Symbol LS 3408, Руководство по продукции

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LS 3408 Product Reference Guide GL-2
ASCII American Standard Code for Information Interchange.
A 7-bit-plus-parity code representing 128 letters, numerals,
punctuation marks, and control characters. It is a standard
data transmission code in the U.S.
Aspect Ratio The ratio of symbol height to symbol length in a 2-
dimensional symbol.
Autodiscrimination The ability of an interface controller to determine the code
type of a scanned bar code. After this determination is
made, the information content is decoded.
Automatic Identification System The application of various technologies, such as bar code
recognition, image recognition, voice recognition and RF/
MW transponders, for the purpose of data entry into a data
processing system and bypassing the key-entry component
of traditional data entry.
Background The area surrounding a printed symbol including the spaces
and quiet zones.
Bar The dark element in a printed bar code symbol.
Bar Code An array of parallel rectangular bars and spaces arranged
according to the encodation rules of a particular symbol
specification in order to represent data in machine-
readable form (i.e., Code 39).
Bar Code Character A single group of bars and spaces which represent an
individual number, letter, punctuation mark or other symbol.
Bar Code Density The number of characters represented per unit of
measurement (e.g., characters per inch).
Bar Code Reader A device used to read or decode a bar code symbol.
Bar Code Symbol The combination of symbol characters and features
required by a particular symbology, including quiet zones,
start and stop characters, data characters, check characters
and other auxiliary patterns, that together form a complete
scannable entity (see
Symbol ).
Bar Height The dimension of a bar measured perpendicular to the bar
width (see
Y Dimension ).
Bar Width Thickness of a bar measured from the edge closest to the
symbol start character to the trailing edge of the same bar
(see
X Dimension ).