RFID Warehousing Logistics Management





RFID Warehousing logistics management

System Introduction
Currently RFID technology is the area of the supply chain brought about a great change, to identify distance, rapid and difficult to damage, such as bar code capacity unmatched advantage, simplifying complex workflows, to effectively improve supply chain efficiency and transparency
Pallet supply chain are the most basic is the most important cargo units, it has been widely used in the production, warehousing, logistics and retail supply chain in all aspect. Shenzhen HUC Technology Co., Ltd. logistics flow pallet RFID solutions are designed for practical application of supply chain design

System Composition
Tray electronic tags, readers, antennas, mobile reading and writing equipment, management software Backgrounds

System Flow
A. Finished product storage boxes - with the electronic tag to enter the empty tray pallet entrance equipment by reading and writing of electronic tags to read and write tests to ensure that performance standards for the electronic tag to enter the circulation. Barcode scanning system for inspection of finished goods qualified me to sweep the bar code, fitted crib, reading and writing compressed will handle the entire cargo pallet barcode write electronic tag information, the implementation of bar code associated with the tag and information to a central management system
B. Aspect tray storage boxes to change or fragmented --- Terminals assembled using mobile RFID read-write device to adjust the data boxes after the re-associated with the tag, write the new tag information, update the central database synchronization
C. Tray out of the Treasury through the fixed RFID reader equipment and antennas buried electronic tag information collected and uploaded to a central management system, the system will verify the data extract barcode information to form boxes, and a dozen achieve two commercial arrival sweep scanning system docking
D. Distribution Center receiving tray in the reading area to stay 2-3 seconds to complete the entire cargo tray sweep of the code, without unstacking single sweep code re-loaded pile
4. System advantages
The program using passive electronic tag, long life, maintenance-free, unique design and can be embedded in a good quality plastic pallets, it is not easy in the tray during transport by collisions, wear and tear. In addition, the electronic tag rewritable data will help resolve the cargo tray adjust, assembled, such as warehousing and logistics questions, tags can be reused, saving the user significant cost
System achieve long-range identification, reading and writing fast and reliable, able to adapt to dynamic running conveyor belt to read and adapt to cigarette manufacturers and other industrial production environment (pieces of the smoke stack), has good anti-interference ability of metal, metal cigarette can be overcome foil packaging to identify the impact of RFID to meet the needs of modern logistics
Deal with information in the tags used in advanced data compression technology to enable electronic loading tray tags carry information (data packets), just scanning tray once the electronic tag information to understand items, remove the tray down tray and reload the necessary human material, to save time, reduce the error rate and probability of damage to goods, realize faster and more accurate inventory, improve the overall transparency of enterprise logistics
5. Effective implementation of the system
The program using long-distance RFID technology, has greatly improved the storage yard sweep speed and accuracy, improve the operating efficiency of the logistics to address the demolition trays, tray loading brought about by increased labor costs, on-site control problem difficulty. System in the logistics aspect of the successful application of the tobacco industry for the whole area of logistics application of RFID technology summed up the experience, laid the foundation, set a good example.





