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Antenna assembly

A technology of antenna components and antenna elements, which is applied to antenna parts, antennas, resonant antennas, etc., and can solve the problems of satellite antenna component performance degradation and other issues

Inactive Publication Date: 2013-05-01
HARADA IND OF AMERICA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If the satellite radio antenna assembly is placed adjacent to the FM antenna assembly, the performance of the satellite antenna assembly will be reduced due to shadowing effects between the two antenna assemblies
[0009] Also, due to the complexity of the aforementioned antenna assemblies, these antenna assemblies may have low return loss, which means that the signal picked up by the antenna element is not efficiently passed to the amplifier and then to the radio

Method used

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Embodiment Construction

[0017] With reference to the accompanying drawings, figure 1 with figure 2 An exemplary antenna assembly 20 constructed in accordance with at least one aspect of the present invention is generally shown. The antenna assembly 20 is preferably for use on a motor vehicle 22 such as a passenger car, truck, bus or the like. However, it should be understood that antenna assembly 20 may be used in many other vehicular or non-vehicular applications.

[0018] The exemplary antenna assembly 20 includes a ground mount 24 , a printed circuit board 26 , an antenna element 28 and a cover 30 . The ground mount 24 is preferably made of metal and is electrically grounded to a metallic component of the vehicle, such as the roof or the trunk. The ground mount 24 includes at least one ground post 32 extending upwardly therefrom for receiving and supporting the printed circuit board 26 and at least one support 34 for supporting the antenna element 28 . The exemplary support 34 is L-shaped wit...

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Abstract

An antenna assembly for an automobile including an antenna element having a resonance frequency which is higher than the frequency modulation (FM) range of frequencies for receiving at least one of amplitude modulation (AM), FM and satellite digital audio radio service (SDARS) radio signals. A printed circuit board including amplifier circuitry is in electrical communication with the antenna element for amplifying the radio signals received by the antenna element. A lumped element having a quality value greater than sixty is disposed on the printed circuit board for effectively increasing the bandwidth of radio signals which may be received by the antenna element. All of these components are disposed within a small and aesthetically pleasing cover, such as a shark fin-shaped cover.

Description

[0001] Cross References to Related Applications [0002] This application claims priority to U.S. Provisional Patent Application No. 61 / 446,091, filed February 24, 2011, entitled "Antenna Assembly," the entire disclosure of which is considered a part of the disclosure of this application , and is hereby incorporated herein by reference. technical field [0003] The invention relates to antennas for vehicles. More specifically, the present invention relates to an antenna for a vehicle comprising an antenna element and a printed circuit board amplifier placed within a housing. Background technique [0004] Conventionally, the radio antenna is placed on the outside of the vehicle and is clearly visible to the driver and others outside the vehicle. Many of these antennas have an elongated rod-like shape extending upward from the front or rear of the vehicle. However, some have found such antennas distracting and less visually appealing. Another type of vehicle antenna is emb...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01Q1/22H01Q1/36H01Q1/32
CPCH01Q1/3275H01Q9/42
Inventor R·利拉腊特纳
Owner HARADA IND OF AMERICA
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