Chapter 3 Bar Codes

Code 93

The Code 93 structure is shown in Figure 10 and described on the following pages.

SR, SC

POSITION

OPTIONAL

CHECK

CCW DIGIT

UPPER

GUARD

BAND

QUIET

ZONE

STOP

CODE

DATA

FIELD

START CODE

QUIET ZONE

SR, SC

 

 

 

QUIET

 

 

 

 

ZONE

 

POSITION

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

START

CODE

OPTIONAL

DATA

FIELD

READABLE

DATA

FIELD

LOWER

LOWER

STOP

CODE

GUARD

GUARD

 

BAND

BAND

 

 

 

QUIET

 

 

ZONE

CW

OPTIONAL

CHECK

DIGIT

UPPER

GUARD

BAND

HEIGHT

HEIGHT

 

 

 

 

OPTIONAL

 

 

 

 

 

CHECK DIGIT

 

SR, SC

 

 

 

 

 

POSITION

 

 

 

 

 

 

 

 

UPPER GUARD BAND

 

Normal

QUIET

START

DATA FIELD

STOP

QUIET

ZONE

CODE

 

CODE

ZONE

LOWER GUARD BAND

OPTIONAL READABLE DATA FIELD

 

SR, SC

 

 

 

 

 

POSITION

 

 

 

 

 

 

 

OPTIONAL READABLE DATA FIELD

 

 

 

 

 

LOWER GUARD BAND

 

 

INV

QUIET

STOP

DATA FIELD

START

QUIET

ZONE

CODE

CODE

ZONE

 

UPPER GUARD BAND

OPTIONAL

CHECK DIGIT

HEIGHT

HEIGHT

Figure 10. Code 93 Structure

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