仓储物流管

一、系统介绍
目前RFID术正在为供应链领域带来一场巨大的变革,以识别距离远,快速,不易损坏,容量大等条码无法比拟的优势,简化繁杂的工作流程,有效改善供应链的效率和透明度
盘是供应链中最基础也是最主要的货物单元,它已经广泛应用于生产、仓储、物流、零售等各个供应链环节。深圳市创方科技有限有限公司的物流周转托盘RFID解决方案是专为供应链实际应用设计的
二、系统组
盘电子标签,阅读器,天线,移动式读写设备,后台管理软件
三、工作流程
(1)成品货箱入库——带电子标签的空托盘进入托盘入口,由读写设备对电子标签进行读写测试,保证性能达到标准的电 标签进入流通环节。条码扫描系统对检验合格的成品货箱上的条码进行扫码,装垛,读写器将经过压缩处理的整个托盘货箱条码信息写入电子标签中,实现条码与 标签的关联,并将信息传给中央管理系统
(2)仓储环节进行托盘货箱变更或零散货箱拼装---采用RFID动式读写设备把调整后的货箱数据与标签的重新关联,将新的信息写入标签,同步更新中央数据库。
(3)盘出库---过固定式RFID读写设备及地埋式天线采集电子标签信息,并上传至中央管理系统,系统验证后将数据解压形成货箱条码信息,实现与一打两扫商业到货扫描系统的对接
(4)配送中心接收---盘在阅读区停留23秒就可以完成整个托盘上的货箱的扫码,无需拆垛单扫码再装垛
四、系统优
本方案采用无源电子标签,寿命长,免维护,设计独特,而且可以很好地嵌入塑质托盘,不易在托盘运输过程中受到碰撞、磨损。此外,电子标签可重复写入数据,有利于解决托盘货物调整,拼装等仓储物流问题,标签能循环使用,大幅度节约了用户成本
统实现远距离识别,读写快速可靠,能适应传送带运转等动态读取,并且适应卷烟生产厂等工业生产环境(件烟的堆垛),具有较好的抗金属干扰能力,可以克服卷烟金属箔包装对RFID识别的影响,符合现代化物流的需要
标签信息处理中采用了先进的数据压缩技术,使电子标签携带托盘载物信息(数据包),只需扫描托盘电子标签一次即可了解物品信息,免除拆托盘和重装托盘所需的人力物力,节省时间,降低出错率和货物损坏机率,实现快捷准确的库存盘点,提高企业物流的整体透明度
五、系统实施效
本方案采用远距离RFID术,极大地提高了出入库扫码的速度与准确性,提高了物流的运行效率,解决了拆托盘、装托盘带来的劳动力成本上升、现场控制困难等难题。系统在物流环节中的成功应用,为整个烟草行业物流领域应用RFID术总结了经验,奠定了基础,树立了典范。

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RFID Parking Management





RFID parking management

Application background
With the national economic inter-building and continuous development of the continuous improvement of overall strength, cars have been getting into millions of households. The face of automotive era, the entire community to the requirements of the smart car parks will also be getting higher and higher. HUC technologies provides the latest generation of UHF RFID Products Radio Frequency Identification, which composed of intelligent car park management system will replace the traditional management approach of artificial charges to meet the accelerating pace of life of today's car park management requestRadio frequency automatic identification system, electronic toll collection is a kind of a "radio frequency automatic identification number, model, remote electronic tag card charges, computer management, image matching and the detector calibration," the most novel way of automatic toll collection , road traffic management are moving toward digitization, automation infrastructure.

Practical significance
A. Establish a new image of the property management
The modernization of the use of high-tech products, we will make the property management enterprise image and reputation have been greatly improved. The form of a smart car park management system, both from product design, or automatically bring about the advanced and scientific management, will give the property management to establish a good image, so that enterprises have become the scientific management model
B. Strict management fees
Artificial cash for the current charges on the one hand, labor-intensive, low efficiency, one of the main drawbacks of the other financial existence is a huge loophole cause the loss of cash. The use of radio frequency intelligent car park management system, all fees are recognized and computer statistics, to eliminate the errors and fraud to protect the car and the interests of investors
C. Strengthen the safety management
One car one card, and data archiving to ensure the safety of parking the car park. Artificial issuers, collection card, it is inevitable that when the omission because there is no record available at any time,丢车or misrepresentation丢车phenomenon has happened to the car park brings about a lot of troubles and financial losses. The form of a smart car park management system, monthly card and stored-value card consumer computer record in the corresponding data, after the card is lost in time to re-submit. The hourly rate for lost cards can also be retrieved at any time, timely treatment. In contrast with images of equipment, the types of license plate numbers of parking cards are archived on one card, the vehicle registration prompted wrong computer at any time and warning
D. Good security features
Since radio frequency identification cards are highly confidential, and its encryption generally takes decades of computer time solution can not, so not easy to counterfeit
E. Durable and reliable, fully automated operation
The system uses passive radio frequency identification cards, maintenance-free, long life, Fully Sealed, non-contact, dust-proof water-proof, no need to artificially open the gate, the system auto-reader, inspection cards, open the gate, not only save manpower also save time.

