Antenna having coaxial structure for near field wireless power charging
First Claim
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1. A wireless charging system comprising:
- a transmitter coaxial structure comprising a first housing, a first substrate disposed in the first housing, and a first metallic core disposed in an opening defined by the first substrate, anda receiver coaxial structure comprising a second housing, a second substrate disposed in the second housing, and a second metallic core disposed in an opening defined by the second substrate, wherein;
the transmitter coaxial structure is configured to carry one or more radio frequency (RF) signals through the first substrate to the first metallic core when the receiver coaxial structure is within a threshold distance from the transmitter coaxial structure;
the receiver coaxial structure is configured to;
be excited by the one or more RF signals from the transmitter coaxial structure, the one or more RF signals being transferred from the first metallic core to the second metallic core when the transmitter coaxial structure and the receiver coaxial structure are within the threshold distance from each other; and
convert the received one or more RF signals into usable energy to power and/or charge an electronic device coupled to the receiver coaxial structure.
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Abstract
A wireless charging system comprises a first coaxial structure configured to have an RF signal present on a conductor; and a second coaxial structure configured to have an RF signal present, power being transferred from the first coaxial structure to the second coaxial structure when the first coaxial structure and the second coaxial structure are excited in proximity to each other.
1019 Citations
22 Claims
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1. A wireless charging system comprising:
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a transmitter coaxial structure comprising a first housing, a first substrate disposed in the first housing, and a first metallic core disposed in an opening defined by the first substrate, and a receiver coaxial structure comprising a second housing, a second substrate disposed in the second housing, and a second metallic core disposed in an opening defined by the second substrate, wherein; the transmitter coaxial structure is configured to carry one or more radio frequency (RF) signals through the first substrate to the first metallic core when the receiver coaxial structure is within a threshold distance from the transmitter coaxial structure; the receiver coaxial structure is configured to; be excited by the one or more RF signals from the transmitter coaxial structure, the one or more RF signals being transferred from the first metallic core to the second metallic core when the transmitter coaxial structure and the receiver coaxial structure are within the threshold distance from each other; and convert the received one or more RF signals into usable energy to power and/or charge an electronic device coupled to the receiver coaxial structure. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A method for charging an electronic device in a wireless charging system, the method comprising:
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providing a transmitter coaxial structure comprising a first housing, a first substrate disposed in the first housing, and a first metallic core disposed in an opening defined by the first substrate; providing a receiver coaxial structure comprising a second housing, a second substrate disposed in the second housing, and a second metallic core disposed in an opening defined by the second substrate; and upon the transmitter coaxial structure being within a threshold distance from the receiver coaxial structure; exciting the transmitter coaxial structure to allow for one or more radio frequency (RF) signals to transfer from the first metallic core of the transmitter coaxial structure to the second metallic core of the receiver coaxial structure; and converting, by the receiver coaxial structure, the received one or more RF signals into usable energy to power and/or charge an electronic device coupled to the receiver coaxial structure. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20, 21, 22)
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Specification