CN109871719A - A kind of method and system improving multi-tag reading rate - Google Patents

A kind of method and system improving multi-tag reading rate Download PDF

Info

Publication number
CN109871719A
CN109871719A CN201910178894.6A CN201910178894A CN109871719A CN 109871719 A CN109871719 A CN 109871719A CN 201910178894 A CN201910178894 A CN 201910178894A CN 109871719 A CN109871719 A CN 109871719A
Authority
CN
China
Prior art keywords
read
determination
frequency point
radio frequency
optimal modulation
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910178894.6A
Other languages
Chinese (zh)
Inventor
张俊杰
王炜
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Xinzhou Forest Technology Co Ltd
Original Assignee
Shenzhen Xinzhou Forest Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenzhen Xinzhou Forest Technology Co Ltd filed Critical Shenzhen Xinzhou Forest Technology Co Ltd
Priority to CN201910178894.6A priority Critical patent/CN109871719A/en
Publication of CN109871719A publication Critical patent/CN109871719A/en
Pending legal-status Critical Current

Links

Landscapes

  • Near-Field Transmission Systems (AREA)

Abstract

The invention discloses a kind of method and system for improving multi-tag reading rate.Wherein, the described method includes: determining the best antennas paths based on radio frequency identification, according to the best antennas paths based on radio frequency identification of the determination, filter out best frequency point, according to the best frequency point filtered out, optimal modulation system is specified, and according to the optimal modulation system of the determination, realizes adjustment power.By the above-mentioned means, can be realized the variation for reading number of labels according to different antennae and different frequent points, intelligent selection antenna and frequency point, the residence time of antenna and frequency point is determined, to promote the rate that reader reads label.

