NEAR FIELD COMMUNICATION ANTENNA
First Claim
1. An antenna of a near field wireless communication device, the antenna comprising:
- a source coil pattern formed on one surface of a flexible printed circuit board (FPCB) and formed with a first conductive line between a first antenna port and a second antenna port;
a resonance coil pattern formed with a second conductive line, which electrically separates from the source coil pattern; and
a capacitor pattern electrically connected to the second conductive line,wherein one terminal of the capacitor pattern is connected to a first terminal of the second conductive line and the other terminal of the capacitor pattern is connected to a second terminal of the second conductive line through a third conductive line formed on the other surface of the FPCB.
1 Assignment
0 Petitions
Accused Products
Abstract
An antenna of a near field wireless communication device is provided. The antenna may include: a source coil pattern formed on one surface of a flexible printed circuit board (FPCB) and formed with a first conductive line between a first antenna port and a second antenna port; a resonance coil pattern formed with a second conductive line, which electrically separates from the source coil pattern; and a capacitor pattern electrically connected to the second conductive line, wherein one terminal of the capacitor pattern is connected to a first terminal of the second conductive line and the other terminal of the capacitor pattern is connected to a second terminal of the second conductive line through a third conductive line formed on the other surface of the FPCB.
15 Citations
30 Claims
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1. An antenna of a near field wireless communication device, the antenna comprising:
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a source coil pattern formed on one surface of a flexible printed circuit board (FPCB) and formed with a first conductive line between a first antenna port and a second antenna port; a resonance coil pattern formed with a second conductive line, which electrically separates from the source coil pattern; and a capacitor pattern electrically connected to the second conductive line, wherein one terminal of the capacitor pattern is connected to a first terminal of the second conductive line and the other terminal of the capacitor pattern is connected to a second terminal of the second conductive line through a third conductive line formed on the other surface of the FPCB. - View Dependent Claims (2, 3, 4, 5, 9, 10, 11, 12, 14, 15, 17)
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6. (canceled)
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7. (canceled)
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8. (canceled)
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13. (canceled)
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16. (canceled)
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18. A double resonance loop antenna of a near field wireless communication device, the double resonance loop antenna comprising:
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a source loop configured to include a first capacitor and a first coil connected to two antenna ports in parallel; and a resonance loop electrically separated from the source loop and configured to include a second capacitor and a second coil, wherein the second capacitor is formed with a pattern of a conductive line for forming the second coil. - View Dependent Claims (19, 20, 22, 23)
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21. (canceled)
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24. (canceled)
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25. (canceled)
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26. (canceled)
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27. (canceled)
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28. A near field communication (NFC) device comprising an NFC antenna, the NFC device comprising:
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an NFC chip configured to include an NFC transceiver for communicating with an external device; and a double resonance loop antenna, which is connected to the NFC chip through two antenna ports, comprising a source loop and a resonance loop electrically separated from the source loop, wherein the source loop comprises a first capacitor and a first coil, and the resonance loop comprises a second capacitor and a second coil, and wherein the second capacitor is formed with a pattern of a conductive line for forming the second coil. - View Dependent Claims (29, 30)
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Specification