Technical Overview
Microwave radio frequency identification (UHF RFID) technology is the most advanced fourth-generation automatic identification technology, are just beginning to rise in recent years and the rapid popularization and application of a new technology. It has to identify distance and the high rate of recognition accuracy, identification speed, anti-interference ability, long service life, to penetrate non-metallic materials characteristics such as the use of a wide range of. Intelligent car park management system, through the long-range passive RFID technology to effectively prevent the human factor to the car park management of the damage and interference, and achieve buildings, car parks community property intelligent scientific management, can control the cost of wastage, improve operational efficiency , ensure the safety of vehicles.
Car park management vehicle users fall into two broad categories
A. Fixed users: the car park are frequent, almost every day out of the car park to be managed on many occasions
B. Temporary user: access only occasionally refers to the management of car parks were once individual
For fixed users, the existing car park management system uses a monthly card hair Ways to reduce his (her) out of the car park at the time of their registration procedures. However, the current monthly pass cards are mostly used close-up card, each time when entering and leaving the car park the driver must also shake the windows open, put a monthly pass card reader equipment before sloshing out of a few, can lift up to allow traffic into and out of the railings
If you are using long-range monthly cards, as long as the monthly card affixed to car windshields, the arrival of each vehicle parking lot gate, the card reader device can determine the distance and control挡杆automatically lifted, so the vehicle can be fixed users do not have to Parking. This greatly enhance the efficiency of the vehicles, a reduction of pollution; simultaneously removes the weather is inclement weather, such as all the inconveniences caused
4. Equipment Composition
Remote reader device comprises
A. Electronic tags (which is usually described as "card") has been recorded in the electronic tag affixed to the vehicle in the parking lot Management Office of the legitimate registered number as well as the system must consider the characteristics of certain vehicle information. At present, the company to market the United States are imported from the ultra-high frequency electronic tags, the tags for the passive maintenance-free card, reading distance up to more than 7 meters, it used plastic film packaging, comes with paste layer can be directly attached to the car windshield on the use of
B. Reader: microwave antennas used to automatically read the electronic tags on the inside, as the data and to determine the legality of the conduct of electronic tags. The company developed its own secondary reader are specifically for car park management system and launched long-range reader, it has Wiegand26 or RS485, RS232 data output interface can be used with the market in line with the above-mentioned standard interface controller is directly connected without the need to change the existing car park management system of any software and hardware. The general reader through the RS485 port with the car park management system controller connected to each reader to read a number automatically put card number is sent to the controller, the controller to determine the effective number, open the Road vehicle access gate release
C. Reader through the field of microwave antennas transmit signals and receive electronic tag return signal.

