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Spotlight antenna

An antenna and spotlight technology, which is applied in the field of spotlight antenna equipment, can solve problems such as the influence of antenna radiation performance, and achieve the effects of reducing antenna cost, improving radiation performance, and improving flexibility

Pending Publication Date: 2017-04-26
FOSHAN BOPUDA COMM TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In view of the deficiencies in the prior art above, the purpose of the present invention is to provide a spotlight antenna, which aims to solve the problems in the prior art that the boundary of the antenna will affect the radiation performance of the antenna.

Method used

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Embodiment Construction

[0022] The present invention provides a spotlight antenna. In order to make the purpose, technical solution and effect of the present invention clearer and clearer, the present invention will be further described in detail below. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0023] A spotlight antenna provided by the present invention, such as figure 1 As shown, it includes a radiation oscillator 1, a reflection base plate 2, a feeder cable (not shown in the figure), and a plastic cover 3; the reflection base plate 2 and the plastic cover 3 are enclosed to form an antenna inner cavity, and the radiation oscillator 1 is arranged in the antenna In the cavity; the inner wall of the plastic cover 3 is provided with a metal film layer 4 .

[0024] The metal film layer 4 on the plastic cover 3 has a reflection effect on the electromagnetic wave, and can also direct the elect...

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Abstract

The invention discloses a spotlight antenna, which comprises a radiation oscillator, a reflective bottom plate, a feeder cable and a plastic outer cover, wherein the reflective bottom plate and the plastic outer cover enclose to form an antenna inner cavity, and the radiation oscillator is arranged inside the antenna inner cavity; and the inner wall of the plastic outer cover is provided with a metal file layer. Compared with the ordinary antennas, the spotlight antenna provided by the invention has the advantages of being capable of improving radiation performance, reducing antenna cost, and improving flexibility of radiation indexes.

Description

technical field [0001] The invention relates to the field of spotlight antenna equipment, and mainly relates to a spotlight antenna. Background technique [0002] Engineering systems such as radio communication, broadcasting, television, radar, navigation, electronic countermeasures, remote sensing, and radio astronomy, which use electromagnetic waves to transmit information, rely on antennas to work. An antenna is a transformer that transforms a guided wave propagating on a transmission line into an electromagnetic wave propagating in an unbounded medium (usually free space), or vice versa. A component used in radio equipment to transmit or receive electromagnetic waves. In addition, in terms of transmitting energy with electromagnetic waves, non-signal energy radiation also requires antennas. Generally, antennas are reversible, that is, the same antenna can be used as both a transmitting antenna and a receiving antenna. The basic characteristic parameters of the same an...

Claims

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Application Information

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IPC IPC(8): H01Q1/22H01Q1/42H01Q19/10
CPCH01Q1/22H01Q1/42H01Q19/10
Inventor 苏小兵范伟航熊峰
Owner FOSHAN BOPUDA COMM TECH CO LTD