Patent ID: 8386176
Filing Date: 2013-02-26
Classification: B60R,G08G,Y02T

Abstract:
1. A vehicle position transmission system mounted on a vehicle, comprising: a wireless communication equipment; a position measuring unit which measures a position of the vehicle; and a state controlling unit which controls the vehicle position transmission system from an operating state to a stand-by state upon detecting at least one condition indicating that an ignition switch or an accessory switch of the vehicle is switched from ON to OFF, and transmits a position signal from the wireless communication equipment to an outside equipment using a last opportunity before transiting the vehicle position transmission system to a sleeping state from the stand-by state upon detecting the at least one condition without receiving a request for the position signal from the outside equipment; wherein the operating state is a state in which the wireless communication equipment and other equipment group mounted on the vehicle other than the wireless communication equipment is capable of being controlled, the stand-by state is a state in which the wireless communication equipment is capable of communicating with the outside equipment but on the other hand the operation of the other equipment group is incapable of being controlled, and the supplied power to the vehicle position transmission system is lower than the supplied power thereto in the operating state, and is a state in which the vehicle position transmission system returns back to after temporarily transiting to the operating state in the case where the wireless communication equipment receives a request signal from the outside equipment, and the sleeping state is a state in which the wireless communication equipment is incapable of communicating with the outside equipment and also the operation of the other equipment group is incapable of being controlled, and the supplied power to the vehicle position transmission system is lower than the supplied power thereto in the stand-by state, and is a state in which the vehicle position transmission system is transited therefrom to the operating state in the case where the ignition switch or the accessory switch is switched from OFF to ON.