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Electromagnetic coupler and information communication device including same

一种电磁耦合、信息通信的技术，应用在电容器、电路、电气元件等方向，能够解决信号强度不充足、花费劳力和时间等问题，达到容易匹配调整及频带的调整、提高耦合强度、扩大耦合范围的效果

Inactive Publication Date: 2012-03-14
PROTERIAL LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, for example, when the distance between the electromagnetic couplers is 2λ / 15 to 8λ / 15 of the wavelength of the frequency used, the signal strength is insufficient, and the distance between the electromagnetic couplers is 2λ / 15 of the wavelength of the frequency used. Realization of the band-pass filter in the case of / 15 or less requires a new design, so labor and time are spent on the design of the electromagnetic coupler
In addition, when the frequency band used is a wide band, it is necessary to realize many frequencies with suitable matching conditions, and it takes labor and time for the design.

Method used

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  • Electromagnetic coupler and information communication device including same
  • Electromagnetic coupler and information communication device including same
  • Electromagnetic coupler and information communication device including same

Examples

Experimental program
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Embodiment Construction

[0041] Hereinafter, preferred embodiments of the present invention will be described with reference to the drawings.

[0042] figure 1 It is a figure which shows the electromagnetic coupler of this embodiment, figure 1 (a) is a top view of the electromagnetic coupler viewed from the surface side, figure 1 (b) is a plan view seeing through the inside of the electromagnetic coupler from the surface side.

[0043] like figure 1 (a), figure 1 As shown in (b), the electromagnetic coupler 10 has: a conductive pattern 11 formed on the first plane; a power supply pattern 13 formed on a second plane parallel to the first plane and connected to the power supply system 12; 13 is formed separately on the second plane, and the ground pattern 14 of grounding; The first linear conductor 15 that connects conductive pattern 11 and power supply pattern 13; And the plurality of second lines that connect conductive pattern 11 and ground pattern 14 shaped conductor 16.

[0044] In this embod...

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PUM

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Abstract

There is provided an electromagnetic coupler, which includes: a conductor pattern formed in a first conductor layer; a feed pattern connected to a feeding system and a ground pattern separated from the feed pattern, the feed pattern and the ground pattern being formed in a second conductor layer parallel to the first conductor layer; and a first linear conductor and a plurality of second linear conductors formed perpendicularly to the first and the second conductor layers, the first linear conductor connecting the conductor pattern and the feed pattern, the plurality of second linear conductors connecting the conductor pattern and the ground pattern. In addition, the conductor pattern is symmetrical in shape with respect to the connection point between the conductor pattern and the first linear conductor; and the plurality of second linear conductors are symmetrical in position with respect to the first linear conductor in a planar view.

Description

technical field [0001] The present invention relates to an electromagnetic coupler suitable for use in a wireless communication system for transmitting information between information communication devices arranged in a short distance using an electrostatic field or an induced electric field, and to an information communication device equipped with the electromagnetic coupler. Background technique [0002] As a conventional electromagnetic coupler, there is an electromagnetic coupler described in Patent Document 1. This electromagnetic coupler (high-frequency coupler) is constructed by connecting electrodes on a plate, series inductors, and parallel inductors with a high-frequency signal transmission line. In addition, the electromagnetic coupler is arranged on information communication equipment such as a transmitter and a receiver. If the transmitter and receiver are arranged in such a way that the electrodes of the electromagnetic couplers face each other, when the dista...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01Q1/36H01Q1/38H04B5/00
CPCH01P5/12H04B5/00H01G2/22H01P5/02
Inventor 白川洋平寺木直人
Owner PROTERIAL LTD
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