Universal dipole with adjustable length antenna elements
First Claim
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1. A dipole, comprising:
- a feed line coupled to a first fitting;
a balun coupled to a second fitting;
a first variable length antenna element coupled to the first fitting;
a second variable length antenna element coupled to the second fitting;
a support plate holding the feed line and the balun at a fixed spacing, the support plate including a short circuit path between the feed line and the balun; and
a sliding short assembly attachable between the feed line and the balun to create a short circuit at variable distances along the feed line and the balun.
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Abstract
Described is a universal dipole which may include a feed line coupled to a first fitting; a balun coupled to a second fitting; a first variable length antenna element coupled to the first fitting; a second variable length antenna element coupled to the second fitting; a support plate holding the feed line and the balun at a fixed spacing, the support plate including a short circuit path between the feed line and the balun; and a sliding short assembly attachable between the feed line and the balun to create a short circuit at variable distances along the feed line and the balun.
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Citations
18 Claims
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1. A dipole, comprising:
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a feed line coupled to a first fitting; a balun coupled to a second fitting; a first variable length antenna element coupled to the first fitting; a second variable length antenna element coupled to the second fitting; a support plate holding the feed line and the balun at a fixed spacing, the support plate including a short circuit path between the feed line and the balun; and a sliding short assembly attachable between the feed line and the balun to create a short circuit at variable distances along the feed line and the balun. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A dipole, comprising:
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a set of variable length antenna elements; a feed line; a balun; a short circuit assembly creating short circuits at variable distances along the feed line and the balun, wherein each of the variable distance short circuits and each of the variable length antenna elements correspond to a receiving frequency of the universal dipole, and wherein the short circuit assembly includes a sliding short assembly which is releaseably connected between the feed line and the balun at the variable distances. - View Dependent Claims (12, 13, 14, 15, 16, 17)
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18. A dipole antenna connectable to a device for receiving and
transmitting signals, the dipole antenna comprising: -
a variable length antenna element to receive signals transmitted to the device; a feed line to conduct the received signals to the device;
a balun and a short circuit assembly;
wherein the short circuit assembly creating variable length short circuits between the feed line and the balun;a signal balancing element to optimize the dipole antenna performance for a plurality of frequency signals, wherein the antenna element includes a plurality of releaseably connectable conducting segments, the antenna element being created by connecting a set of the plurality of conducting segments.
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Specification