EXTENDED RANGE WIRELESS CHARGING AND POWERING SYSTEM
First Claim
1. A distributed resonance apparatus for extended range wireless powering and charging of a low-power electrical device comprising:
- a receiving antenna for receiving radiated energy having at least one frequency in the radio frequency range;
an input port connected to the receiving antenna, the input port having a positive terminal and a negative terminal;
a first electrical leg comprising the positive terminal of the input port, the positive terminal connected in series to a first end of an inductor, a second end of the inductor connected in series to a first end of a resistor, a second end of the resistor connected in series to a positive terminal of an output port;
a second electrical leg comprising the negative terminal of the input port, an electrical ground, a negative terminal of an output port, and a capacitor connected in parallel between the ground and the positive terminal of the input port wherein the first electrical leg and the second electrical leg induce resonance in the at least one frequency in the radio frequency range; and
a transmitting antenna for wirelessly transmitting the resonated radio frequency energy.
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Accused Products
Abstract
Exemplary embodiments provide for an apparatus and a method for extended range wireless powering and charging of low-power electrical devices. The apparatus and method may comprise circuits and steps for receiving radio frequency energy; circuits and steps for resonating the radio frequency energy to increase the amplitude of the radio frequency energy; circuits and steps for retransmitting the resonated radio frequency energy; circuits and steps for receiving the retransmitted resonated radio frequency energy; and circuits and steps for converting for converting the retransmitted resonated radio frequency energy into direct current for the extended range wireless powering and charging of low-power electrical devices.
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Citations
20 Claims
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1. A distributed resonance apparatus for extended range wireless powering and charging of a low-power electrical device comprising:
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a receiving antenna for receiving radiated energy having at least one frequency in the radio frequency range; an input port connected to the receiving antenna, the input port having a positive terminal and a negative terminal; a first electrical leg comprising the positive terminal of the input port, the positive terminal connected in series to a first end of an inductor, a second end of the inductor connected in series to a first end of a resistor, a second end of the resistor connected in series to a positive terminal of an output port; a second electrical leg comprising the negative terminal of the input port, an electrical ground, a negative terminal of an output port, and a capacitor connected in parallel between the ground and the positive terminal of the input port wherein the first electrical leg and the second electrical leg induce resonance in the at least one frequency in the radio frequency range; and a transmitting antenna for wirelessly transmitting the resonated radio frequency energy. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A method for extended wireless charging and powering of a low-power electrical device comprising:
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receiving transmitted radio frequency energy; directing at least one frequency of the radio frequency energy into a tuned radio frequency resonance circuit; resonating the radio frequency energy through the tuned radio frequency resonance circuit; and retransmitting the resonated radio frequency energy. - View Dependent Claims (15, 16, 17, 18, 19)
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20. A method for extended wireless charging and powering of a low-power electrical device comprising determining the rate at which electrical current should be delivered to an electrical device at avoid damage to the electrical device, detecting among ambient radio frequencies an appropriate power source, and delivering an appropriate radio frequency energy to the electrical device to avoid damage to the electrical device.
Specification