Antenna apparatus for internal impedance matching
First Claim
1. An antenna apparatus for internal impedance matching, the antenna apparatus comprising:
- a board body formed of a dielectric material and having a flat structure;
an antenna device disposed on an upper surface of the board body, extending from a feed point, and having a first impedance; and
an internal matching device disposed on a lower surface of the board body, connected to the antenna device, and having a second impedance used for matching the first impedance with a reference impedance,wherein the antenna device and the internal matching device resonate at the reference impedance in a specific frequency band when a voltage is supplied through the feed point.
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Abstract
An antenna apparatus allows for internal impedance matching by employing an internal matching device therein. The antenna apparatus includes a board body formed of a dielectric material and having a flat structure. The antenna apparatus also includes an antenna device disposed on an upper surface of the board body, and the internal matching device disposed on a lower surface of the board body. The antenna device extends from a feed point and has a first impedance. The internal matching device is connected to the antenna device and has a second impedance used for matching the first impedance with a reference impedance. The antenna device and the internal matching device resonate at the reference impedance in a specific frequency band when a voltage is supplied through the feed point.
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Citations
14 Claims
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1. An antenna apparatus for internal impedance matching, the antenna apparatus comprising:
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a board body formed of a dielectric material and having a flat structure; an antenna device disposed on an upper surface of the board body, extending from a feed point, and having a first impedance; and an internal matching device disposed on a lower surface of the board body, connected to the antenna device, and having a second impedance used for matching the first impedance with a reference impedance, wherein the antenna device and the internal matching device resonate at the reference impedance in a specific frequency band when a voltage is supplied through the feed point. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. An antenna apparatus for internal impedance matching, the antenna apparatus comprising:
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a board body formed of a dielectric material and having a flat structure; an antenna device disposed on an upper surface of the board body, extending from a feed point, and having a first impedance; an internal matching device disposed on the upper surface of the board body, connected to the antenna device, and having a second impedance used for matching the first impedance with a reference impedance; and
,a board ground layer disposed on the upper surface of the board body and connected to the internal matching device, wherein the antenna device and the internal matching device resonate at the reference impedance in a specific frequency band when a voltage is supplied through the feed point. - View Dependent Claims (10, 11, 12, 13, 14)
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Specification