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| * [[rfid|RFID]]: Short for Radio-Frequency Identification, this is a technology whereby IDs are recognized using [[rf|RF(Radio Frequency)]]. This technology allows you to store information in an RFID tag composed of an antenna and a chip and identify information by reading it with an RFID reader. | * [[rfid|RFID]]: Short for Radio-Frequency Identification, this is a technology whereby IDs are recognized using [[rf|RF(Radio Frequency)]]. This technology allows you to store information in an RFID tag composed of an antenna and a chip and identify information by reading it with an RFID reader. | ||
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| + | * [[rfid_tag|RFID Tag]]: An electronic tag attached to an object such as a card in order to store the unique identification information of a person or object. An RFID reader wirelessly recognizes the information stored in an RFID tag using radio waves. An RFID tag generally consists of a small processor, a memory, a small antenna, a battery, and so on. RFID tags are divided into various types depending on their capability to read/write, the presence of a built-in battery, and the [[rf|RF(Radio Frequency)]] band, etc. | ||
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| * [[ridge|Ridge]]: A ridge is a curve that represents a fingerprint, consisting of a continuous curve, an end point where the ridge is cut midway through, and a [[bifurcation|bifurcation]] where two ridges meet, which are called [[minutiae|minutiae]]. | * [[ridge|Ridge]]: A ridge is a curve that represents a fingerprint, consisting of a continuous curve, an end point where the ridge is cut midway through, and a [[bifurcation|bifurcation]] where two ridges meet, which are called [[minutiae|minutiae]]. | ||