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Radio frequency identification label apparatus

A technology of radio frequency identification tags and tags, which is applied in the field of RFID tag devices, can solve the problems of destroying tag antennas, etc., and achieve the effects of easy implementation, guaranteed reuse, and various ways of use

Inactive Publication Date: 2008-11-19
NEC (CHINA) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Another scenario is physical protection, where physically destroying the tag's antenna prevents the tag from returning information

Method used

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Embodiment Construction

[0019] In the following, the principle and implementation of the present invention will be described in detail with reference to the accompanying drawings.

[0020] The principle of the invention is illustrated in FIG. 2 . As shown in the figure, the RFID tag device 100 of the present invention includes an RFID tag 102 having an antenna 1021 and a chip 1022, a shielding member 104 for shielding RF signals, a film 106, and a substrate 108 for mounting the above components. In an embodiment of the present invention, the shielding member 104 is a printable metal sheet or metal film, such as an aluminum sheet or aluminum film. Based on the Faraday cage principle, between the tag 102 and the reader (not shown), specifically between the antenna 1021 of the tag and the reader, an insulating metal sheet or metal film 104 is set, thereby realizing RF protection. The physical isolation of the signal ensures that the information in the tag 102 cannot be read. The substrate 108 is gener...

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PUM

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Abstract

The invention provides an RFID tag device based on physical properties, which is easy to realize and can be controlled by the user to achieve the privacy protection function based on demands. According to the invention, an RFID tag device is provided, which comprises an RFID tag composed of an antenna and a chip, and a shielding component which can be switched between a first state and a second state; wherein, the first state shields the RF signal going to or coming from the RFID tag; the second state does not shield the RF signal going to or coming from the RFID tag.

Description

technical field [0001] The present invention generally relates to a radio frequency identification (Radio Frequency Identification, abbreviated as RFID) tag device, and more specifically relates to an RFID tag device with a privacy protection function. Background technique [0002] RFID technology realizes the identification and communication between objects and information systems as well as between objects. At present, people have tried and implemented electronic ID cards based on RFID technology, electronic passports based on RFID technology, and EPC (electronic product code) systems based on RFID technology. It brings convenience to people's travel, and also brings efficiency to the country's personal identity management. With the development and wide-scale application of RFID technology, while people are enjoying the benefits brought by RFID technology, the privacy and security of information has gradually become an issue of concern. [0003] Some countries have manda...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K19/077
CPCG06K19/07749G06K19/07345G06K19/07327
Inventor 刘晓炜周波
Owner NEC (CHINA) CO LTD
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