bar code

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bar code

(bahr kōd)
A code consisting of a group of printed, variably patterned bars and spaces scanned by lasers into a computer to identify the object it labels.

bar code

A parallel array of alternately spaced black bars and white spaces representing a coded number, numbers, or letters, depending on the format employed. It is used clinically for patient sample identification as well as analyzer and operator ID.
See also: code
References in periodicals archive ?
At this point, PDF417, MaxiCode and Data Matrix are the most widely used and recognized 2-D symbologies.
Developers of Maxicode and DataMatrix have both expressed their intentions to have those symbologies accepted as public domain.
In addition, Azalea offers 2D bar code products like Azalea PDF417 (PDF 417), DataMatrix, and Maxicode.
The ScanImage 1470B reads a wide variety of symbologies, including linear codes (Code 39, Interleaved 2 of 5, Code 128, ISBT-128, Codabar, Code93, UPC/EAN, Codablock), stacked linear symbology (PDF417, Micro PDF417, TLC39, RSS), matrix/2D codes (Data Matrix, MaxiCode, QR Code, Aztec, Aztec Mesa, Code 49, UCC Composite), postal codes (U.
Two-dimensional bar codes, such as PDF417, MaxiCode and DataMatrix, are scanned horizontally and vertically and hold considerably more data in less space.
All barcode symbologies are supported, including 2-D Maxicode, PDF 417, and QR Code.