Patent ID: 7482708

Claim:
A device for controlling a power distribution to subsystems, comprising a power input to be connected to a power source, a primary power output to be connected to a primary device; at least one secondary power output to be connected to at least one secondary device; sensing means for sensing when a current level falls below a threshold in response to the primary device being turned off or going into a standby mode and when the current level raises above a threshold in response to the primary device being turned on; executing means operatively connected with said sensing means and operative for interrupting a power supply to said at least one secondary device when the sensing means sense the current level below the threshold and supplying power to said at least one secondary device when said sensing means sense the current level above the threshold correspondingly and adjusting means for adjusting the threshold depending on a current of the primary device during periods of turning off, going into standby mode, and turning on, wherein said adjusting means is configured as means for adjusting a biasing voltage to said executing means; and means for increasing an output voltage of said current sensing means, said adjusting means including means for adjusting an increase of the output voltage of said current sensing means by said increasing means.