INTELLIGENT WIRELESS POWER CHARGING SYSTEM
First Claim
1. 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.
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Accused Products
Abstract
A system and methodology for intelligent power management of wirelessly networked devices. The system provides for reliable wireless communication via a wireless power charging method and, a method to maintain power capacity of batteries in a wireless device. The batteries are charged via an RF harvesting unit embedded inside the wireless device. An intelligent wireless power charging system further comprises at least two batteries and at least two RF adaptor devices coupled to an AC power line. The first adaptor is set for data communication while the second adaptor is used to transmit the power. In addition, when a first battery is in use during active mode, the second battery is subjected to wireless charging.
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Citations
26 Claims
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1. 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:
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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. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. An adaptor device, for coupling to an AC power receptacle providing AC power signals, for use in an intelligent power management system for wirelessly networked devices, said adaptor device comprising:
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a power charge unit receiving said AC power signals and generating and transmitting RF power signals for powering a wirelessly networked device, said power charge unit comprising; a signal converter means for generating a dc signal commensurate with said received AC power signals; a frequency generator device receiving said generated dc signal and selecting a RF power signal frequency according to said generated dc signal; and
, RF power amplifier for generating said transmitted RF power signals for powering a wirelessly networked device at said selected RF power signal frequency;a transmitter device for transmitting wireless data communication signals to said wirelessly networked device, and a receiver device for receiving wireless data communication signals from said wirelessly networked device; and
,a single antenna device adapted to receive wireless data communication signals from or send wireless signals to said wirelessly networked device and simultaneously, transmit said RF power signals for powering a wirelessly networked device, wherein said wireless data communication signals and said RF power signals are transmitted to said wirelessly networked device via said antenna device at a respective different RF frequency. - View Dependent Claims (18, 19, 20, 21, 22, 23)
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17. A method of remote intelligent charging of wirelessly networked devices, said device having one or more chargeable energy storage devices for powering said networked device, said method comprising:
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receiving, at an adaptor device coupled to an AC power receptacle, AC power signals, said adaptor device having a transmitter device for transmitting wireless data communication signals to said wirelessly networked device, and a receiver device for receiving wireless data communication signals from said wirelessly networked device; generating, at said adaptor device, RF power signals from said received AC power signals for wireless transmission to a wirelessly networked device; and
,transmitting, via an RF transmitter at said adaptor device, said RF power signals for powering a wirelessly networked device, wherein said adaptor device includes a single antenna device adapted to receive wireless data communication signals from or send wireless signals to said wirelessly networked device in a first operation mode, and in a second operation mode, to transmit said RF power signals for powering a wirelessly networked device; receiving, at said wirelessly networked device, said transmitted RF power signals; and
,converting said received RF power signals into charge current suitable for charging said wirelessly networked device; monitoring a device power level status indicating a state of charge of said one or more energy storage devices; and
,switching a charging current in or out, via a switch device coupled to said one or more chargeable energy storage devices, to charge an energy storage device according to a determined device power level status;
wherein said switching device enables switching in a charge current for charging said energy storage device when a device power level status is determined below an acceptable limit. - View Dependent Claims (24)
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25. 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:
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a first adaptor device, for coupling to an AC power receptacle, having a transmitter device for transmitting wireless data communication signals to a wirelessly networked device, and a receiver device for receiving wireless data communication signals from said wirelessly networked device, said first adaptor device providing an interface for communicating data signals to a network via AC power lines; a second adaptor device, for coupling to an to an AC power receptacle providing AC power signals, and adapted for wireless data communication with said wirelessly networked device, said second adaptor device further comprising a power charge unit receiving said AC power signals and generating and transmitting RF power signals for powering a wirelessly networked device; said first adaptor device including a single antenna device adapted to receive wireless data communication signals from or send wireless signals to said wirelessly networked device, and, said second adaptor device including a single antenna device adapted to transmit said RF power signals for powering said wirelessly networked device, said wirelessly networked device receiving simultaneously both said wireless data communication signals from said first adaptor device and RF power signals from said second adaptor device; a power harvesting unit, provided at said wirelessly networked device, including RF energy converter unit 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, at said wirelessly networked 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 for wireless device power charging to maintain continuously an energy storage device at a proper charge level.
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26. 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:
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a first adaptor device, for coupling to an AC power receptacle, having a transmitter device for transmitting wireless data communication signals to a wirelessly networked device, and a receiver device for receiving wireless data communication signals from said wirelessly networked device, said first adaptor device providing an interface for communicating data signals to a network via AC power lines; a second adaptor device, for coupling to an to an AC power receptacle providing AC power signals, and adapted for wireless data communication with said wirelessly networked device, said second adaptor device further comprising a power charge unit receiving said AC power signals and generating and transmitting RF power signals for powering a wirelessly networked device; said first adaptor device including a single antenna device adapted to receive wireless data communication signals from or send wireless signals to said wirelessly networked device, and, said second adaptor device including a single antenna device adapted to transmit said RF power signals for powering said wirelessly networked device, said wirelessly networked device receiving simultaneously both said wireless data communication signals from said first adaptor device and RF power signals from said second adaptor device; a power harvesting unit, provided at said wirelessly networked device, including RF energy converter unit 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, at said wirelessly networked 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, said one or more energy storage devices includes a primary battery for powering said wirelessly networked device, and, further includes a back-up battery, said switching device controllable for switching out powering of wirelessly networking device from said primary battery and initiate charging operations for said primary battery when said primary battery is determined to have a device power level status below an acceptable limit, and, seamless switching in said back-up battery for powering wirelessly networked device operations, wherein, said system provides wireless device power charging to maintain an energy storage device at a proper charge level.
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Specification