METHOD AND SYSTEM FOR HARVESTING RF SIGNALS AND WIRELESSLY CHARGING A DEVICE
First Claim
1. A system for harvesting radio frequency power from a wireless transmitter comprising:
- an antenna having an output voltage;
a matching network coupled to the antenna;
a booster circuit coupled to the matching network and having an output voltage, and adapted to amplify the output voltage of the antenna wherein the matching network is adapted to match a power transfer from the antenna to the booster circuit; and
a voltage stabilizer circuit adapted to stabilize the output voltage of the booster circuit.
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Abstract
System and method for harvesting radio frequency power from a wireless transmitter includes; an antenna having an output voltage, a matching network coupled to the antenna, a booster circuit coupled to the matching network and having an output voltage, and adapted to amplify the output voltage of the antenna. Matching network is adapted to match a power transfer. A voltage stabilizer circuit is adapted to stabilize the booster circuit output voltage. Method includes, determining at least one operating mode and charging a slave device from a master wireless transmitter located within a predetermined distance from the system. A rechargeable battery in the system is charged from a wireless transmitter, and a slave device is connected to the system. The slave device is charged from the rechargeable battery in the system.
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Citations
20 Claims
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1. A system for harvesting radio frequency power from a wireless transmitter comprising:
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an antenna having an output voltage; a matching network coupled to the antenna; a booster circuit coupled to the matching network and having an output voltage, and adapted to amplify the output voltage of the antenna wherein the matching network is adapted to match a power transfer from the antenna to the booster circuit; and a voltage stabilizer circuit adapted to stabilize the output voltage of the booster circuit. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. A method for harvesting radio frequency power from a wireless transmitter by a system including an antenna having an output voltage, a matching network coupled to the antenna, a booster circuit coupled to the matching network and having an output voltage, and a voltage stabilizer circuit, the method comprising;
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matching a power transfer from the antenna to the booster circuit; amplifying the output voltage of the antenna; and stabilizing the output voltage of the booster circuit. - View Dependent Claims (18, 19, 20)
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Specification