Application of UHF RFID Technology in Library

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Every innovation in library service and management model is based on the application of a new technology. With the progress of the times and the development of technology, the development course of the library circulation management model is shown in Figure 1. The application of computer and network technology liberated the library management personnel from the pure manual management mode and gradually transitioned to computer management. The adoption of magnetic stripe and bar code technology will increase the library from a closed-end management mode to an open management mode, so that readers can swim freely in the book world and pick and choose their favorite books. The pace of innovation will never stop. Librarians are also paying close attention to the development of new technologies and capturing new technologies for libraries. The continuous development, maturity, and industrialization of RFID technology have also received keen attention from the people in the library community and have gradually begun to promote and apply this technology in the field of libraries.

Figure 1 Development history of library circulation management model

Application of UHF RFID Technology in Libraries

In foreign countries, UHF RFID technology has been applied to the field of libraries in countries such as Australia, Singapore and the Netherlands; there are also many libraries in the country that have applied UHF RFID technology, such as Shantou University Library, Beijing Petrochemical College Library, Hubei Yichang Library, etc. There are still some libraries currently planning to implement UHF RFID library management systems.

Key to UHF RFID Technology in Library Applications

UHF RFID technology is applied in libraries. The key technologies that need to be solved include UHF RFID tags , special readers, dedicated antennas, software interfaces, system integration, application software, and application innovation.

(1) UHF RFID tags

1 Book UHF RFID tag (as shown in Figure 2). The book UHF RFID tag is the most basic technology for realizing book information collection, and its performance will directly affect the application effect. The technical performance of UHF RFID tags in books is mainly reflected in reading and writing multiple tags, adapting to different antenna reading and writing capabilities, installation methods, and resistance to damage.

Figure 2 UHF RFID tags for books

There are tens of thousands of books in the library, and as many as hundreds of thousands or even millions of books. The application of UHF RFID tags in libraries is a large-scale "massive" application. Operation requires RFID tags to have good multi-tag read/write performance.

The library management system is an interconnected system. The equipment used is various. There are UHF RFID tag conversion, self-service borrowing, inventory, security access control, and automatic sorting. Each device reads and writes RFID tags. The requirements are not the same, which requires the UHF RFID tags of the books to be suitable for the reading and writing requirements of all devices. Otherwise, the collection of books and information will cause problems at certain stages and affect the application results.

The application of UHF RFID tags for books is also worthy of attention. Reasonable methods of adhering can shorten the time for UHF RFID tags to be sold, and quickly deploy UHF RFID applications. The UHF RFID tag's ability to resist damage is related to the tag itself and closely related to the way it is applied. The UHF RFID tag of the book is attached to the cover page of the book (inside the back cover) and to the spine of the inner page. The effect of anti-corruption is very different.

2 CD-ROM UHF RFID tags (as shown in Figure 3). Optical UHF RFID tags are special labels for audio-visual disc data. Their main technical characteristics are reflected in the recognition distance, multi-tag read performance, etc. At the same time, the installation of the UHF RFID tags on discs cannot affect the normal reading of the disc itself. take.

Figure 3 Optical UHF RFID Tags

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