in RFID Journal, RFID News on Apr 16, 2019. 0 Comments
RFID tags, also known as radio frequency tags, realize spatial (contactless) coupling of radio frequency signals through coupling elements between electronic tags and readers, and realize energy transmission and data exchange according to the timing relationship in the coupling channels. So how does the RFID tag input data?
RFID tags can effectively read and write data of RFID tags through programmers. Reader/reader (reader that can read/write) can also effectively read and write data from RFID tags.
RFID reader is also mobile and fixed. At present, RFID technology has been widely used, such as library, access control system, food safety traceability and so on.
Radio Frequency Identification (RFID) technology, also known as radio frequency identification, is a communication technology. It can identify specific targets and read and write related data through radio signals, without the need for mechanical or optical contact between the identification system and specific targets.
Radio frequency tag is the physical carrier of product electronic code (EPC). It is attached to the tracking project and can be circulated and read and written worldwide.
Conceptually, RFID is similar to barcode scanning. For barcode technology, RFID is used to attach coded barcodes to the target and transmit barcode magnetic information to the scanner using a dedicated scanner reader. RFID uses a dedicated RFID reader and a dedicated RFID tag that can be attached to the target, and sends information to the RFID reader through frequency signals through the RFID tag. Writer.
In the field of technology, transponders originally refer to electronic modules capable of transmitting information and reply information. In recent years, with the rapid development of radio frequency technology, transponder has a new meaning. Also known as smart tags or tags. RFID tag reader communicates with RFID tag through antenna. RFID technology can recognize high-speed moving objects, and identify multiple tags at the same time. It is fast and convenient to operate.
RFID is a flexible application technology which is easy to operate, simple, practical and especially suitable for automation control. It can work freely in all kinds of harsh environments: short-distance radio frequency products are not afraid of oil stains, dust pollution and other harsh environments, can replace barcode, such as tracking objects on the factory pipeline; long-distance radio frequency products are mostly used in traffic, and the recognition distance can reach tens of meters, such as automatic charging or vehicle identification.
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