Patent ID: 6838783
Filing Date: 2005-01-04
Classification: B60R,F02D,G06F,H02J,H04L,Y02D

Abstract:
1. An assembly for controlling power consumption of at least one device supported on a vehicle having a communication bus over which signals are transmitted to or from the device, comprising: a controller that controls operation of the device; a power supply portion that derives power from a vehicle power source and provides power to the controller; a switch between the power supply portion and the vehicle power source, the switch having an open state opening the connection between the power supply portion and the vehicle power source when the device is in a sleep mode and a closed state closing the connection when the device is in an active mode; a transceiver that responds to a wake up signal provided on the communication bus; and a switch locking portion that responds to the transceiver to lock the switch into the closed state, the switch locking portion maintaining the switch in the closed state until the controller provides an indication that the device is to enter the sleep mode.