Lens arrays configurations for improved signal performance
First Claim
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1. A lens array comprising:
- a first lens element having a first lens and a first feed element; and
a second lens element having a second lens and a second feed element,wherein the first lens element and the second lens element are aligned along a first minor axis,wherein the first feed element is oriented relative to the first lens such that a first major axis of an ellipse representing an amplitude of a first signal emitted by the first feed element through the first lens is more than 5°
from a second minor axis that is perpendicular to the first minor axis and extends through the center of the first lens, andwherein the second feed element is oriented relative to the second lens such that a second major axis of an ellipse representing an amplitude of a second signal emitted by the second feed element is more than 5°
from a third minor axis that is perpendicular to the first minor axis and extends through the center of the second lens.
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Abstract
A lens elements array comprises at least two lens elements aligned along an alignment axis. Each lens element includes a spherical lens and a feed element. The feed elements are tilted such that the RF signals generated by the feed elements have major axes form an angle (preferably between 5° and 30°) other than a perpendicular angle with respect to the alignment axis. The combined RF signals produced collectively by these feed elements have amplitude that has minimal dips across the array. The feed elements that are farther away from the center of the array have higher levels of tilts than the feed elements that are closer to the center of the array.
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Citations
20 Claims
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1. A lens array comprising:
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a first lens element having a first lens and a first feed element; and a second lens element having a second lens and a second feed element, wherein the first lens element and the second lens element are aligned along a first minor axis, wherein the first feed element is oriented relative to the first lens such that a first major axis of an ellipse representing an amplitude of a first signal emitted by the first feed element through the first lens is more than 5°
from a second minor axis that is perpendicular to the first minor axis and extends through the center of the first lens, andwherein the second feed element is oriented relative to the second lens such that a second major axis of an ellipse representing an amplitude of a second signal emitted by the second feed element is more than 5°
from a third minor axis that is perpendicular to the first minor axis and extends through the center of the second lens. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A method of providing a radio frequency (RF) transceiver, comprising:
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disposing a first lens and a second lens along a first minor axis; disposing, on a first surface area of the first lens, a first feed element configured to emit an RF signal through the first lens; disposing, on a second surface area of the second lens, a second feed element configured to transmit an RF signal through the second lens; moving the first feed element along the first surface area of the first lens such that a first major axis of an ellipse representing an amplitude of the RF signal emitted by the first feed element is more than 5°
from a second minor axis that is perpendicular to the first minor axis and extends through the center of the first lens. - View Dependent Claims (16, 17, 18, 19, 20)
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Specification