Patent ID: 8024012

Claim:
An intelligent power management system for wirelessly networked devices including one or more chargeable energy storage devices for powering said networked device, said system comprising: an adaptor device, adapted for coupling to an AC source, said adaptor device further comprising a power charge unit receiving said AC source and generating and transmitting RF power signals via a first transmitter for charging said chargeable energy storage devices of said wirelessly networked device; said adaptor further having a second transmitter device for transmitting wireless data communication signals from said AC source to said wirelessly networked device, and a receiver device for receiving wireless data communication signals from said wirelessly networked device to said AC source; and, a switchable antenna device switched to receive wireless data communication signals from or transmit wireless data communication signals to said wirelessly networked device in a first operation mode, and switched to transmit said RF power signals for powering a wirelessly networked device in a second operation mode, wherein said wirelessly networked device comprises: a power harvesting unit including an RF energy converter for receiving said transmitted RF power signals and converting said RF power signals into a charge current suitable for charging said wirelessly networked device; a switch device coupled to said one or more chargeable energy storage devices for switching in or out said charging current according to device power level status; and, a control unit for monitoring a device power level status indicating a state of charge of said one or more energy storage devices, said control unit operatively coupled to said switch device for enabling switching in a charge current for charging said energy storage device when a device power level status is determined below an acceptable limit, wherein, said system provides wireless device power charging to maintain an energy storage device at a proper charge level.