PSC LazerData Series 9000E Especificações descarregar pdf (Página 101)

APPENDIX

APPENDIX-3

Photodetector - A semiconductor device who's output

changes in proportion to the amount of light striking its

sensing surface.

Quiet Zone - A clear space, containing no dark marks,

which precedes the start character of a bar code and follows

the stop character.

Resolution - The dimension of the smallest code element

which can be identified by an optical scanner. Normally

measured in thousandths of an inch.

Skew - Misalignment of the code symbol around the z-axis.

Specular Reflection - The mirror like reflection of light from

a surface.

Start/Stop Pattern - Patterns added to the bar code symbol

to indicate the direction that the symbol is being scanned.

UPC - Universal Product Code, the standard bar code

symbol for retail products in the United States.

1 2 ... 96 97 98 99 100 101 102 103 104

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PSC LazerData Series 9000E Especificações Página 101