Description

A kind of method and system improving multi-tag reading rate
Technical field
The present invention relates to technical field of RFID more particularly to a kind of method for improving multi-tag reading rate and it is System.
Background technique
RFID(Radio Frequency Identification, radio frequency identification) technology, also known as radio frequency identification, be A kind of communication technology can be identified specific objective by radio signals and read and write related data, without identifying system with it is specific Mechanical or optical contact is established between target.
If radio frequency, usually microwave, 1-100GHz are communicated suitable for short distance identification.
The signal of radio is the electromagnetic field by being tuned into radio frequency, data from the label being attached on article It sends out, to recognize automatically and track the article.Certain labels are in identification from the electromagnetic field that identifier issues Energy is obtained, battery is not needed;Also there is label itself to possess power supply, and can actively issue radio wave and (be tuned into radio The electromagnetic field of frequency).Label contains the information of Electronic saving, can identify within several meters.Unlike bar code, penetrate Frequency marking label do not need to be within identifier sight, can also be embedded in and be tracked within object.
Many industries have all used Radio Frequency Identification Technology.Label is attached to an automobile just in production, manufacturer is just The progress of this vehicle in the production line can be tracked.Warehouse can track the place of drug.RF tag can also invest livestock with On pet, the convenient positive identification to livestock and pet.The identification card of radio frequency identification can make employee get enter into latching Building part, the radio frequency transponder on automobile can also be used to impose the expense of charging section and parking lot.
The industry of radio frequency discrimination RFID application is more and more, and the scene that multi-tag is read is increasingly common, how to improve reading The rate for writing device reading label becomes one important project of industry, and RFID technique is increasingly mature, who has faster Reading label speed, who can preferably take advantage in commercial competition, to occupy bigger market.
But at least there are the following problems in the prior art for inventor's discovery:
Existing radio frequency discrimination RFID industry generally uses the antenna of high-gain, increases antenna number and the sides such as optimization antenna is placed Case, can not be intelligent be arranged according to the quantity of label progress adjustment in real time is related, is unable to ensure reader and reads at this moment Take in the best state, and adaptive capacity is not strong, different for different tag reading capabilities.
Summary of the invention
In view of this, it is an object of the invention to propose a kind of method and system for improving multi-tag reading rate, it can Realize the variation that number of labels is read according to different antennae and different frequent points, intelligent selection antenna and frequency point, determine antenna and The residence time of frequency point, to promote the rate that reader reads label.
According to an aspect of the present invention, a kind of method improving multi-tag reading rate is provided, comprising:
Determine the best antennas paths based on radio frequency identification;
According to the best antennas paths based on radio frequency identification of the determination, best frequency point is filtered out;
According to the best frequency point filtered out, optimal modulation system is specified;
According to the optimal modulation system of the determination, adjustment power is realized.
Wherein, best antennas paths of the determination based on radio frequency identification, comprising:
Multi-tag is read by reader, when reader starts to read multi-tag, detects the number of labels that each antenna is read, From mostly toward minispread, determining the best antennas paths based on radio frequency identification.
Wherein, the best antennas paths based on radio frequency identification according to the determination, filter out best frequency point, packet It includes:
According to the best antennas paths based on radio frequency identification of the determination, frequency point screening is carried out, is read according to different frequent points Number of labels is ranked up, and filters out best frequency point.
Wherein, the best frequency point filtered out according to, specifies optimal modulation system, comprising:
According to the best frequency point filtered out, in different modulating mode, number of labels is read in detection, specifies optimal modulation Mode.
Wherein, the optimal modulation system according to the determination realizes adjustment power, comprising:
According to the optimal modulation system of the determination, the minimum performance number that can read full label is detected, if read in reader During label, power can be read together at this time, then performance number reduces by one grade, be increased if the power reads infull label One grade, realize adjustment power.
According to another aspect of the present invention, a kind of system improving multi-tag reading rate is provided, comprising:
Determination unit, screening unit, clear unit and adjustment unit;
The determination unit, for determining the best antennas paths based on radio frequency identification;
The screening unit filters out preferably frequency for the best antennas paths based on radio frequency identification according to the determination Point;
The clear unit, the best frequency point for filtering out according to, specifies optimal modulation system;
The adjustment unit realizes adjustment power for the optimal modulation system according to the determination.
Wherein, the determination unit, is specifically used for:
Multi-tag is read by reader, when reader starts to read multi-tag, detects the number of labels that each antenna is read, From mostly toward minispread, determining the best antennas paths based on radio frequency identification.
Wherein, the screening unit, is specifically used for:
According to the best antennas paths based on radio frequency identification of the determination, frequency point screening is carried out, is read according to different frequent points Number of labels is ranked up, and filters out best frequency point.
Wherein, the clear unit, is specifically used for:
According to the best frequency point filtered out, in different modulating mode, number of labels is read in detection, specifies optimal modulation Mode.
Wherein, the adjustment unit, is specifically used for:
According to the optimal modulation system of the determination, the minimum performance number that can read full label is detected, if read in reader During label, power can be read together at this time, then performance number reduces by one grade, be increased if the power reads infull label One grade, realize adjustment power.
