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Antenna cover for vehicles

A technology of antenna protective cover and antenna structure, applied to antennas, antennas, loop antennas and other directions suitable for movable objects, which can solve the problems of expensive, complex storage of metal plate structures, harmful deformation of difficult structures, etc.

Active Publication Date: 2021-09-10
FUBA AUTOMOTIVE ELECTRONICS GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The storage of sheet metal structures that retain their shape is extremely complex and / or expensive and, due to very small tolerances, harmful deformation of the structure due to handling can only be avoided with great difficulty
[0009] These demands on precision naturally lead to an increase in the manufacturing cost of the antenna

Method used

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  • Antenna cover for vehicles
  • Antenna cover for vehicles
  • Antenna cover for vehicles

Examples

Experimental program
Comparison scheme
Effect test

example 1

[0060] Example 1: Antenna shield (1a) made of dielectric plastic is defined as a ring radiator for receiving circularly polarized satellite radio signals, the opening of which defines a reference plane (16) comprising rings (3,3') and at least one linear radiator (4,4a-d) connected to the ring (3,3') and extending in the direction of the reference plane (16), wherein the ring (3) and the linear radiator (4,4a- d) Applied to the inner surface of the antenna guard (1a) as a coating and forms a conductive and continuous antenna structure.

example 2

[0061] Example 2: The radome according to example 1, wherein the profile of the inner surface of the radome (1a) is configured by shaping the inner surface of the radome (1a) into a conductive surface such that the loops (3,3 ') formed on a surface parallel to the reference plane (16).

example 3

[0062] Example 3: The antenna protection cover according to example 1 or example 2, wherein the linear radiators (4, 4a-d) extending towards the reference plane (16) are formed by conductively coated strip-shaped surfaces.

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Abstract

A closed-loop radiator for receiving circularly polarized satellite radio signals under a shell-type antenna shield made of dielectric plastic, comprising a closed-loop conductor and a vertical radiator connected to the closed-loop conductor; the closed-loop conductor and the vertical radiator serve as A coating is applied to the interior surface of the antenna boot and forms an electrically conductive interconnected antenna structure.

Description

technical field [0001] The invention relates to a protective antenna cover (ESD cover), for example in the form of a housing, which is formed as a ring radiator and in particular consists of a dielectric plastic for receiving circularly polarized satellite radio signals. Background technique [0002] This reception occurs in the example of an SDARS satellite radio at a frequency of about 2.33 GHz with a free-space wavelength λ = 12.8 cm in two adjacent frequency bands, each with a center frequency of 8 MHz apart 4MHz bandwidth. Signals are illuminated from different satellites using electromagnetic waves that are circularly polarized in one direction. A similar satellite radio system is currently being planned. Therefore, a circularly polarized antenna in the corresponding direction of rotation is used for this reception. The satellites of the Global Positioning System (GPS) likewise radiate waves that are circularly polarized in one direction at a frequency of approximat...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01Q1/32H01Q1/38H01Q1/40H01Q7/00
CPCH01Q1/3275H01Q1/38H01Q1/405H01Q7/00
Inventor 斯特凡·林登迈尔海因茨·林登迈尔
Owner FUBA AUTOMOTIVE ELECTRONICS GMBH
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