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车场行业应

一、应用背
随着国家经济间建设的不断发展和综合实力的不断提高,小汽车已经逐步走进千家万户。面对汽车时代的来临,整个社会对于智能停车场的要求也将越来 越高。创远科技公司提供了最新一代的UHF RFID频识别产品,由它组成的智能停车场管理系统将取代传统的人工收费的管理办法,满足了生活节奏不断加快对当今停车场管理提出的要求。射频自动识别 不停车收费系统是一种采取频自动识别车号、车型,远距离电子标签卡收费,计算机管理,图像比对及检测器校验的最新颖的自动收费方式,是公路交通管理 走向数字化、自动化的基础设施
二、现实意义
1树立全新的物业管理形
现代化的高科技产品的使用,一定会使企业的物业管理形象和知名度得到很大的提高。采用智能停车场管理系统,无论从产品的造型方面,还是自动管理所带来的先进性和科学性,都将会给物业管理树立起良好的形象,使企业成为科学管理的楷模
2严格的收费管
对于目前的人工现金收费方式,一方面劳动强度大,效率低,另外一个主要的弊端就是财务上存在很大的漏洞易造成现金流失。使用射频智能停车场管理系统之后,所有车辆的收费都是经过电脑确认和统计,杜绝了失误和作弊,保障了车场投资者的权益
3、加强了安全管
一卡一车,资料存档,保证停车场停放车辆的安全。人工发卡、收卡,难免有疏漏的时候,因为没有随时记录可查,丢车或谎报丢车的现象时有发生,给 车场带来诸多麻烦和经济损失。采用智能停车场管理系统之后,月租卡和储值卡消费者均在电脑中记录了相应的资料,卡丢失后可及时补办。时租卡丢失也可随时 检索,及时处理。在配有图象对比设备情况下,各类停车卡均有车牌号码存档,一卡专用,车牌不对电脑随时提示,并提出警告
4、防伪性能
为射频识别卡的保密性极高,它的加密功能一般电脑花上十年的时间也解不了,所以不容易伪造
5、耐用可靠,操作过程全自动
本系统采用的无源射频识别卡,免维护,使用寿命长,全密封,免接触,防尘防水,无需人为开启闸门,系统自动读卡、验卡,打开闸门,既节约人力又节省时间
三、技术简
微波射频识别(UHF RFID)技术是国际上最先进的第四代自动识别技术,是近几年刚刚开始兴起并得到迅速推广应用的一门新技术。它有识别距离远、识别准确率高、识别速度快、 抗干扰能力强、使用寿命长、可穿透非金属材料等特点,运用范围广。智能停车场管理系统通过远距离无源射频识别技术有效防止了为因素给停车场管理带来的破 坏和干扰,实现大厦、物业小区停车场的智能化科学管理,可控制费用流失,提高运营效率,确保车辆安全
车场管理的车辆用户分为两大类:(一)固定用户:是该停车场的常客,几乎每天都要进出被管理停车场多次;(二)临时用户:是指偶尔才出入被管理停车场一次的散客。 
针对固定用户,现有的停车场管理系统采用发月票卡的方法来减少他(她)们进出停车场时的登记检查手续。但目前月票卡大多采用近距离卡,每次进出停车场时驾驶人员还必须摇开玻璃窗,把月票卡伸到读卡设备前晃动几下,才能使挡杆抬起允许车辆进出
如果使用远距离月票卡,只要把月票卡贴在汽车挡风玻璃上,每次车辆到达停车场闸口时,远距离读卡设备即可判断并控制挡杆自动抬起,因此固定用户车辆可以不必停车。这极大地提高了车辆的通行效率,减少了污染;同时免除了刮风下雨等恶劣天气造成的种种不便
四、设备组
远距离读卡设备的组成包括
1电子标签(也就是通常所说的 电子标签上记载有所贴车辆在停车场管理处登记在册的合法编号,以及系统认为必须的某些车辆特征信息。目前,公司推向市场的是从美国引进的超高频电子标签, 该标签为无源免维护卡,读取距离可达7米以上,它采用塑料薄膜封装、自带粘贴胶层,可以直接贴在汽车挡风玻璃上使用。
2读写器:用来自动读取微波天线视场内电子标签上的数据,并进行电子标签合法性判断。公司自行二次开发研制的读写器是专门针对停车场管理系 统应用而推出的远距离读写器,它具有Wiegand26RS485RS232等数据输出接口,能够与市场上使用的符合上述接口标准的控制器直接相连, 而不需要改变现有的停车场管理系统的任何软件和硬件。读写器一般通过RS485口与停车场管理系统中的控制器相连,读写器每读到一张卡号时,自动把卡号发 送到控制器,控制器判断为有效卡号后,打开道闸放车通行
3读写器经过微波天线向外发射信号并接收电子标签返回信号
录:电子标签性能指标
1)工作频率: 902928 MHz
2)有效识读距离最大可达10米(注:距离因采用的天线和读写器的发射功率不同而变化);<BR>
3)无源卡设计,无需电池
4)内存容量:EEPROM内存1024bits,可进行读、写、擦除再写操作。以字(32bits为单位存储编址和存储锁定,其中96 Bit用作系统参数在出厂时已锁定,928 Bit为用户应用开发区。用户可对指定字区永久写保护,使应用系统安全可靠
5)内存可反复擦写100000次以上,有效使用寿命可达十年以上;
6读写速率: 论上,从单个标签上读取32bits时少于1.5 ms ,从单个标签上写入32bits时少于30 ms
7)防冲突:采用二进制树防冲突协议,允许工作区内有多个标签时的可靠读写
8标签采用薄膜塑料封装,具有一定的防拆功能
9)工作温度:-20 70 储存温度: -40 85 ;(10)体积:45mm*33mm*0.8mm
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RFID library management





RFID library management

People always want something in the required information, they can quickly find them. However, in all types of large libraries, government agencies and enterprises archives records management staff, we often see the information management staff in order to find a specific book or file of the anxious and busy.

A long time, the record book or file flow process, quickly find the information so that people spent the brain. Traditional practices are recorded in the data and to do this in a large number of written records, but this approach is inefficient and not easy to view, and there is a theft and loss of potential.

In an increasingly cost and efficiency of the pursuit of an era, it is constantly looking for better technologies and methods books File management. RFID technology, developed the RFID book file management system that can greatly improve management, enhance work efficiency, the liberation of books archives staff to enable them to engage in more valuable work.

