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    https://en.wikipedia.org › wiki › Radio-frequency_identification

    Radio-frequency identification - Wikipedia

    • In 2014, the world RFID market was worth US$8.89 billion, up from US$7.77 billion in 2013 and US$6.96 billion in 2012. This figure includes tags, readers, and software/services for RFID cards, labels, fobs, and all other form factors. ... Similar technology, such as the Identification friend or foe transponder, ... Logo of the anti-RFID ...… 展开

    Overview

    Radio-frequency identification (RFID) uses electromagnetic fields to automatically identify and track tags attached to objects. An RFID system consists of a tiny radio transponder called a tag, a radio receiver, and a … 展开

    History

    In 1945, Leon Theremin invented the "Thing", a listening device for the Soviet Union which retransmitted incident radio waves with the added audio information. Sound waves vibrated a diaphragm which slightly altered the shape of the … 展开

    Design

    A radio-frequency identification system uses tags, or labels attached to the objects to be identified. Two-way radio transmitter-receivers called interrogators or readers send a signal to the tag and read its response. … 展开

    Uses

    An RFID tag can be affixed to an object and used to track tools, equipment, inventory, assets, people, or other objects.
    RFID offers advantages over manual systems or use of barcodes. The tag can be read if passed n… 展开

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