Boost-Charger-Boost System for Enhanced Power Delivery
First Claim
1. A receiver for providing power, comprising:
- an antenna configured to convert electromagnetic energy from radio-frequency (RF) waves into AC voltage;
a rectifier, operatively couple to the antenna for converting the AC voltage into DC voltage;
a first boost converter, operatively coupled to the rectifier, the first boost converter being configured to increase the voltage output from the rectifier;
a charger, configured to receive an output from the first boost converter;
a storage element, configured to receive an output from the charger; and
a second boost converter, operatively coupled to the charger, the second boost converter being configured to match impedance and power requirements for a load,wherein the receiver is configured to function under a plurality of operational modes for providing a conduction path, wherein the conduction path comprises one of;
(i) power from the storage element to the load, passed through the second boost converter,(ii) power from first boost converter to the load, passed through the second boost converter,(iii) power provided to the storage element via the charger,(iv) power simultaneously provided via a combination of (i) and (ii)(v) power simultaneously provided via a combination of (ii) and (iii)
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Accused Products
Abstract
A controlled-power delivery system may operate with RF waves for supplying continuous and suitable power to a load. The controlled-power delivery system may include one or more receiving antennas, one or more rectifiers, a first boost converter, a charger, a storage element, and a second boost converter. The first boost converter may step up the rectified DC voltage obtained from the receiving antenna and rectifier to supply a suitable voltage level that can be used for charging the storage element. The second boost converter may increase the voltage from the storage element to a suitable level that may satisfy the power requirements of the load. The charger in conjunction with the first and second boost converters may be configured to allow a plurality of modes of operation for delivering power to the load and charging the storage element.
260 Citations
20 Claims
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1. A receiver for providing power, comprising:
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an antenna configured to convert electromagnetic energy from radio-frequency (RF) waves into AC voltage; a rectifier, operatively couple to the antenna for converting the AC voltage into DC voltage; a first boost converter, operatively coupled to the rectifier, the first boost converter being configured to increase the voltage output from the rectifier; a charger, configured to receive an output from the first boost converter; a storage element, configured to receive an output from the charger; and a second boost converter, operatively coupled to the charger, the second boost converter being configured to match impedance and power requirements for a load, wherein the receiver is configured to function under a plurality of operational modes for providing a conduction path, wherein the conduction path comprises one of; (i) power from the storage element to the load, passed through the second boost converter, (ii) power from first boost converter to the load, passed through the second boost converter, (iii) power provided to the storage element via the charger, (iv) power simultaneously provided via a combination of (i) and (ii) (v) power simultaneously provided via a combination of (ii) and (iii) - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A method of providing power in a receiver, comprising:
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converting electromagnetic energy from radio-frequency (RF) waves into AC voltage via an antenna; converting the AC voltage into DC voltage; increasing the voltage output from the rectifier via a first boost converter; providing the increased voltage to a charger for charging a storage element; matching impedance and power requirements for a load via a second boost converter, configuring the receiver to function under a plurality of operational modes for providing a conduction path, wherein the conduction path comprises one of; (i) power from the storage element to the load, passed through the second boost converter, (ii) power from first boost converter to the load, passed through the second boost converter, (iii) power provided to the storage element via the charger, (iv) power simultaneously provided via a combination of (i) and (ii) (v) power simultaneously provided via a combination of (ii) and (iii) - View Dependent Claims (9, 10, 11, 12, 13, 14)
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15. A receiver for providing power to a load, the receiver comprising an antenna configured to convert electromagnetic energy from radio-frequency (RF) waves into AC voltage and a rectifier, operatively couple to the antenna for converting the AC voltage into DC voltage, the receiver further comprising:
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a first boost converter configured to increase the voltage output from the rectifier and provide the increased voltage to a charger operatively coupled to a storage element comprising one of a battery and a capacitor; a second boost converter, operatively coupled to the charger, the second boost converter being configured to match impedance and power requirements for the load, wherein the receiver is configured to function under a plurality of operational modes for providing a conduction path, wherein the conduction path comprises one of; (i) power from the storage element to the load, passed through the second boost converter, (ii) power from first boost converter to the load, passed through the second boost converter, (iii) power provided to the storage element via the charger, (iv) power simultaneously provided via a combination of (i) and (ii) (v) power simultaneously provided via a combination of (ii) and (iii) - View Dependent Claims (16, 17, 18, 19, 20)
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Specification