Wasp Bar Code WPS100 IEC 825 Class, Intercharacter Gap, Interleaved Bar, Interleaved 2, Misread

Models: WPS100

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Wasp WPS100 Product Reference Guide

IEC (825) Class 1

This is the lowest power IEC laser classification. Conformity is

 

ensured through a software restriction of 120 seconds of laser

 

operation within any 1000 second window and an automatic laser

 

shutdown if the scanner's oscillating mirror fails.

Intercharacter Gap

The space between two adjacent bar code characters in a discrete

 

code.

Interleaved Bar

A bar code in which characters are paired together, using bars to

Code

represent the first character and the intervening spaces to represent

 

the second.

Interleaved 2 of 5

A binary bar code symbology representing character pairs in groups

 

of five bars and five interleaved spaces. Interleaving provides for

 

greater information density. The location of wide elements (bar/

 

spaces) within each group determines which characters are encoded.

 

This continuous code type uses no intercharacter spaces. Only

 

numeric (0 to 9) and START/STOP characters may be encoded.

LASER - Light

The laser is an intense light source. Light from a laser is all the same

Amplification by

frequency, unlike the output of an incandescent bulb. Laser light is

Stimulated

typically coherent and has a high energy density.

Emission of

 

Radiation

 

Laser Diode

A gallium-arsenide semiconductor type of laser connected to a power

 

source to generate a laser beam. This laser type is a compact source

 

of coherent light.

LED Indicator

A semiconductor diode (LED - Light Emitting Diode) used as an

 

indicator, often in digital displays. The semiconductor uses applied

 

voltage to produce light of a certain frequency determined by the

 

semiconductor's particular chemical composition.

MIL

1 mil = 1 thousandth of an inch.

Misread

A condition which occurs when the data output of a reader or interface

(Misdecode)

controller does not agree with the data encoded within a bar code

 

symbol.

Nominal

The exact (or ideal) intended value for a specified parameter.

 

Tolerances are specified as positive and negative deviations from this

 

value.

Nominal Size

Standard size for a bar code symbol. Most UPC/EAN codes are used

 

over a range of magnifications (e.g., from 0.80 to 2.00 of nominal).

Parameter

A variable that can have different values assigned to it.

Glossary-4

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Wasp Bar Code WPS100 IEC 825 Class, Intercharacter Gap, Interleaved Bar, Interleaved 2, Laser Light, Amplification by