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Tunable microstrip antenna device

A technology of microstrip antenna and microstrip line, which is applied to antenna grounding devices, devices that enable antennas to work in different bands at the same time, antennas, etc., to achieve the effect of reducing research and development costs

Pending Publication Date: 2021-08-24
INNER MONGOLIA XIANHONG SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, antennas developed once can only be used in application scenarios that require development.

Method used

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  • Tunable microstrip antenna device
  • Tunable microstrip antenna device
  • Tunable microstrip antenna device

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Embodiment Construction

[0022] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

[0023] In the description of the present application, it should be understood that the terms "center", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", " The orientation or positional relationship indicated by "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, It is only for the purpose of describing the present application and simplifying the description, but does not indicate or imply that the de...

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Abstract

The present invention provides a tunable microstrip antenna device which comprises a dielectric substrate, a main radiator, a second radiator, a third radiator, a through hole, an impedance matching network and a feeder line, the top surface of the dielectric substrate is the main radiator and the second radiator which are located on the same plane, the bottom surface of the dielectric substrate is the third radiator, the second radiator and the third radiator are communicated through a through hole, the second radiator is provided with an impedance matching network and a feeder line, the feeder line is connected with a connecting point and a feeding point arranged on the second radiator, and the impedance matching network is connected with the feeding point and the main radiator. The main body part of the antenna device is a printed circuit board, integrates a radiator and a matching network, and is low in cost and flexible in reference scene.

Description

technical field [0001] The invention relates to an electronic device, in particular to a tunable microstrip antenna device applied in the electronic device. Background technique [0002] Microstrip antennas have the advantages of low profile and low cost, and are widely used in various fields such as satellite communications, navigation telemetry, modern mobile communications, personal communications, and medical devices. However, antennas developed once can only be applied to application scenarios that require development. When the working environment of the antenna changes, the resonant frequency of the antenna will also change. At this time, it is necessary to develop the antenna again, and then make the printed circuit board again. There is an increasing need to increase the environmental adaptability of antennas. Contents of the invention [0003] The primary purpose of the present invention is to solve the above-mentioned technical problems, to provide a tunable mi...

Claims

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Application Information

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IPC IPC(8): H01Q1/38H01Q1/50H01Q1/48H01Q5/10H01Q5/28H01Q5/335H01Q5/55
CPCH01Q1/38H01Q1/50H01Q1/48H01Q5/28H01Q5/335H01Q5/55H01Q5/10
Inventor 刘爽吴泽庆黄志勇
Owner INNER MONGOLIA XIANHONG SCI
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