Foldable directional antenna
First Claim
Patent Images
1. An antenna array comprising:
- an active element;
a plurality of controllable passive elements, each one comprising;
a dielectric substrate having a first and a second portion;
a conductive surface disposed on said first portion of said dielectric substrate;
wherein said second portion of said dielectric substrate comprises a connecting arm substantially perpendicular to said first portion;
wherein the distal end of said connecting arm is joined to said active element so as to form a deformable union therebetween.
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Abstract
A foldable antenna includes a plurality of passive elements radially spaced apart from a center active element. The radial passive elements are joined to the active element to create a deformable union. In this way, the surrounding passive elements can be folded toward the midplane of the antenna array to create a relatively compact stored configuration.
34 Citations
39 Claims
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1. An antenna array comprising:
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an active element;
a plurality of controllable passive elements, each one comprising;
a dielectric substrate having a first and a second portion;
a conductive surface disposed on said first portion of said dielectric substrate;
wherein said second portion of said dielectric substrate comprises a connecting arm substantially perpendicular to said first portion;
wherein the distal end of said connecting arm is joined to said active element so as to form a deformable union therebetween. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22)
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23. An antenna array comprising:
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a first dielectric substrate;
a conductive element disposed on said first dielectric substrate;
a plurality of radial elements spaced at a distance from said conductive element and oriented approximately parallel to said conductive element, wherein each one of said plurality of radial elements comprises;
a second dielectric substrate;
a conductive element disposed on said second dielectric substrate;
an interconnecting arm substantially perpendicular to said second dielectric substrate;
wherein the free end of each of said plurality of interconnecting arms is deformably joined to said first dielectric substrate. - View Dependent Claims (24, 25, 26, 27, 28, 29, 30, 31)
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32. An antenna array comprising:
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a center element;
a plurality of controllable passive elements spaced radially about said center element and oriented approximately parallel thereto;
wherein at least one of said plurality of controllable passive elements and said center element are formed on a single substrate; and
wherein each one of the remaining plurality of controllable passive elements is joined to said center element via a deformable union. - View Dependent Claims (33, 34, 35)
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36. (Once amended) An antenna array comprising:
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a dielectric substrate center antenna element disposed on said dielectric substrate;
at least one additional element disposed on said dielectric substrate and spaced apart from said center element;
two spaced-apart elements joined by a deformable member there between; and
wherein said deformable member is joined to said center element such that said two spaced-apart elements are deformable with respect to said center element.
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37. (Once amended) An antenna array comprising:
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first and second antenna elements formed on a first H-shaped dielectric substrate;
third and fourth antenna elements formed on a second H-shaped dielectric substrate;
wherein the horizontal bar of said first and second H-shaped dielectric substrates are joined so as to form a deformable union therebetween; and
wherein each one of the plurality of the antenna elements comprises a conductive surface for receiving and transmitting radio frequency energy. - View Dependent Claims (38)
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39. (Once amended) An antenna array comprising:
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a plurality of antenna elements spaced radially about and parallel to a center axis and joined to form a rotationally deformable union at said center axis ; and
wherein said rotationally deformable union allows the plurality antenna elements to be oriented in a deployable configuration spaced apart from each other, and in a stowed configuration proximate to each other, by rotation about said center axis.
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Specification