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RFID tag for cigarette case identification

A technology of RFID tags and cigarette cases, applied in the field of RFID tags in the tobacco industry and electronic tags, can solve the problems of easy outgassing and odor of cigarettes, unfavorable cigarette protection, loss of moisture resistance, etc., and achieve good omnidirectional radiation characteristics, good Conducive to engineering and mass application, simple structure

Inactive Publication Date: 2016-01-27
ICOMP TECH DALIAN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the removal of part of the aluminum foil film to design a slot antenna structure, the tin foil (aluminum foil film) is not a whole, and loses its moisture-proof function, and cigarettes are also prone to gas and odor, which is not conducive to the protection of cigarettes.

Method used

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  • RFID tag for cigarette case identification
  • RFID tag for cigarette case identification
  • RFID tag for cigarette case identification

Examples

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Embodiment Construction

[0021] The UHF RFID tag consists of two parts, one is the tag chip and the other is the tag antenna. Such as figure 1 As shown, the right side is the equivalent circuit of the tag chip, and the left side is the equivalent circuit of the tag antenna; when the impedance conjugates of the antenna and the tag correspond to each other, the UHF RFID tag achieves the best impedance matching. The impedance conjugate relationship between the tag antenna and the tag chip is as follows:

[0022] is the real part of the antenna impedance, is the imaginary part of the antenna impedance; ANT identifies the antenna;

[0023] is the real part of the chip impedance, is the imaginary part of chip impedance; IC means chip;

[0024] real part of antenna impedance and the real part of chip impedance equal;

[0025] Imaginary part of antenna impedance and the imaginary part of chip impedance opposite numbers;

[0026] The value of the chip parallel resistance Ri can be t...

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PUM

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Abstract

The invention provides an RFID tag for cigarette case identification. A UHF RFID electronic tag 3 is adhered to the outer side of a cigarette-case external paper package 2. The UHF RFID electronic tag 3, the cigarette-case external paper package 2 and a cigarette-case internal tinfoil package 1 are integrated to form the whole tag. By adhering the RFID tag on the cigarette-case external paper package, the tag can be accessed from any angle. With a simple structure, the RFID tag of the invention may be designed to be relatively wide and has the characteristic of good omnidirectional exposure and good anti-fake function. In addition, due to complete tinfoil, the addition of the RFID tag will not lead to loss of the moisture-proof function of a cigarette case, so that cigarettes will not become stale or vapid. Furthermore, the adhered tag will not cause increase of the whole thickness of the cigarette case, thereby facilitating engineering and batch large-scale application.

Description

technical field [0001] The invention relates to the technical field of electronic tags, in particular to the technical field of RFID tags applied in the tobacco industry. Background technique [0002] In the tobacco industry, in order to establish a production process and an efficient distribution system, the sorting system that plays a decisive role in logistics and distribution is the core. A variety of technologies are introduced to save costs, improve efficiency, and reduce labor-intensive. The traditional sorting system of the tobacco industry uses the RS485Bus interface to collect data, which has the advantages of barcode and optical scanners, multi-node support and long-distance high-speed induction communication. But it also has disadvantages such as the barcode system is susceptible to dust pollution, slow network speed, inconvenient real-time processing, and difficult communication between slave nodes. Compared with the use of high-speed controller LAN bus techno...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K19/077
Inventor 章伟田果成高晓曦邱运邦
Owner ICOMP TECH DALIAN
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