Patent ID: 7898994
Filing Date: 2011-03-01
Classification: H04W,Y02D

Abstract:
1. A mobile computing device, comprising: a first microprocessor configured to operate a plurality of applications and having a sleep mode and a wake mode; a second microprocessor configured to provide wireless communication over a network; a universal serial bus; and a universal serial bus controller having on, off and suspend states, the universal serial bus controller coupled to the first microprocessor and configured to provide universal serial bus communication with the second microprocessor, wherein after processing a message on the universal serial bus, the universal serial bus controller is configured to enter the off state while the first microprocessor is in a sleep state; and a serial communication bus controller coupled to the first microprocessor, the serial communication bus controller having an on state and an off state, wherein the universal serial bus controller is configured to be put in the off state when the serial communication bus controller is in the on state.