CHAFON technology RFID books file management system, give every book file to install an electronic tag, electronic tag through the tiny chips and antennas, can easily track and Record Book file in the mobile process through which each of the locations. Book file to go through the various check points or when the office will be recorded, but also in the internal network from any computer above it is clear that users can easily know the location of library files and store the current location, to confirm the book files removed or deposited into the state. This tracking system is very convenient to use, and are vulnerable to both books and archives management system integrated with

System Structure
CHAFON technology RFID books file management system mainly includes five parts:
1. Data Center: data from a central server and the management terminal of the file management information on the book focus on storage and treatment.
2. House management system: from the management of terminals and terminal tag issuance and printing of the book files to complete the unification of information RFID tags create new files and books, etc.
3. Flow management system: In the book file and lending to help the administrator to write the relevant information within the tags to return books when the test file and verify RFID tags inside information
4. Inquiry System: Through the management of terminals and handsets easier to query every single book file
5. System Management: the system functions and permissions settings, account management, etc.

System function
1. Inbound file management books: New books file storage, according to the book file type, year and author information and other related files for new books to catalog and print data to generate RFID tags. And in accordance with print data, write and print RFID labels, RFID tags will print well paste it into the book file for readers to access data simultaneously print the success of data center will be transferred to the database, for system calls and other modules query
2. Circulation Management: Distribution Management is divided into loan management module, the return of the management module and theft Loss Prevention Module
3. Lending, the system will first verify the identity of people borrow to verify access to borrow after the adoption of management systems. Lending people access through the query management system file cataloging its books, the system under the Importation of cataloging its search to book the location of the file, at the same time print out a single loan. Administrators use the RFID reader to read out the loan to borrow books by people with RFID file written information, the information automatically into the system management interface. Administrator in writing within RFID tags were fixed to borrow books file information, including names of people to borrow, units, lending time period, such as loan information, it will borrow the book files to complete the loan people management
4. Book file the return, the administrator uses RFID reader to read out the book files, check the information people to borrow and to borrow time is extended, was to borrow books to confirm whether the data file with the RFID tags of the same information. This process if there is problem, the system will enter the appropriate processing module for processing, no problem according to RFID in the book file location information back to the corresponding location
5. Loss Prevention module with theft of books archives export security device, track files of books, not for lending End procedures or prohibit lending book file in the home, the security device will alarm to remind managers a timely manner to prevent
6. Data Center Management: including data management, collection and statistics, equipment and systems management
7. Data management mainly refers to the catalog file on its books, personnel information, year, and other basic information storage, revision and updating of management, as well as administrator of the library file for certification. Data Acquisition is the collection of books to borrow and return the relevant file information. Data are mean time (day, week, month, year), the book file information (department, personnel, etc.) for data statistical analysis

Equipment management refers to the handset, read and write information such as equipment authorization and configuration management and maintenance

System Features
1. Completely non-contact systems, the most economical solution: non-contact chip will be embedded into the low-cost medium, can be the greatest degree of solutions to meet the needs of the application of this advanced technology can dramatically reduce the equipment investment and maintenance costs as well as the hardware the cost of wear and tear
2. Quick scan, accessible reading: RFID tags are not required to scan a straight line at the reader, to read and write speed. At the same time, RFID is based on radio waves to transmit information, there will be no transmission barrier problem
3. Safety, flexibility: RFID tags can be divided into various independent internal application region, different applications of data storage. Each electron has a tag 32 of the world's only serial number, the serial number written in the production process, can not be changed
4. Easy to implement and easy to use: The system is very easy to install and debug, use and operation of the latter is also very convenient maintenance, search, identification book files fast, and anti-theft loss prevention, be able to provide reliable performance and a high degree of security

