RECEIVERS FOR WIRELESS POWER TRANSMISSION
First Claim
1. A receiver for a wireless power transmission, comprising:
- an antenna element 304 for sending and receiving RF signals;
a rectifier 306 connected to the antenna element 304 for rectifying alternating current generated by the antenna element 304 to direct current;
a power converter 308 connected to the rectifier for regulating the DC voltage for charging a portable electronic device directly or a battery associated with the electronic device; and
a communications component 310 for generating a communication RF signal identifying the battery level of the electronic device and a tracking location of the receiver with respect to a power transmitter, the power transmitter in response to the communication RF signal generating RF power waves controlled through phase and relative amplitude to form constructive and destructive interference patterns forming pockets of energy in 3-dimensional shape from the constructive interference patterns that are aimed at the antenna element 304 for powering the electronic device or for charging a battery connected to the receiver.
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0 Petitions
Accused Products
Abstract
The present invention may provide various electric receiver arrangements which may be used to provide wireless power transmission using suitable power transmission techniques such as pocket-forming. In some embodiments, receivers may include at least one antenna connected to at least one rectifier and one power converter. In other embodiments, receivers including a plurality of antennas, a plurality of rectifiers or a plurality of power converters may be provided. In addition, receivers may include communications components which may allow for communication to various electronic equipment including transmitters, phones, computers and others. Lastly, various implementation arrangements may be provided for including receivers in electronic devices.
288 Citations
20 Claims
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1. A receiver for a wireless power transmission, comprising:
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an antenna element 304 for sending and receiving RF signals; a rectifier 306 connected to the antenna element 304 for rectifying alternating current generated by the antenna element 304 to direct current; a power converter 308 connected to the rectifier for regulating the DC voltage for charging a portable electronic device directly or a battery associated with the electronic device; and a communications component 310 for generating a communication RF signal identifying the battery level of the electronic device and a tracking location of the receiver with respect to a power transmitter, the power transmitter in response to the communication RF signal generating RF power waves controlled through phase and relative amplitude to form constructive and destructive interference patterns forming pockets of energy in 3-dimensional shape from the constructive interference patterns that are aimed at the antenna element 304 for powering the electronic device or for charging a battery connected to the receiver. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A portable wireless power transmission receiver electrically connected to an electronic device for charging a battery or powering the device, comprising:
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at least one antenna for sending and receiving RF signals; a communications component connected to the antenna for sending communication RF signals representing the configuration and status of the electronic device including power requirements, battery level or spatial tracking location of the device; and circuitry for converting pockets of energy comprising constructive interference patterns of RF power waves generated from a source, aimed at the receiver by communication RF tracking location signals and the RF power waves received by the antenna of the receiver to convert the pockets of energy into DC voltage for charging the battery or operating the electronic device. - View Dependent Claims (16, 17, 18)
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19. A portable wireless power transmission method comprising the steps of:
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sending a burst of RF communication signals representing a status and a tracking location of a chargeable electronic device to a source of charging power; creating pockets of energy from constructive and destructive interference patterns of RF power waves associated with the source of charging power; broadcasting wirelessly the pockets of energy in 3-dimensional shape from the charging source; aiming the broadcasted pockets of energy at the chargeable electronic device in at least two channels while avoiding obstacles between the charging source and the chargeable electronic device due to tracking location information about the electronic device; receiving the 3-dimensional shaped pockets of energy approximate to the electronic device; and converting the pockets of energy into DC voltage for charging or powering the electronic device.
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20. A portable wireless power transmission receiver comprising:
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RF communication circuitry for sending a signal representing the status and spatial location of a chargeable electronic device to as source of charging power; at least one antenna for broadcasting the RF communication signals for regulating the power source to create pockets of energy from the constructive and destructive interference patterns of RF power waves generated and wirelessly broadcasted by the power source of a preferred gain and amplitude to match a receiver; and RF power circuitry connected in close proximity to the one antenna for receiving the broadcasted pockets of energy and for converting the pockets of energy aimed at the receiver into DC voltage for charging or powering the electronic device connected electrically to the receiver.
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Specification