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Chapter 14: Scanners

Symbologies

Psion Teklogix Mobile Devices SDK Developers Guide 87

Querying the scanner type for an external scanner through the Mobile Devices SDK returns one of

the following strings:

14.1.3 Symbologies

In bar codes, numbers, letters, and computer-recognized characters are represented in a combina-

tion of bars and spaces. The rules for encoding the characters in alternating bars and spaces of

varying widths are called a symbology. There are many standard symbologies. Each is preferred

for certain types of applications.

The following symbologies are decoded on Psion Teklogix Windows-based computers:

Scanner Type String Returned By API

No external scanner No external scanner

Non-decoded scanner Non-decoded scanner

Decoded scanner Serial scanner

Non-decoded

Imager

(Deprecated)

Decoded Scanner

Symbology

Symbol 1223

Symbol 923

Symbol 1224

Symbol 1524

Symbol 2223

Code 39 Yes Yes Ye s Yes Yes Yes

Code 128 Yes Yes Yes Ye s Yes Yes

UPC/EAN Yes Yes No No No Yes

EAN 13 Yes Yes Yes Ye s Yes Yes

EAN 8 Yes Yes Yes Ye s Yes Yes

UPC A Yes Yes Yes Ye s Yes Yes

UPC E Ye s Yes Yes Yes Yes Yes

Codabar Yes Ye s Yes Ye s Yes Yes

Code 93 Yes Yes Ye s Yes Yes Yes

Code 11 Yes No No No No No

Interleaved 2 of 5 Yes Yes Yes Yes Ye s Yes

MSI Plessey Yes No Yes Yes Yes Ye s

Discrete 2 of 5 Yes No Ye s Yes Yes Yes

IATA 2 of 5 Yes No Yes No No Yes

Australia Post

Address Code

No Ye s No No No No

Japanese Postal

Code

No Ye s No No No No

Korean Postal

Code

No Ye s No No No No