Antenna system for a motor vehicle
First Claim
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1. An antenna system integrated with a physical component of a motor vehicle, comprising:
- a radio antenna;
the radio antenna having a radiating arm, at least a portion of the radiating arm defining a space-filling geometry;
the radio antenna further having a feeding point for coupling the radio antenna to a radio receiver in the motor vehicle;
wherein the space-filling geometry includes at least two hundred segments with each segment being smaller than 34 millimeters; and
wherein the entire space-filling geometry contributes to the radiation characteristics of the radio antenna;
wherein the segments in the space-filling geometry are each less than one hundredth of the free-space operating wavelength in the FM band.
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Abstract
An integrated multi-service antenna system for a motor vehicle includes a plurality of antenna structures integrated within a physical component of the motor vehicle. The plurality of antenna structures includes a radio antenna and at least one of a cellular telephony antenna and a satellite-signal antenna. The radio antenna has a radiating arm, with at least a portion of the radiating arm defining a space-filling curve, the radio antenna further has a feeding point for coupling the radio antenna to a radio receiver in the motor vehicle.
217 Citations
98 Claims
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1. An antenna system integrated with a physical component of a motor vehicle, comprising:
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a radio antenna; the radio antenna having a radiating arm, at least a portion of the radiating arm defining a space-filling geometry; the radio antenna further having a feeding point for coupling the radio antenna to a radio receiver in the motor vehicle; wherein the space-filling geometry includes at least two hundred segments with each segment being smaller than 34 millimeters; and wherein the entire space-filling geometry contributes to the radiation characteristics of the radio antenna; wherein the segments in the space-filling geometry are each less than one hundredth of the free-space operating wavelength in the FM band. - 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)
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34. A multi-service antenna system for a motor vehicle, comprising
a plurality of antenna structures integrated within a physical component of the motor vehicle, the plurality of antenna structures including a radio antenna and at least one of a cellular telephony antenna and a satellite-signal antenna; -
the radio antenna having a radiating arm, at least a portion of the radiating arm defining a space-filling geometry; the radio antenna further having a feeding point for coupling the radio antenna to a radio receiver in the motor vehicle; wherein the space-filling geometry includes a plurality of connected segments with each segment having a length that is smaller than one hundredth of the free-space operating wavelength of the radio antenna in the FM band; and wherein each of the segments of the space-filling geometry provide a radiating segment of the radio antenna. - View Dependent Claims (35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68)
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69. A multi-service antenna system for a motor vehicle, comprising
a plurality of antenna structures integrated within a physical component of the motor vehicle, the plurality of antenna structures including a radio antenna and at least one of a cellular telephony antenna or a satellite-signal antenna; -
the radio antenna having a radiating arm, at least a portion of the radiating arm defining a grid dimension curve that includes at least 200 segments with each segment being less than 34 millimeters; the radio antenna further having a feeding point for coupling the radio antenna to a radio receiver in the motor vehicle; and wherein the entire grid dimension curve contributes to the radiation characteristics of the radio antenna. - View Dependent Claims (70, 71)
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72. An antenna system integrated with a physical component of a motor vehicle, comprising:
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a radio antenna; the radio antenna having a radiating arm, at least a portion of the radiating arm defining a space-filling geometry; the radio antenna further having a feeding point for coupling the radio antenna to a radio receiver in the motor vehicle; wherein the space-filling geometry includes at least two hundred segments with each segment being smaller than 34 millimeters; and wherein the entire space-filling geometry contributes to the radiation characteristics of the radio antenna wherein the segments in the space-filling geometry are each less than one hundredth of the free-space operating wavelength in the DAB band.
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73. An antenna system integrated with a physical component of a motor vehicle, comprising:
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a radio antenna; the radio antenna having a radiating arm, at least a portion of the radiating arm defining a space-filling geometry; the radio antenna further having a feeding point for coupling the radio antenna to a radio receiver in the motor vehicle; wherein the space-filling geometry includes at least two hundred segments with each segment being smaller than 34 millimeters; and wherein the entire space-filling geometry contributes to the radiation characteristics of the radio antenna wherein the space-filling geometry has a conductor length that is less than or equal to twenty percent of the length required for a straight quarter-wavelength monopole antenna operating in the FM band.
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74. An antenna system integrated with a physical component of a motor vehicle, comprising:
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a radio antenna; the radio antenna having a radiating arm, at least a portion of the radiating arm defining a space-filling geometry; the radio antenna further having a feeding point for coupling the radio antenna to a radio receiver in the motor vehicle; wherein the space-filling geometry includes at least two hundred segments with each segment being smaller than 34 millimeters; and wherein the entire space-filling geometry contributes to the radiation characteristics of the radio antenna wherein the space-filling geometry has a conductor length that is less than or equal to twenty percent of the length required for a straight quarter-wavelength monopole antenna operating in the DAB band.
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75. A radio, cellular telephony or satellite-signal antenna for integration within a physical component of a motor vehicle, comprising:
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a feeding point for coupling the antenna to a receiver in the motor vehicle; and a radiating arm having a plurality of cascaded sections, each cascaded section defining a space-filling curve having at least ten segments, each of which forming an angle with each adjacent segment, and the space-filling curves of the cascaded sections being different iterations of the same curve on a different scale and having a different length and having a different number of segments. - View Dependent Claims (76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98)
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Specification