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图书档案管


们总是希望在需要一件资料的时候,可以迅速地找到它们。但在各类大型图书馆、政府机构档案馆和企事业单位人员档案管理处,我们经常会看到资料管理人员为了寻找某本特定书籍或档案而着急忙碌
长久以来,记录图书或档案流动过程,快速找到该资料,使人们费尽了脑筋。传统做法是在资料上和记录本中做大量的文字记录,但这种做法效率低,查看又不便捷,而且存在着被盗和丢失的隐患
在一个越来越追求成本与效率的时代,人们不断的寻找更好的技术和方法进行图书档案管理工作。创方科技运用RFID术,开发的图书档案管理系统,可以大大改进管理方式、提高工作效率,解放图书档案工作人员,让他们从事更有价值的工作
创方科技RFID图书档案管理系统,给每一件图书档案安装一个电子标签,通过电子标签的微小芯片和天线,可以方便地跟踪和记录图书档案在流动过 程中所经过的每一个地点。图书档案经过不同的办公室或者检查点时,都会得到记录,而且在任何一台内部网络电脑上面可以清楚看到,用户可以很方便的知道图书 档案目前的位置和存放的地点,确认图书档案的取出或者存入状态。这个跟踪系统使用十分方便,而且很容易与既有的图书档案管理系统整合在一起
统结
创方科技RFID图书档案管理系统主要包括五个部分
1.数据中心:由中心数据服务器和管理终端组成,对图书档案管理信息集中进行储存和处理
2.内务管理系统:由管理终端和标签发行和打印终端组成,可以完成图书档案信息RFID标签的统一制作和图书档案新建等工作
3.流通管理系统:在图书档案借出时帮助管理员在标签内写入相关信息,归还时检验图书档案并验证RFID标签内信息
4查询系统:通过管理终端和手持机方便地查询每一件图书档案的位置
5.系统管理:对系统功能及权限设置,帐号管理等

统功能
1图书档案管理入库:新图书档案入库时,根据图书档案的类别、年份和作者等相关信息对新建图书档案进行编目,并生成RFID标签打印数据。然 后根据打印数据,写入并打印RFID标签,将打印好的RFID标签贴到图书档案上,以便读者查阅,同时打印成功的数据会被传送到数据中心的数据库里,以备 统其他模块调用和查询
2.流通管理:流通管理分为借阅管理模块、归还管理模块和防窃防损模块
3.借阅时,系统首先会验证借阅人身份,验证通过后进入借阅管理系统。借阅人通过查询管理系统查阅图书档案的编目号,系统根据输入的编目号查找 图书档案所在的位置,同时打印出借阅单。管理员使用RFID读写器读出借阅人所借阅图书档案RFID内写的信息,信息自动进入系统管理界面。管理员在 RFID标签内写入被借阅图书档案的固定信息,包括借阅人的姓名、单位、借出时间、借阅期限等信息后,将图书档案给借阅人完成借阅管理
4图书档案归还时,管理员使用RFID读写器读出图书档案,检查借阅人信息、借阅时间是否超期,确认被借阅图书档案数据是否与RFID标签中的信息相同。这个过程中如有问题,系统会进入相应的处理模块进行处理,没问题则根据RFID中的图书档案位置信息送回相应的位置
5.防窃防损模块配合图书档案馆的出口安检装置,对图书档案进行跟踪,未办理完借出手续或禁止借出的图书档案在出门时,安检装置会报警,提醒管理人员及时阻止
6.数据中心管理:包括数据的管理、采集和统计,设备和系统的管
7.数据的管理主要是指对图书档案的编目号、人员信息、年份等基本信息的存储、修改和更新管理,以及对图书档案的管理员进行认证。数据采集是指采集借阅和归还图书档案的相关信息。数据统计是指按时间(日、周、月、年)、图书档案信息(部门、人员等)进行数据统计分析
设备的管理是指对手持机、读写器等设备的信息授权与配置管理与维护
统的管理是指系统操作员授权及维护,操作人员授权控制
图书档案查询:按不同方式查阅图书档案的编目号;按不同的规则查询图书档案所在位置,查阅图书档案的简介等
统特
1、完全非接触系统,最经济的解决方案:将非接触芯片嵌入到低成本的介质中,可以最大程度的满足解决方案的需要,应用这一先进技术可以大幅度减少设备的投资和维护费用以及硬件磨损的成本
2、快速扫描,无障碍阅读:RFID标签扫描时无须直线对准读取器,读写速度快。同时,RFID是以无线电波来传递信息,不会传输屏障的问题
3、安全性高,灵活性强:RFID标签内部可以分为各个独立的应用区域,存放不同的应用数据。每一张电子标签都有一个32位的全球唯一的序列号,该序号在生产过程中写入,无法更改
4实施简单,使用方便:系统安装和调试非常简单,后期的使用和运营维护也十分便捷,查找、识别图书档案速度很快,而且防盗防损,能够提供可靠的性能和高度的安全性