Compact antenna
First Claim
Patent Images
1. An antenna, comprising:
- a planar dielectric substrate;
a conductive ground plane formed on the substrate;
a conductive monopole formed on the substrate and having an end point located in proximity to a feed region of the ground plane; and
a conductive coupling element formed on the substrate and coupled to the ground plane at a coupling region of the ground plane, the coupling element being folded around the monopole.
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Abstract
An antenna, including a planar dielectric substrate and a conductive ground plane formed on the substrate. A conductive monopole is formed on the substrate and has an end point located in proximity to a feed region of the ground plane. A conductive coupling element is formed on the substrate and is coupled to the ground plane at a coupling region of the ground plane. The coupling element is folded around the monopole.
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Citations
66 Claims
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1. An antenna, comprising:
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a planar dielectric substrate; a conductive ground plane formed on the substrate; a conductive monopole formed on the substrate and having an end point located in proximity to a feed region of the ground plane; and a conductive coupling element formed on the substrate and coupled to the ground plane at a coupling region of the ground plane, the coupling element being folded around the monopole. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44)
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45. A method for producing an antenna, comprising:
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providing a planar dielectric substrate; forming a conductive ground plane on the substrate; forming a conductive monopole on the substrate, the monopole having an end point located in proximity to a feed region of the ground plane; forming a conductive coupling element on the substrate; coupling the conductive coupling element to the ground plane at a coupling region of the ground plane; and folding the coupling element around the monopole. - View Dependent Claims (46, 47, 48, 49)
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50. An antenna, comprising:
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a dielectric substrate; a conductive ground plane formed on the substrate and having a first edge and a second edge; a first conductive monopole formed on the substrate and having a first end point located in proximity to the first edge; a first conductive coupling element formed on the substrate and coupled to the ground plane at a first coupling region of the ground plane, the first coupling element being folded around the first monopole; a second conductive monopole formed on the substrate and having a second end point located in proximity to the second edge; and a second conductive coupling element formed on the substrate and coupled to the ground plane at a second coupling region of the ground plane, the second coupling element being folded around the second monopole. - View Dependent Claims (51, 52)
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53. A method for producing an antenna, comprising:
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providing a dielectric substrate; forming a conductive ground plane having a first edge and a second edge on the substrate; forming a first conductive monopole on the substrate, the first monopole having a first end point located in proximity to the first edge; forming a first conductive coupling element on the substrate; coupling the first conductive coupling element to the ground plane at a first coupling region of the ground plane; folding the first coupling element around the first monopole; forming a second conductive monopole on the substrate, the monopole having a second end point located in proximity to the second edge; forming a second conductive coupling element on the substrate; coupling the second conductive coupling element to the ground plane at a second coupling region of the ground plane; and folding the second coupling element around the second monopole.
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54. An antenna, comprising:
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a planar dielectric substrate; a conductive ground plane formed on the substrate and having a ground plane edge; a conductive monopole formed on the substrate in proximity to the ground plane edge and having an end point located in proximity to a feed region of the ground plane; and a conductive coupling element formed on the substrate in proximity to the ground plane edge and coupled to the ground plane at a coupling region of the ground plane, the coupling element being configured so that a portion of the conductive monopole lies between a section of the element and the ground plane edge. - View Dependent Claims (55, 56)
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57. A communication device, comprising:
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a transceiver; and an antenna coupled to the transceiver, the antenna comprising; a planar dielectric substrate; a conductive ground plane formed on the substrate; a conductive monopole formed on the substrate and having an end point located in proximity to a feed region of the ground plane; and a conductive coupling element formed on the substrate and coupled to the ground plane at a coupling region of the ground plane, the coupling element being folded around the monopole.
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58. A method for producing a communication device, comprising:
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providing a transceiver; and coupling an antenna to the transceiver, the antenna comprising; a planar dielectric substrate, a conductive ground plane formed on the substrate, a conductive monopole formed on the substrate and having an end point located in proximity to a feed region of the ground plane, and a conductive coupling element formed on the substrate and coupled to the ground plane at a coupling region of the ground plane, the coupling element being folded around the monopole.
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59. An antenna, comprising:
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a planar dielectric substrate; a conductive ground plane formed on the substrate; a conductive loop formed on the substrate and having an end point located in proximity to a feed region of the ground plane; and a conductive coupling element formed on the substrate and coupled to the ground plane at a coupling region of the ground plane, the coupling element being folded around the loop.
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60. A method for producing an antenna, comprising:
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providing a planar dielectric substrate; forming a conductive ground plane on the substrate; forming a conductive loop on the substrate, the loop having an end point located in proximity to a feed region of the ground plane; and forming a conductive coupling element on the substrate and coupling the coupling element to the ground plane at a coupling region of the ground plane so that the coupling element folds around the loop.
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61. An antenna, comprising:
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a planar dielectric substrate; a conductive ground plane formed on the substrate; a conductive monopole having an end point located in proximity to a feed region of the ground plane; and a conductive coupling element coupled to the ground plane at a coupling region of the ground plane, at least one of the conductive monopole and the conductive coupling element having a section external to a plane of the substrate, a projection of the coupling element onto the plane being folded around a projection of the monopole onto the plane.
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62. A method for producing an antenna, comprising:
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providing a planar dielectric substrate; forming a conductive ground plane on the substrate; forming a conductive monopole having an end point located in proximity to a feed region of the ground plane; and coupling a conductive coupling element to the ground plane at a coupling region of the ground plane, at least one of the conductive monopole and the conductive coupling element having a section external to a plane of the substrate, a projection of the coupling element onto the plane being folded around a projection of the monopole onto the plane.
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63. An antenna, comprising:
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a planar dielectric substrate; a conductive ground plane formed on the substrate and operative as a parallel resonant circuit having a first resonance frequency; a conductive coupling element, operative as a series resonant circuit having the first resonance frequency, and located in proximity to the conductive ground plane so as to be coupled thereto by a first field chosen from at least one of a first electric field and a first magnetic field; and a conductive monopole, operative as a series resonant circuit having a second resonance frequency, and located in proximity to the conductive coupling element so as to be coupled thereto by a second field chosen from at least one of a second electric field and a second magnetic field. - View Dependent Claims (64, 65)
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66. A method for producing an antenna, comprising:
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providing a planar dielectric substrate; forming a conductive ground plane on the substrate, the conductive ground plane being operative as a parallel resonant circuit having a first resonance frequency; locating a conductive coupling element, operative as a series resonant circuit having the first resonance frequency, in proximity to the conductive ground plane so as to be coupled thereto by a first field chosen from at least one of a first electric field and a first magnetic field; and locating a conductive monopole, operative as a series resonant circuit having a second resonance frequency, in proximity to the conductive coupling element so as to be coupled thereto by a second field chosen from at least one of a second electric field and a second magnetic field.
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Specification