Composite dipole array assembly
First Claim
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1. A composite dipole array assembly comprising:
- a plurality of antenna elements disposed in a one-dimensional linear array;
a plurality of passive non-linear elements respectively interconnecting pairs of the antenna elements electrically so as to define a composite dipole linear array operable to receive two signals having respective first and second frequencies incident upon a front surface thereof and to passively generate and radiate away from the front surface a third signal having a frequency equal to the difference between the first and second frequencies; and
a semicircular or a parabolic reflector disposed behind the array, the reflector having an elongated axis along which the array is disposed and being configured to reflect portions of the two incident signals that miss the array back to the array and focus them thereon.
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Abstract
A composite dipole array assembly can have a composite dipole array defined by a plurality of antenna elements and a plurality of non-linear element electrically interconnecting pair of the antenna elements. A reflector can be configured to reflect electromagnetic energy toward the antenna elements. A lens can be configured to focus electromagnetic energy upon the antenna elements. In this manner, the efficiency of the composite dipole array is enhanced.
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Citations
10 Claims
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1. A composite dipole array assembly comprising:
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a plurality of antenna elements disposed in a one-dimensional linear array; a plurality of passive non-linear elements respectively interconnecting pairs of the antenna elements electrically so as to define a composite dipole linear array operable to receive two signals having respective first and second frequencies incident upon a front surface thereof and to passively generate and radiate away from the front surface a third signal having a frequency equal to the difference between the first and second frequencies; and a semicircular or a parabolic reflector disposed behind the array, the reflector having an elongated axis along which the array is disposed and being configured to reflect portions of the two incident signals that miss the array back to the array and focus them thereon. - View Dependent Claims (2, 3, 4, 5)
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6. A composite dipole array assembly comprising:
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a plurality of antenna elements disposed in a one-dimensional linear array; a plurality of passive non-linear elements respectively interconnecting pairs of the antenna elements electrically so as to define a composite dipole linear array operable to receive two signals having respective first and second frequencies incident upon a front surface thereof and to passively generate and radiate away from the front surface a third signal having a third frequency equal to the difference between the first and second frequencies; and a semicircular or a parabolic lens disposed in front of the array, the lens having an elongated axis along which the array is disposed and being configured to focus the two incident signals on the front surface of array. - View Dependent Claims (7, 8, 9, 10)
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Specification