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RFID label

A technology of RFID tags and radiating arms, applied in the field of RFID tags, to achieve the effect of high gain, high performance, and long reading distance

Inactive Publication Date: 2016-09-21
胡达凯
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

RFID generally consists of two parts, one is the label part, and the other is the wireless reading system. At present, the wireless reading system has been made very advanced, but the difficulty lies in the label part. How to make the label part as a whole, simple and effective It is a topic that people need to study

Method used

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Examples

Experimental program
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Embodiment Construction

[0028] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments, and the implementation scope of the present invention is not limited thereto.

[0029] like Figure 1 to Figure 7 As shown, the RFID tag described in the present embodiment includes a waterproof base sheet 1, and the waterproof base sheet 1 is provided with an RFID chip 2 and an RFID antenna 3 connected with the RFID chip 2 signal; the RFID chip 2 and the RFID The antennas 3 are encapsulated in the encapsulant 4; the waterproof substrate 1 is generally waterproof paper or other hard objects.

[0030] The RFID antenna 3 includes a PCB board k1, and also includes two left-right symmetrical first radiation units arranged on the PCB board k1, each of the first radiation units includes a first main arm k2, two The middle of each first radiating unit is set as the center origin, and the longitudinal width of each first main arm k2 close to t...

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Abstract

The invention discloses an RFID tag, which includes a waterproof base sheet, on which an RFID chip and an RFID antenna signal-connected to the RFID chip are arranged; the RFID chip and the RFID antenna are encapsulated in a packaging colloid; read Long distance, its reading distance can reach 11‑13m after testing. The reading distance of ordinary RFID tag antennas is less than 10m. Various antennas have good performance, small standing wave ratio, low return loss, high gain and omnidirectionality; they have high performance when used in ultra-high frequency (860-960MHz), especially around 925MHz.

Description

technical field [0001] The invention relates to an RFID tag. Background technique [0002] Radio frequency identification technology (Radio Frequency Identification, abbreviated as RFID) is a technology that uses radio frequency signals to achieve non-contact information transmission through spatial coupling (alternating magnetic field or electromagnetic field) and achieves identification purposes through the transmitted information. Compared with traditional identification technologies (two-dimensional codes, barcodes, etc.), RFID technology has the characteristics of unique marking, large information capacity, fast and convenient reading, multi-label reading, and data encryption. After years of development, it has been widely used in item tracking, aviation luggage sorting, factory assembly lines, car anti-theft, electronic tickets, animal management, commodity anti-counterfeiting and other fields. RFID generally consists of two parts, one is the label part, and the other...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01Q1/22H01Q1/38G06K19/077
CPCH01Q1/2225G06K19/07775H01Q1/38
Inventor 胡达凯
Owner 胡达凯
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