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2. Radio-frequency identification - Wikipedia

   en.wikipedia.org/wiki/Radio-frequency_identification

   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 transmitter.

3. Chipless RFID - Wikipedia

   en.wikipedia.org/wiki/Chipless_RFID

   However, chipless RFID tags are fundamentally different from RFID tags. In the latter, a specific frame is sent by the reader [4] toward the tag according to a classic binary modulation schema. The tag demodulates this signal, processes the request, possibly writes data in its memory, and sends back a response, modulating its load. [5]

4. Automatic equipment identification - Wikipedia

   en.wikipedia.org/wiki/Automatic_equipment...

   RFID antenna used by trackside AEI readers. As of 31 December 1994, Amtech had shipped over 3.1 million tags to railways in North America. The AAR reported that over 95% of the North American rail car fleet was tagged. Over 3,000 readers have been installed by the railways in North America as of the end of 2000. Amtech was bought by TransCore.

5. Clipped tag - Wikipedia

   en.wikipedia.org/wiki/Clipped_tag

   The clipped tag is a radio frequency identification (RFID) tag designed to enhance consumer privacy.RFID is an identification technology in which information stored in semiconductor chips contained in RFID tags is communicated by means of radio waves to RFID readers.

6. Smart label - Wikipedia

   en.wikipedia.org/wiki/Smart_label

   A smart label, also called a smart tag, is an extremely flat configured transponder under a conventional print-coded label, which includes chip, antenna and bonding wires as a so-called inlay. [ 1 ] [ 2 ] [ 3 ] The labels, made of paper, fabric or plastics, are prepared as a paper roll with the inlays laminated between the rolled carrier and ...

7. Electronic Product Code - Wikipedia

   en.wikipedia.org/wiki/Electronic_Product_Code

   Some RFID tags offer additional read/write user memory that could be used for storage of additional information, such as an expiry date or date of manufacture. Plain text and barcoding are still useful in addition to the EPC tag, as liability obligations for the producer require durable and sufficiently fail-safe labels.