Omnidirectional wideband antenna
First Claim
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1. An antenna comprising:
- a plurality of loops comprising a first loop, a second loop, and a third loop,wherein the first loop is substantially bisected by a common axis, the second loop is substantially bisected by the common axis and touches the first loop at an intersection point along the common axis, and the third loop is substantially bisected by the common axis and touches the first loop and the second loop at the intersection point along the common axis,wherein the first loop, the second loop, and the third loop are substantially equally spaced apart around the common axis,wherein the first loop, the second loop, and the third loop cross each other at a common feed point with longer axes of the first loop, the second loop, and the third loop arranged along a common central axis passing through the common feed point,wherein the second loop is positioned at a first angle to the first loop, the third loop is positioned at a second angle to the second loop, and the first loop is positioned at a third angle to the third loop, andwherein the crossed loop antenna containing the first loop, the second loop, and the third loop is to generate an omni-directional over a wideband of frequency.
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Abstract
An antenna may comprise a first loop, a second loop, and a third loop, which are arranged to have a common intersection point on an axis that is common to the first, second, and the third loop. The first, second, and the third loop are mutually separated by an angle of separation to form a triple crossed loop antenna. The triple crossed loop antenna may provide omni-directional radiation pattern over wide band of frequency.
6 Citations
25 Claims
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1. An antenna comprising:
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a plurality of loops comprising a first loop, a second loop, and a third loop, wherein the first loop is substantially bisected by a common axis, the second loop is substantially bisected by the common axis and touches the first loop at an intersection point along the common axis, and the third loop is substantially bisected by the common axis and touches the first loop and the second loop at the intersection point along the common axis, wherein the first loop, the second loop, and the third loop are substantially equally spaced apart around the common axis, wherein the first loop, the second loop, and the third loop cross each other at a common feed point with longer axes of the first loop, the second loop, and the third loop arranged along a common central axis passing through the common feed point, wherein the second loop is positioned at a first angle to the first loop, the third loop is positioned at a second angle to the second loop, and the first loop is positioned at a third angle to the third loop, and wherein the crossed loop antenna containing the first loop, the second loop, and the third loop is to generate an omni-directional over a wideband of frequency. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. An apparatus comprising:
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a first elliptical loop, a second elliptical loop, and a third elliptical loop, wherein major axes of the first elliptical loop, the second elliptical loop, and the third elliptical loop lie along a common axis and the first elliptical loop, the second elliptical loop, and the third elliptical loop crossed at a common point located on the common axis, and wherein the first elliptical loop, the second elliptical loop, and the third elliptical loop are arranged to be apart from each other by a common angle to generate a substantially omni-directional radiation pattern, wherein the first elliptical loop, the second elliptical loop, and the third elliptical loop cross each other at a common feed point with longer axes of the first elliptical loop, the second elliptical loop, and the third elliptical loop arranged along a common central axis passing through the common feed point, wherein the second elliptical loop is positioned at a first angle to the first elliptical loop, the third elliptical loop is positioned at a second angle to the second elliptical loop, and the first elliptical loop is positioned at a third angle to the third elliptical loop, and wherein the apparatus is to generate an omni-directional over a wideband of frequency. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16, 17)
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18. A radio system comprising:
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a plurality of transmitters, a plurality of receivers, and a crossed loop antenna containing three elliptical loops coupled to the plurality of transmitters and the plurality of receivers, wherein the three elliptical loops cross each other at a common feed point with longer axes of the three elliptical loops arranged along a common central axis passing through the common feed point, wherein a second loop of the three elliptical loops is positioned at a first angle to the first loop, a third loop of the three elliptical loops is positioned at a second angle to the second loop, and a first loop of the three elliptical loops is positioned at a third angle to the third loop, wherein the crossed loop antenna containing three elliptical loops is to generate an omni-directional over a wideband of frequency. - View Dependent Claims (19, 20, 21, 22, 23, 24, 25)
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Specification