Motorola MC21XX SERIES Spécifications télécharger pdf (Page 74)

A - 4 MC21XX Series Integrator Guide

1D Linear Decode Zones

Figure A-1 shows the decode zone for the 1D linear scan engine. The figures are typical values. Table A-2 lists

the typical distances for selected bar code densities. The minimum element width (or “symbol density”) is the

width in mils of the narrowest element (bar or space) in the symbol.

Figure A-1

ID Linear Decode Zone

In.

12.7

25.4

31.6

38.1

Note: Typical performance at 73.4 F (23 C)

on high quality symbols.

*Minimum distance determined by symbol length and scan angle

Depth of Field

12.7

25.4

38.1

50.8

63.5

ESC

5 mil

9.75

7.5 mil

100% UPC

12.75

15.75

24.00

2.00

20 mil

2.25

1.50

5 mil

8.252.75

Code 128

Code 39

1 2 ... 69 70 71 72 73 74 75 76 77 78 79 ... 101 102

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Motorola MC21XX SERIES Spécifications Page 74