based on reception of the received radio wave from the transmission means; reception means for receiving the radio wave transmitted from the portable means; authentication means for authenticating a legitimateness of the portable means when information carried by the radio wave received by the reception means matches predetermined information as a result of a comparison therebetween; and control means for supplying power for predetermined electric equipment provided on the vehicle when the legitimateness of the portable means is authenticated by the authentication means so as to set an engine ready for start, wherein the portable means comprises: when the detection means detects that the key is located at the protruding position, a predetermined radio wave is transmitted from the portable means to the reception means, so that an engine is stopped by the control means.