ANTENNA AND WIRELESS TAG
First Claim
Patent Images
1. An antenna comprising:
- a ground plate provided on a first plane;
an antenna element at least part of which is provided on a second plane, the second plane being identical to the first plane or being a plane parallel to the first plane; and
a capacitor that bridges the ground plate and a first end part of the antenna element, the first end part being opposite to a second end part that is a power feed-side end part.
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Abstract
An antenna (1) in accordance with the present invention includes a ground plate (11) and an antenna element (12) provided on an identical plane or on different planes parallel to each other, and is suitable for use in a wireless tag (2). The antenna (1) in accordance with the present invention further includes a shortening capacitor (14) that bridges the ground plate (11) and an end part (12B) of the antenna element (12), the end part (12B) being opposite to the power feed-side end part.
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Citations
16 Claims
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1. An antenna comprising:
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a ground plate provided on a first plane; an antenna element at least part of which is provided on a second plane, the second plane being identical to the first plane or being a plane parallel to the first plane; and a capacitor that bridges the ground plate and a first end part of the antenna element, the first end part being opposite to a second end part that is a power feed-side end part. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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Specification