Active UHF/VHF antenna
First Claim
1. An active antenna, comprising:
- a first substrate;
a first antenna element positioned on the first substrate adjacent to a ground plane, the first antenna element coupled to a first conductor at a first filter, the first antenna element further coupled to a second conductor at a second filter, the first antenna element configured for multiple resonances in the UHF and VHF bands;
a first parasitic element positioned adjacent to the first antenna element and the ground plane, wherein the first parasitic element is coupled to the ground plane at a first multi-port switch;
the first multi-port switch configured to open-circuit, short-circuit, or reactively load the first parasitic element;
the first multi-port switch coupled to a first processor, and the first processor configured to further couple with a television receiver circuit,wherein the first processor is configured to receive channel selection information from the television receiver circuit, and using an algorithm resident in the first processor, determine an optimal mode of the active antenna, and communicate control signals to the first multi-port switch for configuring the active antenna in the optimal mode.
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Accused Products
Abstract
An active antenna for UHF/VHF signal receiving is described, the active antenna being capable of configuration in one of a plurality of possible modes. The active antenna includes an antenna element configured for multiple resonances in the UHF/VHF bands, and capable of generating multiple radiation modes as well as active impedance matching using a microprocessor and multi-port switch having variable or multiple selectable modes. The active antenna may include a second antenna element arranged in a right-angle orientation with respect to the first antenna element. The first antenna element, second antenna element, or a combination may be selected for receiving signals in at a desired frequency. A three-dimensional antenna assembly is also described. Each of the examples illustrate an active beam steering antenna capable of UHF/VHF signal receiving.
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Citations
21 Claims
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1. An active antenna, comprising:
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a first substrate; a first antenna element positioned on the first substrate adjacent to a ground plane, the first antenna element coupled to a first conductor at a first filter, the first antenna element further coupled to a second conductor at a second filter, the first antenna element configured for multiple resonances in the UHF and VHF bands; a first parasitic element positioned adjacent to the first antenna element and the ground plane, wherein the first parasitic element is coupled to the ground plane at a first multi-port switch; the first multi-port switch configured to open-circuit, short-circuit, or reactively load the first parasitic element; the first multi-port switch coupled to a first processor, and the first processor configured to further couple with a television receiver circuit, wherein the first processor is configured to receive channel selection information from the television receiver circuit, and using an algorithm resident in the first processor, determine an optimal mode of the active antenna, and communicate control signals to the first multi-port switch for configuring the active antenna in the optimal mode. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21)
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Specification