PASSIVE REPEATER FOR WIRELESS COMMUNICATIONS
First Claim
1. An antenna apparatus comprising:
- an electromagnetically reflective layer, the electromagnetically reflective layer having first and second faces;
a first dielectric layer disposed on the first face of the electromagnetically reflective layer; and
a first arrangement of conductors disposed on the first dielectric layer, the first arrangement of conductors comprising;
a first resonator including a first antenna having a respective feed point, a second antenna having a respective feed point, and a first coupling element electrically connecting the respective feed points of the first and second antennas; and
a first reflector electrically isolated from the first resonator and positioned adjacent to at least one of the first and second antennas, and wherein a longitudinal axis of the first reflector intersects the first coupling element.
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Abstract
Some embodiments provide a relatively small antenna apparatus that acts as a passive repeater. The antenna apparatus can be designed to facilitate radio frequency (RF) signal gain for a collection or range of frequencies. In some embodiments, the antenna apparatus is placed near a device with a wireless receiver and/or transmitter, where the antenna apparatus causes increased RF signal intensity at the device by coupling RF signals from a proximate area of higher RF signal intensity into the area around the device. Accordingly, in some instances, an embodiment of the antenna apparatus can be used to increase the RF signal intensity in a null spot or dead spot by coupling RF signal energy from an area proximate to the null spot that has higher RF signal intensity.
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Citations
21 Claims
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1. An antenna apparatus comprising:
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an electromagnetically reflective layer, the electromagnetically reflective layer having first and second faces; a first dielectric layer disposed on the first face of the electromagnetically reflective layer; and a first arrangement of conductors disposed on the first dielectric layer, the first arrangement of conductors comprising; a first resonator including a first antenna having a respective feed point, a second antenna having a respective feed point, and a first coupling element electrically connecting the respective feed points of the first and second antennas; and a first reflector electrically isolated from the first resonator and positioned adjacent to at least one of the first and second antennas, and wherein a longitudinal axis of the first reflector intersects the first coupling element. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 21)
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20. An antenna apparatus comprising:
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an electromagnetically reflective layer; a dielectric layer on the electromagnetically reflective layer; a plurality of antennas arranged on the dielectric layer in a respective plurality of directions, each of the plurality of antennas having a feed point; at least one coupling element, wherein each coupling element electrically connects the respective feed points of a respective pair of antennas; and at least one reflector electrically isolated from the plurality of antennas and positioned adjacent to at least one of the plurality of antennas, and wherein a respective longitudinal axis of the at least one reflector intersects the first coupling element.
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Specification