Specifications

Automatic Linking of Combined Symbols

The CMOS Imager supports automatic linkage of multiple symbologies.

When scanning symbols with the following combined symbols (see Table 2.61), the scanned data

is stored in the internal buffer and all of the data from combined symbols or all scanned symbols

is combined and output.

Combined symbols can only be scanned when the decoding mode is set to “Ordinary Read” mode.

Note that other modes including “Multi-step Read” and “Package Read” may cause incorrect

result of scanning combined symbols.

Table 2.33

Symbology Applicable Symbols Combination Method

Code93 Code93 bar codes with a

space at the forefront

1. When scanning symbols of Code93 symbology whose

forefront begins with a space, the scanned data is stored in the

internal buffer without being output.

2. Furthermore, when continuously scanning symbols starting

with a space, the data is combined in the internal buffer in the

order that it is scanned and is not output.

3. Finally, when scanning symbols other than those whose

forefront begins with a space, it is combined with the

internally stored data and output.

Code49 Code49 bar codes with

mode 1 (M=1) at the

forefront

Combination method is the same as for Code93 symbology.

Different to Code93 is that the combined symbols start with M=1

at the forefront.

QR Code QR Code with

combination identifier.

Indicators displaying the number of symbol divisions and the

sequential number of the symbol are stored in the combined QR

Code. The decoder is therefore able to combine and output all data

in the order of the indicators upon scanning all of the symbols.

Binary Data Scanning

The CMOS Imager is able to output data scanned from symbols not only in standard character

strings but also in binary data. It is therefore possible to scan binary data of encoded data, images

and audio as well as character strings delimited by NULL characters.

The function of the Imager Library relevant to the “Binary Data Scanning” is as follows.

IMGWaitForDecodeRaw

: Carries out decoding symbol including its binary data.