Dual-frequency patch antennas
First Claim
Patent Images
1. A dual-frequency patch antenna comprising:
- a first conductive element configured to receive global navigation satellite system (GNSS) signals at a first frequency band;
a first dielectric material coupled to a backside of the first conductive element;
a second conductive element coupled to a backside of the first dielectric material, the second conductive element configured to receive GNSS signals at a second frequency band, wherein the second conductive element has a topside with an area at least as large as a topside of the first conductive element;
a second dielectric material coupled to a backside of the second conductive element, wherein edges of the first conductive element and the first dielectric material are rotated by between about 30°
to 60°
relative to edges of the second conductive element and the second dielectric material;
a ground plane coupled to a backside of the second dielectric material;
a third dielectric material coupled to a backside of the ground plane;
a routing and placement layer with circuitry coupled to a backside of the third dielectric material, the circuitry electrically coupled to at least one of the first conductive element or the second conductive element; and
a digital cable coupled to the circuitry via the routing and placement layer, wherein the circuitry is configured to;
provide frequency selection, down conversion, and digitization of the GNSS signals at the first frequency band and the GNSS signals at the second frequency band; and
output digitized baseband signals, wherein the digital cable is configured to provide the digitized baseband signals to a soft GNSS receiver.
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Accused Products
Abstract
A dual-frequency patch antenna includes a first conductive element configured to receive global navigation satellite system (GNSS) signals at a first frequency band, a second conductive element configured to receive GNSS signals at a second frequency band, and a ground plane. A first dielectric material is disposed between the first conductive element and the second conductive element, and a second dielectric material disposed between the second conductive element and the ground plane. The second dielectric material has a topside with an area at least as large as the topside of the ground plane.
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Citations
20 Claims
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1. A dual-frequency patch antenna comprising:
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a first conductive element configured to receive global navigation satellite system (GNSS) signals at a first frequency band; a first dielectric material coupled to a backside of the first conductive element; a second conductive element coupled to a backside of the first dielectric material, the second conductive element configured to receive GNSS signals at a second frequency band, wherein the second conductive element has a topside with an area at least as large as a topside of the first conductive element; a second dielectric material coupled to a backside of the second conductive element, wherein edges of the first conductive element and the first dielectric material are rotated by between about 30°
to 60°
relative to edges of the second conductive element and the second dielectric material;a ground plane coupled to a backside of the second dielectric material; a third dielectric material coupled to a backside of the ground plane; a routing and placement layer with circuitry coupled to a backside of the third dielectric material, the circuitry electrically coupled to at least one of the first conductive element or the second conductive element; and a digital cable coupled to the circuitry via the routing and placement layer, wherein the circuitry is configured to; provide frequency selection, down conversion, and digitization of the GNSS signals at the first frequency band and the GNSS signals at the second frequency band; and output digitized baseband signals, wherein the digital cable is configured to provide the digitized baseband signals to a soft GNSS receiver. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A dual-frequency patch antenna system comprising:
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a first conductive element configured to receive global navigation satellite system (GNSS) signals at a first frequency band; a second conductive element configured to receive GNSS signals at a second frequency band; a ground plane; first circuitry electrically coupled to at least one of the first conductive element or the second conductive element and physically coupled to a first routing and placement layer, the first circuitry configured to provide at least frequency selection of the GNSS signals at the first frequency band and the GNSS signals at the second frequency band; second circuitry electrically coupled to the first circuitry via an interface and physically coupled to a second routing and placement layer separate from the first routing and placement layer, the second circuitry configured to provide digitized baseband signals to an output; a first dielectric material disposed between the first conductive element and the second conductive element; a second dielectric material disposed between the second conductive element and the ground plane, the second dielectric material having a topside with an area at least as large as a topside of the ground plane; and a third dielectric material disposed between the ground plane and the first routing and placement layer, wherein the second routing and placement layer is not directly coupled to any of the first dielectric material, the second dielectric material, or the third dielectric material. - View Dependent Claims (9, 10, 11, 12, 13, 14, 15, 16)
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17. A dual-frequency patch antenna comprising:
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a first conductive element configured to receive global navigation satellite system (GNSS) signals at a first frequency band; a second conductive element configured to receive GNSS signals at a second frequency band; a ground plane; a first dielectric material disposed between the first conductive element and the second conductive element; a second dielectric material disposed between the second conductive element and the ground plane, wherein edges of the first conductive element and the first dielectric material are rotated by between about 30°
to 60°
relative to edges of the second conductive element and the second dielectric material, and the second dielectric material has a topside with an area at least as large as the topside of the ground plane; anda third dielectric material disposed adjacent to a bottom of the ground plane, the third dielectric material comprising one or more conductive routing layers each disposed between adjacent dielectric layers. - View Dependent Claims (18, 19, 20)
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Specification