Ultra-wideband hemispherical teardrop antenna with a conical ground
First Claim
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1. An antenna comprising:
- a cone shaped ground element comprising a first vertex region and an aperture formed through the first vertex region, wherein the cone shaped ground element is configured to form an electrical ground, wherein a cone half-angle of the cone shaped ground element is greater than 60 degrees and less than or equal to 75 degrees; and
a radiating element comprising a cone shaped radiator and a spherical shaped radiator, wherein the cone shaped radiator comprises a cone shape from a second vertex region to a transition region and the spherical shaped radiator comprises a spherical shape from the transition region to a top surface, wherein the second vertex region is electrically connectable to a feed element mounted through the aperture of the cone shaped ground element, wherein a cone half-angle of the cone shaped radiator is between 30 degrees and 60 degrees, wherein the spherical shaped radiator is mounted to the cone shaped radiator opposite the second vertex region such that the shape of the radiating element transitions from the cone shape of the cone shaped radiator to the spherical shape of the spherical shaped radiator at the transition region, wherein the angle between the cone shaped radiator and the cone shaped ground element is about 67 degrees.
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Abstract
An ultra-wideband antenna is provided. The antenna includes a cone shaped ground element and a radiating element. The cone shaped ground element has a first vertex region and an aperture formed through the first vertex region. The cone shaped ground element is configured to form an electrical ground. The radiating element includes a cone shaped radiator and a spherical shaped radiator. The cone shaped radiator has a second vertex region that is electrically connectable to a feed element mounted through the aperture of the cone shaped ground element. The spherical shaped radiator is mounted to the cone shaped radiator opposite the second vertex region.
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Citations
18 Claims
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1. An antenna comprising:
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a cone shaped ground element comprising a first vertex region and an aperture formed through the first vertex region, wherein the cone shaped ground element is configured to form an electrical ground, wherein a cone half-angle of the cone shaped ground element is greater than 60 degrees and less than or equal to 75 degrees; and a radiating element comprising a cone shaped radiator and a spherical shaped radiator, wherein the cone shaped radiator comprises a cone shape from a second vertex region to a transition region and the spherical shaped radiator comprises a spherical shape from the transition region to a top surface, wherein the second vertex region is electrically connectable to a feed element mounted through the aperture of the cone shaped ground element, wherein a cone half-angle of the cone shaped radiator is between 30 degrees and 60 degrees, wherein the spherical shaped radiator is mounted to the cone shaped radiator opposite the second vertex region such that the shape of the radiating element transitions from the cone shape of the cone shaped radiator to the spherical shape of the spherical shaped radiator at the transition region, wherein the angle between the cone shaped radiator and the cone shaped ground element is about 67 degrees. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. An antenna comprising:
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a cone shaped ground element comprising a first vertex region and an aperture formed through the first vertex region, wherein the cone shaped ground element is configured to form an electrical ground, wherein a cone half-angle of the cone shaped ground element is greater than 60 degrees and less than or equal to 75 degrees; a radiating element comprising a cone shaped radiator and a spherical shaped radiator, wherein the cone shaped radiator comprises a cone shape from a second vertex region to a transition region and the spherical shaped radiator comprises a spherical shape from the transition region to a top surface, wherein the second vertex region is electrically connected to the feed element mounted through the aperture of the cone shaped ground element, wherein a cone half-angle of the cone shaped radiator is between 30 degrees and 60 degrees, wherein the angle between the cone shaped radiator and the cone shaped ground element is about 67 degrees, wherein the spherical shaped radiator is mounted to the cone shaped radiator opposite the second vertex region such that the shape of the radiating element transitions from the cone shape of the cone shaped radiator to the spherical shape of the spherical shaped radiator at the transition region; and a spacer mounted to the cone shaped ground element and to the radiating element and configured to maintain a spacing between the cone shaped ground element and the radiating element. - View Dependent Claims (17)
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18. An antenna comprising:
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a feed element; a cone shaped ground element comprising a first vertex region and an aperture formed through the first vertex region, wherein the cone shaped ground element is configured to form an electrical ground, wherein a cone half-angle of the cone shaped ground element is greater than 60 degrees and less than or equal to 75 degrees; and a radiating element comprising a cone shaped radiator and a spherical shaped radiator, wherein the cone shaped radiator comprises a cone shape from a second vertex region to a transition region and the spherical shaped radiator comprises a spherical shape from the transition region to a top surface, wherein the second vertex region is electrically connected to the feed element mounted through the aperture of the cone shaped ground element, wherein a cone half-angle of the cone shaped radiator is between 30 degrees and 60 degrees, wherein the angle between the cone shaped radiator and the cone shaped ground element is about 67 degrees, wherein the spherical shaped radiator is mounted to the cone shaped radiator opposite the second vertex region such that the shape of the radiating element transitions from the cone shape of the cone shaped radiator to the spherical shape of the spherical shaped radiator at the transition region.
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Specification