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Antenna apparatus

A technology of an antenna device and a power supply unit, which is applied to the antenna grounding device, antenna, resonant antenna and other directions, and can solve the problems of peeling off of the radiation electrode.

Inactive Publication Date: 2008-04-02
ORMON CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In a conventional antenna device, a radiation conductor made of a metal plate is disposed on the surface of a dielectric, so if an impact is applied to the antenna device by dropping or the like, the radiation electrode will be peeled off from the dielectric

Method used

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Embodiment Construction

[0048] Hereinafter, embodiments of the present invention will be described with reference to the drawings.

[0049] FIG. 1 shows an antenna device 1 according to a first embodiment of the present invention. In antenna device 1 , ground conductor 3 made of a metal layer is formed on the surface of substrate 2 , radiation conductor 4 made of a metal plate is inserted, and radiation member 6 formed by molding dielectric 5 in a plate shape is arranged side by side with ground conductor 3 .

[0050] The radiation conductor 4 has a power feeding part 8 protruding from the center of the lower end of the dielectric 5 and connected to a power feeding pad 7 formed on the substrate 2 , and two fixing parts 10 fixed to a fixing pad 9 formed on the substrate 2 . The power supply plate 7 supplies power to the radiation conductor 4 , and the fixed plate 9 is a metal layer that mechanically fixes the fixed portion 10 and is electrically insulated from other components.

[0051] 2 to 4 show t...

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PUM

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Abstract

The present invention provides an antenna apparatus, which does not peel off from dielectric even though the antenna is got impulsion radiation. The antenna is composed by means of jointing a board-shaped radiation member (6) composed of dielectric (5) with radiation conductor (4) on the surface of a substrate with earthing conductor, where the radiation conductor (4) is arranged with: a power supply part (8), which bares at the center of one end of the dielectric (5) and connects with a power supply plate setting on the substrate; left-right binate a plurality of incising parts (11, 12); steps (13), forming by a bend between a power supply part (8) and a incising part (12) being at the farthest from the power supply part (8), and embedding the power supply part (8) within the dielectric (5) from the steps of the radiation conductor (4).

Description

technical field [0001] The invention relates to an antenna device. Background technique [0002] For example, as described in Patent Document 1, there is known an antenna device having a radiation conductor and a ground conductor on a dielectric surface. In such an antenna device, the signal reception sensitivity in a predetermined band can be reduced by notching the radiation conductor. [0003] In a conventional antenna device, a radiation conductor made of a metal plate is disposed on the surface of a dielectric, so when an impact is applied to the antenna device by dropping or the like, the radiation electrode is peeled off from the dielectric. [0004] Patent Document 1: (Japanese) Unexamined Patent Publication No. 2006-186969 Contents of the invention [0005] Therefore, an object of the present invention is to provide an antenna device in which a radiation conductor does not peel off from a dielectric even when a shock is applied. [0006] In order to solve the a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01Q1/38H01Q9/40
CPCH01Q5/0017H01Q1/36H01Q1/243H01Q1/48H01Q21/29H01Q5/25
Inventor 冈村慎一郎大木纯史
Owner ORMON CORP
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