RECHARGING AN ELECTRONIC DEVICE USING AN NFC FRONT END
First Claim
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1. A system comprising:
- a card comprising;
a Near Field Communication (NFC) device;
a power management unit coupled to the NFC device;
a battery device coupled to power management unit; and
wherein the NFC device is configured to collect energy from a radio frequency (RF) field;
wherein the NFC device is configured to route collected energy to the power management unit; and
wherein the power management unit is configured to use the collected energy to charge the battery device.
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Abstract
Systems and methods are provided for a card that includes a Near Field Communication (NFC) device, a power management unit coupled to the NFC device, and a battery device coupled to power management unit, where the NFC device is configured to collect energy from an NFC RF field, the NFC device is configured to route collected energy to the power management unit, and the power management unit is configured to use the collected energy to charge the battery device.
15 Citations
20 Claims
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1. A system comprising:
a card comprising; a Near Field Communication (NFC) device; a power management unit coupled to the NFC device; a battery device coupled to power management unit; and wherein the NFC device is configured to collect energy from a radio frequency (RF) field; wherein the NFC device is configured to route collected energy to the power management unit; and wherein the power management unit is configured to use the collected energy to charge the battery device. - 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 comprising:
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collecting energy, via an NFC device on a card, from an radio frequency (RF) field; routing, via the NFC device, the collected energy to a power management unit on the card, wherein the power management unit is electrically coupled to the NFC device; charging, via the power management unit, a battery device on the card using the collected energy, wherein the battery device is coupled to the power management unit. - View Dependent Claims (18, 19, 20)
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Specification