Beam forming antenna array on transparent substrate
First Claim
1. An antenna array, comprising:
- a transparent substrate, a first plurality of antennas formed on a surface of the transparent substrate; and
a first integrated circuit, the first integrated circuit including a first RF beam forming interface circuit adapted to perform at least one of phase-shifting and attenuating an RF signal according to a first transmit beam forming command to form an RF driving signal for driving the first plurality of antennas, the first RF beam forming interface circuit also adapted to perform at least one of phase-shifting and attenuating a received RF signal from the first plurality of antennas according to a first receive beam forming command.
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Abstract
In one embodiment, an antenna array is provided that includes a transparent substrate, a plurality of antennas formed on a surface of the transparent substrate, and an integrated circuit, the integrated circuit including an RF beam forming interface circuit adapted to perform at least one of phase-shifting and attenuating an RF signal according to a transmit beam forming command to form an RF driving signal for driving the plurality of antennas, the RF beam forming interface circuit also adapted to perform at least one of phase-shifting and attenuating a received RF signal from the plurality of antennas according to a receive beam forming command.
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Citations
21 Claims
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1. An antenna array, comprising:
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a transparent substrate, a first plurality of antennas formed on a surface of the transparent substrate; and
a first integrated circuit, the first integrated circuit including a first RF beam forming interface circuit adapted to perform at least one of phase-shifting and attenuating an RF signal according to a first transmit beam forming command to form an RF driving signal for driving the first plurality of antennas, the first RF beam forming interface circuit also adapted to perform at least one of phase-shifting and attenuating a received RF signal from the first plurality of antennas according to a first receive beam forming command. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A method of manufacturing an antenna array, comprising:
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providing an integrated circuit including a RF beam forming interface circuit adapted to perform at least one of phase-shifting and attenuating an RF signal according to a transmit beam forming command to form an RF driving signal, the RF beam forming interface circuit also adapted to perform at least one of phase-shifting and attenuating a received RF signal according to a receive beam forming command;
etching a cavity in a transparent substrate;
securing the integrated circuit in the cavity;
forming conductor-filled vias from the cavity to a surface of the transparent substrate; and
forming a plurality of antennas on the surface of the transparent, each antenna being coupled to corresponding ones of the conductor-filled vias, wherein the integrated circuit is secured in the cavity such that the RF driving signals drives the plurality of antennas and the received RF signal couples from the plurality of antennas to the RF beam forming circuit. - View Dependent Claims (15, 16)
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17. An antenna circuit, comprising:
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a substrate, a first longitudinal conducting plate formed on the substrate;
a first dielectric layer formed on the first longitudinal conducting plate;
a second longitudinal conducting plate formed on the first dielectric layer;
a first plurality of conducting vias extending from a first side of the first longitudinal conducting plate to a first side of the second longitudinal conducting plate;
a second plurality of conducting vias extending from a second side of the first longitudinal conducting plate to a second side of the second longitudinal conducting plate, wherein the combination of the first and second longitudinal conducting plates and the first and second conducting vias forms a rectangular waveguide encompassing a portion of the first dielectric layer;
at least one antenna formed on the substrate;
a circuit integrated with the substrate and adapted to receive an RF signal from the waveguide, the integrated circuit including an RF beam forming interface circuit adapted to perform at least one of phase-shifting and attenuating the RF signal according to a transmit beam forming command to form an RF driving signal for driving the at least one antenna, the RF beam forming interface circuit also adapted to perform at least one of phase-shifting and attenuating a received RF signal from the first plurality of antennas according to a receive beam forming command to form an adjusted received RF signal, the RF beam forming interface circuit being adapted to transmit the adjusted received RF signal into the waveguide. - View Dependent Claims (18, 19, 20, 21)
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Specification