Omni-directional dipole antenna with a self balancing feed arrangement
First Claim
1. An omnidirectional dipole antenna having a self balancing feed arrangement comprising first and second dipole arms, a dielectric substrate and a transmission line extending from an input termination point having a ground and a central conductor;
- wherein the central conductor is connected by the transmission line to a feed point on the first dipole arm and only the second dipole arm is connected to the ground and wherein the second dipole arm acts as a ground plane for the transmission line and wherein the transmission line and the second dipole arm are placed on opposite sides of the dielectric substrate.
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Abstract
The present invention relates to radio communications antennas. A wide band omnidirectional dipole antenna is described comprising a dipole antenna having first and second quarter wavelength dipole arms, a transmission line from input termination point having a ground and a central conductor; wherein the central conductor is connected to a centrally located feed point on the first dipole arm by the transmission line and the second dipole arm is connected to ground and acts as a ground plane for the transmission line. The present invention can be deployed in fixed and mobile wireless terminals and associated therewith. The antenna design can provide a cost effective solution to many applications.
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Citations
16 Claims
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1. An omnidirectional dipole antenna having a self balancing feed arrangement comprising first and second dipole arms, a dielectric substrate and a transmission line extending from an input termination point having a ground and a central conductor;
wherein the central conductor is connected by the transmission line to a feed point on the first dipole arm and only the second dipole arm is connected to the ground and wherein the second dipole arm acts as a ground plane for the transmission line and wherein the transmission line and the second dipole arm are placed on opposite sides of the dielectric substrate. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
Specification