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Introduction
1D/2D Barcode
Barcoding is a mature technology that has been around since the 1960s. Almost all elds of business today use barcoding to identify and track commodities,
allowing for a more automated business process that reduces human error and increases productivity. It is widely accepted because of the low cost of barcode
labels and internationally established standards such as UPC (Universal Product Code) for grocery items, ISBN for books, and ISSN for periodicals that facilitate
unique product identication. Barcodes, therefore, have become unique and universal and can be recognized anywhere in the world.
Barcodes are read by barcode scanners using optical laser or imaging software technology. Linear or 1D barcodes are a series of parallel vertical lines, while
2D matrix codes come in patterns of dots, squares, and other geometric patterns. 2D barcodes typically stores more data than 1D barcodes. Since information
on barcodes cannot be updated and require a direct line-of-sight between the code and the reader in order to be read individually, its use has been replaced
by RFID in industries where products are
relatively complex and expensive such as
the IT and the freight industry. However,
barcoding can still nd its place in retail point
of sale environments, payment transactions,
ownership transitions, or in applications which
require decisions in material ow.
RFID – Radio Frequency Identification
RFID (Radio Frequency Identication) is an automatic identication technology that uses radio waves to access digital data
encoded in an RFID tag. Information is sent to and read from RFID tags by a reader using an attached antenna. An RFID
reader is basically a radio frequency transmitter and receiver, controlled by a microprocessor or digital signal processor.
Therefore, data can be captured simultaneously from many tags within range of the antenna regardless of their position and
placement. With a single tag on each product item or pallet, every object can be automatically identied and tracked from
factory to shelf without breaking any security sealing or tearing any packaging. RFID is ideal for work-in-process tracking,
closed-loop asset management, and security and access control systems.
RFID tags are comprised of an integrated circuit (IC) with an attached antenna. Their sizes and forms are determined by
the application requirements. Some of them can be as small as a grain of rice, making them ideal for theft prevention.
Information is stored in the IC and transmitted through the antenna to a reader. Tags can be read-only or allow for both read
and write function. In situations where a tagged item needs to be monitored, tracked and reviewed at every phase, a writable
RFID tag allows for real-time information updates as it moves through the supply chain.
IEIMobile for Automatic Identification and Data Capture
(AIDC)
Equipped with leading barcode and RFID reading technologies, IEIMobile’s extensive product portfolio offers solutions across a broad range of application areas.
Barcode Reading: The successful adoption of technology involves more than choosing the right t. IEIMobile has rich experiences in resolving related
design and system integration issues such as:
● Power Management
● Housing and Optical Design
● Wavefront Distortion
● Exit Window Materials
● Laser and Collection Clear Aperture
● Abrasion Resistance and Anti-Reection (AR) Coatings
● Exit Windows Distance, Angle, and Decode Zone
● Pitch, Skew, Roll, Bi-Directional, and Omni-Directional
● Aggressive Decoding Algorithms
In addition, IEIMobile's bundled Software Development Kit (SDK) provides a user manual, demo source codes, and an easy-to use API to control barcode reader
performance in areas such as:
● Data Baud Rate
● Transmission Speed
● Trigger Mode
● Data Options, Prex and Sufx Values
● Beeper Settings
● Laser Beam Options
● LED On/Off
● Power Mode Settings
● Enable or Disable Symbology Decode Support
Damaged Non linear
distortion
Overburn Low
contrast
IEIMobile adopts the leading barcode brand
The leading barcode engine provides the best decoding technology.