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Antenna device

An antenna device and antenna coil technology, which is applied in the field of communication, can solve the problems that non-contact communication terminals cannot respond to external readers normally, and achieve the effects of improving the application effect, strengthening the metal shielding layer, and avoiding influence

Active Publication Date: 2010-10-20
SHANGHAI FUDAN MICROELECTRONICS GROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The problem solved by the present invention is to provide an antenna device for a non-contact communication terminal, so as to avoid the problem that the non-contact communication terminal cannot normally respond to an external reader

Method used

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Embodiment Construction

[0025] In order to make the above objects, features and advantages of the present invention more comprehensible, specific implementations of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0026] In the following description, many specific details are set forth in order to fully understand the present invention, but the present invention can also be implemented in other ways than those described here, so the present invention is not limited by the specific embodiments disclosed below.

[0027] As mentioned in the background technology section, there are many parts containing metal materials in the contactless communication terminal of the prior art. These parts containing metal materials are equivalent to laying a layer of metal plate on the back of the antenna, which greatly affects the contactless communication terminal. The application effect of communication.

[0028] The inventor also found that since the antenna of...

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PUM

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Abstract

The invention relates to an antenna device, which is loaded at a non-contact communication terminal and comprises an antenna coil, a metal shielding layer and a magnetic material layer between the antenna coil and the metal shielding layer, wherein the metal shielding layer is located on the antenna device near one side of the non-contact communication terminal, and the antenna coil is located on the antenna device far away from one side of the non-contact communication terminal. The antenna device avoids the influence of metal materials in the non-contact communication terminal on antenna performance, improves the consistency of the antenna performance and effectively enhances the using effect of non-contact communication through installing the metal shielding layer.

Description

technical field [0001] The present invention relates to the technical field of communication, and more specifically, the present invention relates to an antenna device for non-contact communication. Background technique [0002] In recent years, with the rapid development of radio frequency identification (RFID) technology, electronic payment has penetrated into every aspect of daily life. Electronic payment usually adopts the form of smart cards such as credit cards and bus cards to realize the payment function. Electronic payment brings great convenience to people's daily life, especially in fixed business places. The smart card-based electronic payment service has formed a mature technology and a stable market. [0003] This smart card-based electronic payment service usually uses non-contact communication technology, that is, the use of electromagnetic induction principle to realize data transmission between the smart card and an external reader. Both the smart card an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01Q1/22H01Q1/52H01Q7/00G06K7/00
Inventor 赵国梁李蔚王元彪施献斌
Owner SHANGHAI FUDAN MICROELECTRONICS GROUP