Auto Identification Systems - An Overview
Auto-Identification and Data Capture (AIDC)
refers to methods in which equipment, both hardware and software,
automatically reads and recognizes data via bar codes, 2-dimensional
codes, RFID, fingerprints, voice prints, retinal prints, etc.,
without the aid of a person.
Basically, any system that reads and recognizes "data originating
from people or objects" is called an ID system.
Bar
Code/2-Dimensional Code Applications
Bar codes are attached to the
packaging of many foods and daily commodities and widely used in
retail sales, distribution, and the logistics industry to allow
various forms of automation. As IT continues to advance,
2-dimensional codes are also finding increasing application in
response to the needs for larger data volumes and space-saving.
Learn more
about 2D Code Applications >>
RFID
Applications
RFID is an acronym for Radio Frequency Identification. An RFID
System is a wireless ID system that exchanges data by communicating
between a "tag" (or Data Carrier), which is attached to an object or
carried by a person, and an antenna (or Reader Writer).
Typical examples include non-contact
commuter passes for train station gates, and non-contact ski lift
passes. In these examples, the commuter pass and ski lift pass serve
as tags, and the station and ski lift gates serve as antennas.
Another example which is less obvious
is an automatic calculation system in a cafeteria. In this system, a
tag is attached to each of the plates and cups, and an antenna is
built into the calculation table where the diner places the tray.
Such a system makes it possible to automatically display the price
of the meal and other information, such as the total calories for
the meal.
Learn
more about RFID Systems >>
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