Frequency-selective dipole antennas
First Claim
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1. A dipole antenna, comprising:
- electrical dipole conductors formed on and/or in a substrate and folded to form distributed inductive and/or capacitive reactive loads between selected portions of one or more coupled line segments of the individual dipole conductors or between one dipole conductor to another, and one or more ceramic dielectric elements having precise dielectric permittivity and/or permeability formed on and/or in the substrate and located in proximity to the coupled line segments for determining an enhanced distributed reactance in the inductive and/or capacitive reactive loads,wherein the electrical dipole conductors form a selective frequency filter.
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Abstract
A dipole antenna forms a distributed network filter.
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Citations
18 Claims
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1. A dipole antenna, comprising:
- electrical dipole conductors formed on and/or in a substrate and folded to form distributed inductive and/or capacitive reactive loads between selected portions of one or more coupled line segments of the individual dipole conductors or between one dipole conductor to another, and one or more ceramic dielectric elements having precise dielectric permittivity and/or permeability formed on and/or in the substrate and located in proximity to the coupled line segments for determining an enhanced distributed reactance in the inductive and/or capacitive reactive loads,
wherein the electrical dipole conductors form a selective frequency filter. - View Dependent Claims (2, 3, 4, 5, 6, 7)
- electrical dipole conductors formed on and/or in a substrate and folded to form distributed inductive and/or capacitive reactive loads between selected portions of one or more coupled line segments of the individual dipole conductors or between one dipole conductor to another, and one or more ceramic dielectric elements having precise dielectric permittivity and/or permeability formed on and/or in the substrate and located in proximity to the coupled line segments for determining an enhanced distributed reactance in the inductive and/or capacitive reactive loads,
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8. An antenna, comprising:
- a substrate;
electrical conductors formed on and/or in the substrate; and
one or more ceramic dielectric elements having relative permittivity ∈
R≧
10 and/or relative permeability μ
R≧
10 formed on and/or in the substrate between selected portions of the electrical conductors for determining a distributed reactance within the selected portions, wherein the electrical dipole conductors form a selective frequency filter. - View Dependent Claims (9, 10, 11)
- a substrate;
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12. A folded dipole antenna, comprising:
- conducting dipole arms;
a distributed network filter having distributed reactance within and between the conducting dipole arms; and
a tunable reactance connected to an input of the distributed network filter for adjusting a resonant frequency of the antenna, wherein the distributed reactance includes ceramic dielectric elements having precise dielectric permittivity and/or permeability formed on and/or in a substrate and in proximity to the conducting dipole arms. - View Dependent Claims (13, 14, 15, 16, 17, 18)
- conducting dipole arms;
Specification