Patent ID: 7663490
Filing Date: 2010-02-16
Classification: H04Q

Abstract:
1. A system for efficiently monitoring human activity, the system comprising: a gate radio to transmit a power management signal, the gate radio to draw power from electrical wiring in a building; an adjustment mechanism in the gate radio to allow the power management signal to be adjusted to a selected range; a wearable, battery-powered data processing system; a high power radio module in the wearable, battery-powered data processing system, high power radio module capable of wirelessly retrieving data from an external radio frequency identifier (RFID) tag; a low power radio module in the wearable, battery-powered data processing system, the low power radio module capable of wirelessly communicating with a base station concerning the data retrieved from the external RFID tag, wherein the low power radio module is also capable of wirelessly receiving the power management signal transmitted by the gate radio when the wearable, battery-powered data processing system is within the selected range of the gate radio; and a power management engine in the wearable, battery-powered data processing system, the power management engine to perform operations comprising: