ENERGY HARVESTING SYSTEM
First Claim
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1. A vehicle comprising:
- a vehicle;
a key fob;
a first antenna coupled to the key fob;
a second antenna coupled to the vehicle;
a power management circuit coupled to the key fob, the power management circuit being capable of converting a radio frequency signal to electrical energy; and
an energy storage device coupled to the key fob, the energy storage device selectively receiving electrical energy from the power management circuit.
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Abstract
An energy harvesting system for use with a vehicle including an RF transmitter positionable in a vehicle and a key fob having an antenna configured to receive an RF signal from the RF transmitter and convert the RF signal to electrical energy, a power management circuit configured to distribute the electrical energy in the key fob, and an energy storage device configured to store at least some of the electrical energy converted from the RF signal.
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Citations
19 Claims
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1. A vehicle comprising:
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a vehicle; a key fob; a first antenna coupled to the key fob; a second antenna coupled to the vehicle; a power management circuit coupled to the key fob, the power management circuit being capable of converting a radio frequency signal to electrical energy; and an energy storage device coupled to the key fob, the energy storage device selectively receiving electrical energy from the power management circuit. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A vehicle comprising:
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a vehicle; a key fob; a 3D-antenna coupled to the key fob; a second antenna coupled to the vehicle for sending a radio frequency signal to the key fob; a power management circuit coupled to the key fob, the power management circuit being capable of converting a radio frequency signal to electrical energy; and an energy storage device coupled to the key fob, the energy storage device selectively receiving electrical energy from the power management circuit. - View Dependent Claims (16, 17, 18, 19)
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Specification