TRANSMITTERS FOR WIRELESS POWER TRANSMISSION
First Claim
1. A transmitter for wireless power transmission, comprising;
- at least two antennas for sending and receiving RF signals and sending RF power waves;
a communication circuit for receiving RF signals representing status information from a chargeable electronic device including the location of the electronic device;
a radio frequency integrated circuit connected to the antennas for processing the power RF waves;
a microprocessor for controlling the radio frequency integrated circuit to generate and to control the shape of the RF power waves and for controlling the communication RF signals representing the status information from the chargeable electronic device;
a source of power connected to the RF integrated circuit for generating at least two RF power waves with one of the two RF power waves being phase shifted and gain adjusted with respect to the other RF power wave by the microprocessor for generating constructive and destructive interference patterns of RF power waves to form pockets of energy from the constructive interference patterns of RF waves and to form null-space without pockets of energy;
wherein the transmitter wirelessly broadcasts RF power waves that converge in 3-dimensional space to form pockets of energy in a 3-dimensional shape for reception by a receiving device for charging or powering the chargeable electronic device.
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Accused Products
Abstract
The present disclosure may provide various electric transmitter arrangements which may be used to provide wireless power transmission (WPT) while using suitable WPT techniques such as pocket-forming. In some embodiments, transmitters may include one or more antennas connected to at least one radio frequency integrated circuit (RFIC) and one microcontroller. In other embodiments, transmitters may include a plurality of antennas, a plurality of RFIC or a plurality of controllers. In addition, transmitters may include communications components which may allow for communication to various electronic equipment including phones, computers and others.
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Citations
18 Claims
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1. A transmitter for wireless power transmission, comprising;
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at least two antennas for sending and receiving RF signals and sending RF power waves; a communication circuit for receiving RF signals representing status information from a chargeable electronic device including the location of the electronic device; a radio frequency integrated circuit connected to the antennas for processing the power RF waves; a microprocessor for controlling the radio frequency integrated circuit to generate and to control the shape of the RF power waves and for controlling the communication RF signals representing the status information from the chargeable electronic device; a source of power connected to the RF integrated circuit for generating at least two RF power waves with one of the two RF power waves being phase shifted and gain adjusted with respect to the other RF power wave by the microprocessor for generating constructive and destructive interference patterns of RF power waves to form pockets of energy from the constructive interference patterns of RF waves and to form null-space without pockets of energy; wherein the transmitter wirelessly broadcasts RF power waves that converge in 3-dimensional space to form pockets of energy in a 3-dimensional shape for reception by a receiving device for charging or powering the chargeable electronic device. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A wireless power transmitter method comprising the steps of:
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sending and receiving RF signals in a communication circuit representative of the power status, tracking or location information of a chargeable electronic device; generating RF power waves in a radio frequency integrated circuit connected to a pair of antennas; controlling the radio frequency integrated circuit generating and shaping the RF power waves and controlling the communication RF signals representing the status information of the chargeable electronic device by a microcontroller; connecting a source of power to the RF integrated circuit for generating at least two RF power waves with one of the two RF power waves being phase shifted and gain adjusted with respect to the other RF power wave through constructive and destructive interference patterns of the RF power waves responsive to the RF signals from the chargeable electronic device; forming pockets of energy from the constructive interference patterns of RF waves and forming null-space without pockets of energy; and broadcasting wirelessly the RF power waves to converge in 3-dimensional space to form pockets of energy in a 3-dimensional shape for reception by a receiving device for charging or powering the chargeable electronic device. - View Dependent Claims (12, 13, 14, 15, 16, 17)
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18. A wireless power transmitter for charging an electronic device, comprising:
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communication signals between the transmitter and the device; RF integrated circuitry in the transmitter for generating at least two RF power waves to form pockets of energy directed to the device controlled by the exchange of communication signals; and reception circuitry for converting the AC RF power waves into DC voltages for charging or powering the device.
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Specification