Rfid

AGENDA 1. Introduction to RFID 2. Comparison of RFID to other methods of recognition 3. Example of theatrical role: RFID at the METRO group 1. Introduction to RFID An RFID system consists of a transponder, which is located on or within the subject matter or nourishment organisms and contains an identifying code and a code indorser for reading this. RFID transponders dirty dog be as small as a shred of rice, and are implanted, as in humans or national animals Sizes, types Transponders consist of: Microchip antenna Support or living accommodations Energy source (if active) The coupling is done by the reader alternating magnetic fields generated by short-range or high-frequency radio waves. The tags don´t get hold of a battery. that if long distances sustain to be achieved for a example in the container industry, the tags aim a battery. Thereby is a difference amid passive and active tags: passive tags don´t use a battery Instead radio energy transmit by the reader as its energy source. But if you need to read information over a fairly blown-up wide for example in the container industry or a ship harbor or a port you need a battery to send the signal The reader has a software (a micro-program) that controls the actual reading process, and an RFID middleware interfaces to other computer systems and databases.

frequency ranges For use have been proposed various ISM frequency bands, and released virtually of Europe or internationally: * Low frequencies (LF, 30-500 kHz) * Hohe Frequenzen (HF, 330 MHz) * Very high frequency (UHF, 433 MHz (U.S. DoD), 850-950 MHz * Microwave frequencies (SHF, 2.4-2.5 gigacycle, 5.8 GHz and above). Encoding The older types of RFID transponders transmit their information, as provided in ISO / IEC 18000. Newer models also have the ability to encrypt their data transferred to or part of the data store is not open to every access. In incident RFID transponders, which are used for example to control access to extraneous media, mobile security, the... If you want to get a full essay, prescribe it on our website: Orderessay

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