It can be found that above scheme, can determine the best antennas paths based on radio frequency identification, and according to the determination Best antennas paths based on radio frequency identification filter out best frequency point, and the best frequency point filtered out according to this, specify optimal Modulation system, and according to the optimal modulation system of the determination, realize adjustment power, can be realized according to not on the same day Line and different frequent points read the variation of number of labels, intelligent selection antenna and frequency point, determine the residence time of antenna and frequency point, To promote the rate that reader reads label.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with It obtains other drawings based on these drawings.
Fig. 1 is the flow diagram for one embodiment of method that the present invention improves multi-tag reading rate;
Fig. 2 is the structural schematic diagram for one embodiment of system that the present invention improves multi-tag reading rate;
Fig. 3 is the structural schematic diagram for another embodiment of system that the present invention improves multi-tag reading rate.
Specific embodiment
With reference to the accompanying drawings and examples, the present invention is described in further detail.It is emphasized that following implement Example is merely to illustrate the present invention, but is not defined to the scope of the present invention.Likewise, following embodiment is only portion of the invention Point embodiment and not all embodiments, institute obtained by those of ordinary skill in the art without making creative efforts There are other embodiments, shall fall within the protection scope of the present invention.
The present invention provides a kind of method for improving multi-tag reading rate, can be realized according to different antennae and different frequent points The variation of number of labels, intelligent selection antenna and frequency point are read, the residence time of antenna and frequency point is determined, to promote read-write The rate of device reading label.
Referring to Figure 1, Fig. 1 is the flow diagram for one embodiment of method that the present invention improves multi-tag reading rate.It needs It is noted that if having substantially the same as a result, method of the invention is not limited with process sequence shown in FIG. 1.Such as Fig. 1 institute Show, this method comprises the following steps:
S101: the best antennas paths based on radio frequency identification are determined.
Wherein, best antennas paths of the determination based on radio frequency identification may include:
Multi-tag is read by reader, when reader starts to read multi-tag, detects the number of labels that each antenna is read, From mostly toward minispread, determining the best antennas paths based on radio frequency identification.
S102: according to the best antennas paths based on radio frequency identification of the determination, best frequency point is filtered out.
Wherein, the best antennas paths based on radio frequency identification according to the determination, filter out best frequency point, can wrap It includes:
According to the best antennas paths based on radio frequency identification of the determination, frequency point screening is carried out, reads and marks according to different frequent points Quantity is signed, is ranked up, filters out best frequency point.
S103: the best frequency point filtered out according to this specifies optimal modulation system.
Wherein, the best frequency point filtered out according to this, specifies optimal modulation system, may include:
The best frequency point filtered out according to this, in different modulating mode, number of labels is read in detection, specifies optimal modulation methods Formula.
S104: according to the optimal modulation system of the determination, adjustment power is realized.
Wherein, the optimal modulation system according to the determination realizes adjustment power, may include:
According to the optimal modulation system of the determination, the minimum performance number that can read full label is detected, if reading to mark in reader During label, power can be read together at this time, then performance number reduces by one grade, increase by one if the power reads infull label Shelves realize adjustment power.
In the present embodiment, the present invention improves one embodiment of method of multi-tag reading rate, and multichannel can be monitored in real time Reader difference channel and different frequent points read the quantity of label, intelligent selection antenna, frequency point, modulation and data encoding side Formula.
In the present embodiment, the present invention improves one embodiment of method of multi-tag reading rate, can imitate according to label is read Fruit adjusts watt level in real time, improves carrier wave leakage effect, improves label reading rate.
In the present embodiment, the present invention improves one embodiment of method of multi-tag reading rate, and multi-tag reading can be improved Rate is taken, product competitiveness is promoted.
In the present embodiment, the present invention improves one embodiment of method of multi-tag reading rate, and the property promoted the use of is strong, can be with Applied to plurality of application scenes.
In the present embodiment, the present invention improves one embodiment of method of multi-tag reading rate, can be applied to intelligence and sells Sell the products such as cabinet.
It can be found that in the present embodiment, can determine the best antennas paths based on radio frequency identification, and really according to this The fixed best antennas paths based on radio frequency identification filter out best frequency point, and the best frequency point filtered out according to this, clear Optimal modulation system, and according to the optimal modulation system of the determination, realize adjustment power, it can be realized according to not The variation of number of labels, intelligent selection antenna and frequency point are read with antenna and different frequent points, determine the resident of antenna and frequency point Time, to promote the rate that reader reads label.
The present invention also provides a kind of systems for improving multi-tag reading rate, can be realized according to different antennae and difference Frequency point reads the variation of number of labels, intelligent selection antenna and frequency point, the residence time of antenna and frequency point is determined, to be promoted The rate of reader reading label.
Fig. 3 is referred to, Fig. 3 is the structural schematic diagram for one embodiment of system that the present invention improves multi-tag reading rate. In the present embodiment, the system 20 of the raising multi-tag reading rate includes determination unit 21, screening unit 22, clear unit 23 With adjustment unit 24.
The determination unit 21, for determining the best antennas paths based on radio frequency identification.
The screening unit 22 filters out best for the best antennas paths based on radio frequency identification according to the determination Frequency point.
The clear unit 23, the best frequency point for being filtered out according to this, specifies optimal modulation system.
The adjustment unit 24 realizes adjustment power for the optimal modulation system according to the determination.
