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Active RFID label used for container electronic seal and its reading device

A technology of radio frequency identification tags and electronic seals, applied in the field of readers, can solve problems such as failure to trigger and failure to work

Inactive Publication Date: 2009-07-15
SHANGHAI SUPER ELECTRONICS TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the trigger method has the following problems in practical applications: trigger reliability, trigger distance, trigger device installation, etc.
For example, the problem of metal explosion-proof film, the electronic tag installed on the window glass cannot receive the signal of the reader and cannot be triggered, which means that it cannot work

Method used

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  • Active RFID label used for container electronic seal and its reading device
  • Active RFID label used for container electronic seal and its reading device
  • Active RFID label used for container electronic seal and its reading device

Examples

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Embodiment Construction

[0014] refer to figure 1 As shown, the active radio frequency identification tag of the present invention includes a radio frequency communication module 3, a microprocessor 4 connected to the radio frequency communication module 3, and a battery 5 for providing electric energy for the tag. Correspondingly, the reader 1 communicating with the tag also includes a radio frequency communication module 2 .

[0015] In actual use, the active radio frequency identification tag is attached to the article, and when the article enters the working range of the radio frequency communication module 2, 3 when the article is close to the reader, the active radio frequency identification tag and the reader It is possible to communicate with each other through the radio frequency communication modules 2 and 3 to transfer data, and the battery 5 provides energy for the tag during this process.

[0016] In the case of the same amount of data to be sent, in order to save power and energy, it is...

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PUM

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Abstract

The invention provides an active RFID (radio frequency identification label) for an electronic seal of a container, comprising a microprocessor, a power source and a radio frequency communication module disposed to send synchronous signals to outside in a clock circulation period and receive data information from a reader in a time far less than the period within the clock circulation period. Through the device, the radio frequency identification label sends the synchronous signals to the reader in advance so as to make a receiving starting time and interval of the label completely synchronous with an interval of sending data by the reader, thus the time for the identification label to receive information is greatly shortened. Viewed from the outside, the label continuously works in a certain period, but on the other hand, the information exchanging process actually needing power lasts for a very short time so that energy is obviously saved and very low power consumption is realized.

Description

technical field [0001] The present invention relates to an active RFID radio frequency identification tag for container electronic seals, and a reader communicating with the active radio frequency identification tag. Background technique [0002] In recent years, automatic identification methods have been rapidly popularized and promoted in many service fields, such as goods sales and logistics distribution, commercial departments, production enterprises and material circulation. The contactless transmission of data between a data carrier and an associated reader is much more flexible than conventional mechanical contact transmission. According to the energy and data transmission method used, we call the non-contact identification system radio frequency identification system (RFID-Radio Frequency Identification). RFID is a technology that uses radio waves to read and write recording media. It combines radio frequency technology with IC card technology and can be used for lo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K19/07G06K7/00
Inventor 秦忠郝延娜王可意
Owner SHANGHAI SUPER ELECTRONICS TECH