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Barcode Warehouse - Barcode glossary
Category: Electronics and Engineering > Barcode
Date & country: 24/11/2007, UK
Words: 237


Space
The lighter element of a bar code usually formed by the background between the bars

Space Width
The thickness of a space measured from the edge closest to the symbol’s start character to the trailing edge of the same space

Spectral Response
The variation in sensitivity of a reading device to the light of difference wavelengths

Specular Reflection
The mirror-like reflection of light from a surface

Speed - Throughput
used interchangeably to refer to a rate of motion or printer performance calculated in ips or inches per second. The higher the ips the greater the printers performance rating

Spot
The undesirable presence of ink or dirt in a space

SRAM
or Static Random Access Memory - is a type of memory chip used in Random Access Memory that can take advantage of a particular method of working with certain main processors. In brief, a certain spot in RAM is first accessed. Then each address after that first address is accessed in order, up to a specific point. Because the computer doesn’t have…

Start Character
A unique character to the left of the bar code which allows for bidirectionality. (In a vertical bar code, the start character is at the top)

Stop Character
A unique character to the right of the bar code which allows for bidirectionality. (In a vertical label, the stop character is at the bottom)

Storage Temperature
denotes the prescribe temperature range for the safe storage of a thermal printer

Substitution Error
A misencodation, misread or human key entry error where incorrect information is substituted for a character that was to be entered

Substrate
The surface on which a bar code symbol is printed. Also, interchangeably , referred to as media

Symbology
The language used in bar code technology (e.g. UPC, Code 39, etc)

Synthetic Substrate
Man-made materials which have been created for specific applications

Tag Stock
Substrate which contains only the facestock and has a hole from which to be hung

Tamperproof Label
A pressure-sensitive material that cannot be removed intact, thus making reuse of the label impossible

Telepen
A continuous bar code which encodes the full ASCII character set

Thermal Transfer
A process in which a set of pins on a printhead are selectively heated onto a ribbon and the ink from the ribbon is burned (transferred) onto the label stock. Thermal transfer leaves a permanent image on the label

Thermal Transfer Print
Thermal transfer printers use the same basic technology as direct thermal printers, but with the elimination of chemically-coated media in favor of a non-sensitized face stock and a special inked ribbon. A durable polyester ribbon film coated with a dry thermal transfer ink is placed between the thermal printhead and label. The thermal printhead is…

Throughput
refers to the average length of label stock that a printer can process and print in a given amount of time. Throughput differs from print speed in that throughput includes the label transmission, formatting and printing times. Due to these factors, a 12 ips machine may have lower throughput than a 10 ips printer

Transparent
A pressure sensitive label whose face material, adhesive and protective coatings transmit light so that objects can be seen through it

Transparent Label
A pressure sensitive label whose face material, adhesive and protective coatings transmit light so that objects can be seen through it

Two-Dimensional
Two Dimensional Bar codes are special rectangular codes which ‘stack’ information in a manner allowing for more information storage in a smaller amount of space. These are also referred to as ‘Stacked’ Bar Codes or ‘Matrix’ Bar Codes. A standard bar code is limited to 20 to 25 characters

Two-Dimensional Bar code
Two Dimensional Bar codes are special rectangular codes which ‘stack’ information in a manner allowing for more information storage in a smaller amount of space. These are also referred to as ‘Stacked’ Bar Codes or ‘Matrix’ Bar Codes. A standard bar code is limited to 20 to 25 characters

U.C.C
Uniform Code Council - formerly the Uniform Product Code Council. The organization that administers the UPC and other retail standards

UPC Code
or Universal Product Code is the standard bar code symbol for retail food packages in the United States. This code was modified and adapted by Europe for international identification of food packages in the form of EAN

UPC-A
is the most common bar code used in retail today. It is a numeric, fixed ratio bar code with 12 characters

UPC-E
A UPC symbol encoding six digits of data in an arrangement that occupies less area than a UPC-A symbol. Also called “zero suppressed� symbol because a 10-digit UPC-A code can be compressed to a six digit UPC-E format by suppressing redundant zeros

USB
USB (Universal Serial Bus) is a 'plug-and-play' interface between a computer and add-on devices (such as scanners and printers). With USB, a new device can be added to your computer without having to add an adapter card or even having to turn the computer off

Variable Length Code
A code whose number of encoded characters can be within a range, as opposed to a code with a fixed number of encoded characters

Verifier
A device that makes measurements of the bars, spaces, quiet zones and optical characteristics of a symbol to determine if the symbol meets the requirements of a specification or standard

Wand
A handheld scanning device used as a contact bar code or OCR reader

Wand - Wand Scanner
A handheld scanning device used as a contact bar code or OCR reader

Wand Scanner
A handheld scanning device used as a contact bar code or OCR reader

Wedge
A hardware device or software program (Software Wedge) which uses a scanner for input and sends data directly into an application by emulating a keyboard stroke. A wedge (hardware wedge) is an external device and plugs between the keyboard and terminal

ZPL
Zebra Programming Language - is the universal language / code of all Zebra bar code printers. ZPL is an ASCII based format that enables label generation to occur by way of an instructional blueprint defining label length, field origin, field data and other related information. ZPL enables labels with any combination of text, barcode or graphics to …

ZPL II
Zebra Programming Language - is the universal language / code of all Zebra bar code printers. ZPL is an ASCII based format that enables label generation to occur by way of an instructional blueprint defining label length, field origin, field data and other related information. ZPL enables labels with any combination of text, barcode or graphics to …