Optionally, the determination unit 21, can be specifically used for:
Multi-tag is read by reader, when reader starts to read multi-tag, detects the number of labels that each antenna is read, From mostly toward minispread, determining the best antennas paths based on radio frequency identification.
Optionally, the screening unit 22, can be specifically used for:
According to the best antennas paths based on radio frequency identification of the determination, frequency point screening is carried out, reads and marks according to different frequent points Quantity is signed, is ranked up, filters out best frequency point.
Optionally, the clear unit 23, can be specifically used for:
The best frequency point filtered out according to this, in different modulating mode, number of labels is read in detection, specifies optimal modulation methods Formula.
Optionally, the adjustment unit 24, can be specifically used for:
According to the optimal modulation system of the determination, the minimum performance number that can read full label is detected, if reading to mark in reader During label, power can be read together at this time, then performance number reduces by one grade, increase by one if the power reads infull label Shelves realize adjustment power.
Each unit module of the system 20 of the raising multi-tag reading rate can execute above method embodiment respectively Middle corresponding step, therefore each unit module is not repeated herein, refer to the explanation of the above corresponding step.
Fig. 3 is referred to, Fig. 3 is the structural representation for another embodiment of system that the present invention improves multi-tag reading rate Figure.Each unit module of the system of the raising multi-tag reading rate can execute corresponding in above method embodiment respectively Step.Related content refers to the detailed description in the above method, no longer superfluous herein to chat.
In the present embodiment, the system of the raising multi-tag reading rate includes: processor 31, couples with the processor 31 Memory 32, clear device 33, adjuster 34.
The processor 31, for determining best antennas paths based on radio frequency identification, and according to the determination based on penetrating The best antennas paths of frequency identification, filter out best frequency point.
The memory 32, the instruction etc. executed for storage program area, the processor 31.
The clear device 33, the best frequency point for being filtered out according to this, specifies optimal modulation system.
The adjuster 34 realizes adjustment power for the optimal modulation system according to the determination.
Optionally, the processor 31, can be specifically used for:
Multi-tag is read by reader, when reader starts to read multi-tag, detects the number of labels that each antenna is read, From mostly toward minispread, determining the best antennas paths based on radio frequency identification.
Optionally, the processor 31, can be specifically used for:
According to the best antennas paths based on radio frequency identification of the determination, frequency point screening is carried out, reads and marks according to different frequent points Quantity is signed, is ranked up, filters out best frequency point.
Optionally, the clear device 33, can be specifically used for:
The best frequency point filtered out according to this, in different modulating mode, number of labels is read in detection, specifies optimal modulation methods Formula.
Optionally, the adjuster 34, can be specifically used for:
According to the optimal modulation system of the determination, the minimum performance number that can read full label is detected, if reading to mark in reader During label, power can be read together at this time, then performance number reduces by one grade, increase by one if the power reads infull label Shelves realize adjustment power.
It can be found that above scheme, can determine the best antennas paths based on radio frequency identification, and according to the determination Best antennas paths based on radio frequency identification filter out best frequency point, and the best frequency point filtered out according to this, specify optimal Modulation system, and according to the optimal modulation system of the determination, realize adjustment power, can be realized according to not on the same day Line and different frequent points read the variation of number of labels, intelligent selection antenna and frequency point, determine the residence time of antenna and frequency point, To promote the rate that reader reads label.
In several embodiments provided by the present invention, it should be understood that disclosed system, device and method can To realize by another way.For example, device embodiments described above are only schematical, for example, module or The division of unit, only a kind of logical function partition, there may be another division manner in actual implementation, such as multiple units Or component can be combined or can be integrated into another system, or some features can be ignored or not executed.Another point, institute Display or the mutual coupling, direct-coupling or communication connection discussed can be through some interfaces, device or unit Indirect coupling or communication connection can be electrical property, mechanical or other forms.
Unit may or may not be physically separated as illustrated by the separation member, shown as a unit Component may or may not be physical unit, it can and it is in one place, or may be distributed over multiple networks On unit.It can select some or all of unit therein according to the actual needs to realize the mesh of present embodiment scheme 's.
In addition, each functional unit in each embodiment of the present invention can integrate in one processing unit, it can also To be that each unit physically exists alone, can also be integrated in one unit with two or more units.It is above-mentioned integrated Unit both can take the form of hardware realization, can also realize in the form of software functional units.
It, can if integrated unit is realized in the form of SFU software functional unit and when sold or used as an independent product To be stored in a computer readable storage medium.Based on this understanding, technical solution of the present invention substantially or Say that all or part of the part that contributes to existing technology or the technical solution can embody in the form of software products Out, which is stored in a storage medium, including some instructions are used so that a computer equipment (can be personal computer, server or the network equipment etc.) or processor (processor) execute each implementation of the present invention The all or part of the steps of methods.And storage medium above-mentioned include: USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic or disk etc. it is various It can store the medium of program code.
The foregoing is merely section Examples of the invention, are not intended to limit protection scope of the present invention, all utilizations Equivalent device made by description of the invention and accompanying drawing content or equivalent process transformation are applied directly or indirectly in other correlations Technical field, be included within the scope of the present invention.

