Tunable projected artificial magnetic mirror and applications thereof
First Claim
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1. A tunable projected artificial magnetic mirror (PAMM) comprises:
- a plurality of artificial magnetic mirror (AMM) cells that collectively produce an artificial magnetic conductor (AMC) comprising an electromagnetic reflective surface with an electromagnetic state in which a tangential magnetic field is zero and in a non-planar geometric shape located at a distance above a surface of the tunable PAMM for an electromagnetic signal in a given frequency range; and
a control module operably coupled to the plurality of AMM cells, wherein the control module provides control information to one or more of the plurality of AMM cells to tune at least one of the geometric shape of the AMC and the distance of the AMC from the surface of the tunable PAMM.
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Abstract
A tunable projected artificial magnetic minor (PAMM) includes a plurality of artificial magnetic minor (AMM) cells and a control module. The AMM cells collectively produce an artificial magnetic conductor (AMC) having a geometric shape a distance from a surface of the tunable PAMM for an electromagnetic signal in a given frequency range. The control module is operably coupled to the plurality of AMM cells and provides control information to one or more of the AMM cells to tune at least one of the geometric shape of the AMC and the distance of the AMC from the surface of the tunable PAMM.
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Citations
20 Claims
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1. A tunable projected artificial magnetic mirror (PAMM) comprises:
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a plurality of artificial magnetic mirror (AMM) cells that collectively produce an artificial magnetic conductor (AMC) comprising an electromagnetic reflective surface with an electromagnetic state in which a tangential magnetic field is zero and in a non-planar geometric shape located at a distance above a surface of the tunable PAMM for an electromagnetic signal in a given frequency range; and a control module operably coupled to the plurality of AMM cells, wherein the control module provides control information to one or more of the plurality of AMM cells to tune at least one of the geometric shape of the AMC and the distance of the AMC from the surface of the tunable PAMM. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A tunable virtual dish antenna comprises:
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a plurality of artificial magnetic mirror (AMM) cells on a first layer of a substrate, wherein the plurality of AMM cells collectively produce an artificial magnetic conductor (AMC) comprising an electromagnetic reflective surface with an electromagnetic state in which a tangential magnetic field is zero and in a dish shape located above the first layer for an electromagnetic signal in a given frequency range; a control module operably coupled to the plurality of AMM cells, wherein the control module provides control information to one or more of the plurality of AMM cells to tune the dish shape of the AMC; and an antenna on a second layer of the substrate positioned in a desired location with respect to the AMC, wherein the antenna transmits or receives the electromagnetic signal. - View Dependent Claims (8, 9, 10, 11, 12, 13, 14)
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15. A tunable antenna comprises:
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a plurality of artificial magnetic mirror (AMM) cells on a first layer of a substrate, wherein the plurality of AMM cells collectively produce an artificial magnetic conductor (AMC) comprising an electromagnetic reflective surface with an electromagnetic state in which a tangential magnetic field is zero and in a non-planar geometric shape with respect to the first layer for an electromagnetic signal in a given frequency range; an antenna on a second layer of the substrate wherein the antenna transmits or receives the electromagnetic signal; and a control module operably coupled to the plurality of AMM cells, wherein the control module provides control information to one or more of the plurality of AMM cells to tune a distance of the AMC from the first layer such that the antenna is at desired position with respect to the AMC. - View Dependent Claims (16, 17, 18, 19, 20)
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Specification