REA ScanCheck 3n Operating Manual page 80

Streamlining • Development • Automation
Electronic Devices and Systems
Erstleserate
Messfeld
Globale Schwelle
Hellzone / Ruhezone
Zoll
Kontrast
LAN
Laserscanner
L-Muster
Lücke
Matrixcode
Matrixelement
Mil
Modul
Modulo
Nutzdaten
Opazität
Pixel
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FRR First Read Rate
Region of Inspection (ROI)
Global Threshold ( GT)
Quiet zone, light margin
Inch
contrast
LAN local area network
Laser scanner
L-Pattern
Space
Matrix code
Mil
Module
Modulo
User data
Opacity
Pixel
REA ScanCheck 3 - August 2010
www.rea-verifier.de
REA
Number of correct reads upon the
first read attempt, divided by the total
number of read attempts. Should be
>90% with good print quality.
The marked field that is used for code
verification.
The threshold of reflection that with
binarisation to bright/dark leads to
decision
Bright zone before the start character
and behind the stop character of a
linear code.
Circumferential zone in matrix codes.
To differentiate the code, a minimum
size is required
Unit of length.
1 Inch = 25.4 mm
Gray value difference of a surface
that is based on the sensitivity of a
photoelectric converter.
Local network connection between
computers with unique addresses
Device for reading bar codes in which
a laser beam serves as light source.
Fixed search pattern for DataMatrix
codes
The bright element between 2 bars of
a bar code
2D code for encoding large data
volumes or for encoding small data
volumes on the smallest area
Black or white cell of a matrix code
A dimension specification in 1/1000
inch
(milliinch) 1 mil = 0.001 inch
= 0.0254 mm
Narrowest element in a bar code or
stack code.
Described as X-module
Algorithm used for calculation
of a verification character
Encoded user data
In code processing, it describes the
opaqueness of the data carrier
material.
Smallest image element that in
combination with others forms a
complete graphic. Smallest
image element of a CMOS camera as
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