FLAT PANEL, STATIONARY OR MOBILE, SPATIALLY BEAM-FORMED WIRELESS ENERGY DELIVERY SYSTEM
First Claim
1. A system comprising:
- a radio frequency (RF) transmitter, including an array of transmitters, for transmitting RF energy wherein;
each transmitter includes one or more antenna array tiles;
a flat panel, wafer scale antenna array, for receiving the RF signal;
an RF receiver connected to the flat panel, wafer scale antenna array for receiving the RF signal from the flat panel, wafer scale antenna array; and
a power converter connected to the RF receiver for converting the output from the receiver to electrical energy.
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Accused Products
Abstract
Methods and systems are provided for achieving delivery of power wirelessly using a highly beam-formed array of radio frequency (RF) transmitters as a source and a spatially beam-formed array of receivers that collect the impinged RF power and feed a multistage RF to direct current (RF-DC) conversion circuit that, for example, increases output voltage by doubling the voltage at each stage, while power delivery remains constant. One or more embodiments may provide energy wirelessly and—unlike conventional systems where the power flux density may be too low for applications where an energy density (specific energy) on the order of several mega-Joules per kilogram (MJ/Kg) is desired—may provide sufficient power flux density for many practical applications.
349 Citations
20 Claims
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1. A system comprising:
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a radio frequency (RF) transmitter, including an array of transmitters, for transmitting RF energy wherein; each transmitter includes one or more antenna array tiles; a flat panel, wafer scale antenna array, for receiving the RF signal; an RF receiver connected to the flat panel, wafer scale antenna array for receiving the RF signal from the flat panel, wafer scale antenna array; and a power converter connected to the RF receiver for converting the output from the receiver to electrical energy. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A method for delivering electrical power wirelessly, the method comprising:
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spatially beam forming a signal having a beam width less than one degree; amplifying phase shifted portions of the spatially beam formed signal using low power, small signal, low noise amplifiers; adding the phase shifted portions of the spatially beam formed signal at a combiner circuit; and feeding the combined signal to a voltage multiplier and rectifier circuit for delivery to a load. - View Dependent Claims (10, 11, 12, 13, 14)
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15. An apparatus comprising:
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an electrical load; a battery system feeding the load, wherein the battery system includes one or more batteries; a voltage multiplier and rectifier system configured to recharge the one or more batteries of the battery system; and a receiver connected to feed power to the voltage multiplier and rectifier system, the receiver including; an array of sensors wherein; each sensor includes an antenna array tile; and the array of sensors is integrated so that the array tiles operate as a beam forming array. - View Dependent Claims (16, 17, 18, 19, 20)
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Specification