Multi-tag radio frequency identification system and method based on RFID

A technology of RFID tags and radio frequency identification systems, which is applied in the fields of electromagnetic radiation induction, instruments, and induction record carriers, etc., and can solve problems such as no perception ability, inability to collect with external sensors, and limited usage scenarios, etc.

Active Publication Date: 2021-08-20
江西博星数码科技有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The existing RFID technology often has a very limited reading distance. For example, the 15693 protocol is generally only about 10cm, while the 14443 is closer. The "long-distance" 900MHz RFID distance can only reach about 3m
In addition, most of the existing TAG terminals have no sensory capabilities, and it is impossible to add specific sensors to complete the collection of specific inform

Method used

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  • Multi-tag radio frequency identification system and method based on RFID
  • Multi-tag radio frequency identification system and method based on RFID
  • Multi-tag radio frequency identification system and method based on RFID

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Embodiment Construction

[0046] The principles and features of the present invention are described below in conjunction with the accompanying drawings, and the examples given are only used to explain the present invention, and are not intended to limit the scope of the present invention.

[0047] Such as figure 1 As shown, a RFID-based multi-tag radio frequency identification system includes mutually independent RFID readers, passive coupling antennas and multiple RFID tags, and the passive coupling antennas and multiple RFID tags are placed in a preset space Within the scope, the RFID reader is respectively radio-frequency coupled with a plurality of the RFID tags through the passive coupling antenna, and is used to simultaneously read a plurality of the RFID tags;

[0048] Wherein, the RFID tag is specifically an RFID tag with an interface and a separate transceiver antenna; the RFID reader is specifically an RFID reader with an interface and a separate transceiver antenna.

[0049] In an RFID-base...

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Abstract

The invention relates to a multi-tag radio frequency identification system and method based on RFID, the system comprises an RFID reader, a passive coupled antenna and a plurality of RFID tags which are mutually independent, and the passive coupled antenna and the plurality of RFID tags are placed in a preset space range. The RFID reader is respectively in radio frequency coupling with the plurality of RFID tags through the passive coupling antenna, and is used for reading the plurality of RFID tags at the same time; the RFID tags are specifically RFID tags which are provided with interfaces and are provided with receiving antennas and transmitting antennas which are separated from each other; and the RFID reader is specifically provided with an interface, and a receiving antenna and a transmitting antenna of the RFID reader are separated from each other. According to the invention, a plurality of RFID tags can be read at the same time, the reading distance can be increased, and external equipment can be externally hung.

Description

technical field [0001] The invention relates to the technical field of communication, in particular to an RFID-based multi-label radio frequency identification system and method. Background technique [0002] RFID (Radio Frequency Identification) is a reflective communication technology that has been widely used in logistics, public transportation, door monitoring systems and other scenarios. RFID includes RFID reader and RFID tag (TAG). The RFID reader is an active device that transmits information to the TAG by transmitting and modulating a high-frequency carrier; the TAG is mostly a passive device. Change, this change can be detected by the RFID reader and thus read the information of the TAG. The existing RFID technology often has a very limited reading distance. For example, the 15693 protocol is generally only about 10cm, while the 14443 is closer. The "long-distance" 900MHz RFID distance can only reach about 3m. In addition, most of the existing TAG terminals have n...

Claims

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Application Information

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IPC IPC(8): G06K7/10
CPCG06K7/10019G06K7/10128
Inventor 刘绪平陈文强易路遥刘彭浩邦肖小武霍晓菲蔡超王绎
Owner 江西博星数码科技有限公司
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