Claims (10)

1. a kind of method for improving multi-tag reading rate characterized by comprising
Determine the best antennas paths based on radio frequency identification;
According to the best antennas paths based on radio frequency identification of the determination, best frequency point is filtered out;
According to the best frequency point filtered out, optimal modulation system is specified;
According to the optimal modulation system of the determination, adjustment power is realized.
2. improving the method for multi-tag reading rate as described in claim 1, which is characterized in that the determination is known based on radio frequency Other best antennas paths, comprising:
Multi-tag is read by reader, when reader starts to read multi-tag, detects the number of labels that each antenna is read, From mostly toward minispread, determining the best antennas paths based on radio frequency identification.
3. improve the method for multi-tag reading rate as described in claim 1, which is characterized in that described according to the determination Best antennas paths based on radio frequency identification, filter out best frequency point, comprising:
According to the best antennas paths based on radio frequency identification of the determination, frequency point screening is carried out, is read according to different frequent points Number of labels is ranked up, and filters out best frequency point.
4. improving the method for multi-tag reading rate as described in claim 1, which is characterized in that described to be filtered out according to Best frequency point, specify optimal modulation system, comprising:
According to the best frequency point filtered out, in different modulating mode, number of labels is read in detection, specifies optimal modulation Mode.
5. improve the method for multi-tag reading rate as described in claim 1, which is characterized in that described according to the determination Optimal modulation system realizes adjustment power, comprising:
According to the optimal modulation system of the determination, the minimum performance number that can read full label is detected, if read in reader During label, power can be read together at this time, then performance number reduces by one grade, be increased if the power reads infull label One grade, realize adjustment power.
6. a kind of system for improving multi-tag reading rate characterized by comprising
Determination unit, screening unit, clear unit and adjustment unit;
The determination unit, for determining the best antennas paths based on radio frequency identification;
The screening unit filters out preferably frequency for the best antennas paths based on radio frequency identification according to the determination Point;
The clear unit, the best frequency point for filtering out according to, specifies optimal modulation system;
The adjustment unit realizes adjustment power for the optimal modulation system according to the determination.
7. improving the system of multi-tag reading rate as claimed in claim 6, which is characterized in that the determination unit, tool Body is used for:
Multi-tag is read by reader, when reader starts to read multi-tag, detects the number of labels that each antenna is read, From mostly toward minispread, determining the best antennas paths based on radio frequency identification.
8. improving the system of multi-tag reading rate as claimed in claim 6, which is characterized in that the screening unit, tool Body is used for:
According to the best antennas paths based on radio frequency identification of the determination, frequency point screening is carried out, is read according to different frequent points Number of labels is ranked up, and filters out best frequency point.
9. improving the system of multi-tag reading rate as claimed in claim 6, which is characterized in that the clear unit, tool Body is used for:
According to the best frequency point filtered out, in different modulating mode, number of labels is read in detection, specifies optimal modulation Mode.
10. improving the system of multi-tag reading rate as claimed in claim 6, which is characterized in that the adjustment unit, tool Body is used for:
According to the optimal modulation system of the determination, the minimum performance number that can read full label is detected, if read in reader During label, power can be read together at this time, then performance number reduces by one grade, be increased if the power reads infull label One grade, realize adjustment power.
CN201910178894.6A 2019-03-11 2019-03-11 A kind of method and system improving multi-tag reading rate Pending CN109871719A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910178894.6A CN109871719A (en) 2019-03-11 2019-03-11 A kind of method and system improving multi-tag reading rate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910178894.6A CN109871719A (en) 2019-03-11 2019-03-11 A kind of method and system improving multi-tag reading rate

Publications (1)

Publication Number Publication Date
CN109871719A true CN109871719A (en) 2019-06-11

Family

ID=66920161

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910178894.6A Pending CN109871719A (en) 2019-03-11 2019-03-11 A kind of method and system improving multi-tag reading rate

Country Status (1)

Country Link
CN (1) CN109871719A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110414282A (en) * 2019-07-24 2019-11-05 群淂数码科技(上海)有限公司 Analysis system and its frequency-response analysis method based on ultrahigh-frequency tag equipment
CN111967547A (en) * 2020-07-06 2020-11-20 深圳市成为信息技术有限公司 Multi-label checking method, electronic equipment and storage medium
CN115428344A (en) * 2020-05-27 2022-12-02 欧姆龙株式会社 RFID communication unit, control method, and RFID communication program

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1796016A2 (en) * 2005-12-09 2007-06-13 Feig Electronic GmbH Emitting device with low noise, high efficiency and variable power for RFID reader/writer
CN101655899A (en) * 2008-08-20 2010-02-24 中兴通讯股份有限公司 Method and system for evaluating radio frequency identification electronic label
CN104318191A (en) * 2014-10-16 2015-01-28 江苏国光信息产业股份有限公司 UHFRFID (Ultra High Frequency Radio Frequency Identification Device) self-adaptation working method
CN104598946A (en) * 2015-02-10 2015-05-06 东南大学 Method used for testing minimum triggering power of RFID (radio frequency identification) tag and based on virtual instrument

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1796016A2 (en) * 2005-12-09 2007-06-13 Feig Electronic GmbH Emitting device with low noise, high efficiency and variable power for RFID reader/writer
CN101655899A (en) * 2008-08-20 2010-02-24 中兴通讯股份有限公司 Method and system for evaluating radio frequency identification electronic label
CN104318191A (en) * 2014-10-16 2015-01-28 江苏国光信息产业股份有限公司 UHFRFID (Ultra High Frequency Radio Frequency Identification Device) self-adaptation working method
CN104598946A (en) * 2015-02-10 2015-05-06 东南大学 Method used for testing minimum triggering power of RFID (radio frequency identification) tag and based on virtual instrument

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110414282A (en) * 2019-07-24 2019-11-05 群淂数码科技(上海)有限公司 Analysis system and its frequency-response analysis method based on ultrahigh-frequency tag equipment
CN115428344A (en) * 2020-05-27 2022-12-02 欧姆龙株式会社 RFID communication unit, control method, and RFID communication program
CN115428344B (en) * 2020-05-27 2024-03-19 欧姆龙株式会社 RFID communication unit, control method, and computer-readable storage medium
CN111967547A (en) * 2020-07-06 2020-11-20 深圳市成为信息技术有限公司 Multi-label checking method, electronic equipment and storage medium

Similar Documents

Publication Publication Date Title
CN109871719A (en) A kind of method and system improving multi-tag reading rate
KR101597199B1 (en) Rfid portal system with rfid tags having various read ranges
EP1708375B1 (en) Ic tag location recognition device and method
CN1701341A (en) Identification tag
WO2008076898A1 (en) Queued operations in hf/uhf rfid applications
CN101359358A (en) Label recognizing system, label accessing device and label sposition determining method
CN111914582B (en) RFID identification method suitable for fast moving object
CN101377820B (en) Method for searching label in radio frequency recognition system and reader-writer
US9552539B2 (en) Selectively addressing transponders
CN109034313A (en) Parking stall use state detection method, system, reflective tape and anticollision strip
CN203276293U (en) Intelligent positioning management device for test tube
CN109614832B (en) Card reading method and device of radio frequency identification reader and computer readable storage medium
CN101739536A (en) Method for reading and writing tags in radio-frequency recognition system and reader-writer
CN113469314B (en) Intelligent file positioning method and system based on RFID antenna and storage medium
CN201438311U (en) Tunnel-type radio frequency identification reading and writing equipment
CN102810147A (en) IC (integrated circuit) card read and wireless transmission device, passive display unit and IC card
CN114254663A (en) Method, system and medium for preventing misreading of RFID (radio frequency identification) electronic tags on multiple adjacent objects
CN209895346U (en) Novel card reader
US20150161421A1 (en) Apparatus and method for controlling supply of power to radio frequency identification tag
CN101493880A (en) Jumping binary search collision resistance method by utilizing CPLD and singlechip
CN201742511U (en) Wireless radio-frequency identifying system for communication machine cabinet management
CN105303135A (en) Method and device of communication establishment and card reader
CN110542882A (en) RFID-based method for calculating position of article in drawer
CN203276314U (en) Blade server positioning device based on RFID technology
CN212379851U (en) Antenna device for multi-card radio frequency identification

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20190611

RJ01 Rejection of invention patent application after publication