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A barcode reader or barcode scanner is an optical scanner that can read printed barcodes, decode the data contained in the barcode on a computer. Like a flatbed scanner, it consists of a light source, a lens, and a light sensor for translating optical impulses into electrical signals. Additionally, nearly all barcode readers contain decoder ...
A barcode printer is a specialized device designed to create and print barcodes, which are machine-readable codes consisting of parallel lines or a matrix of squares. These barcodes serve various purposes across different industries. Here are some common uses of barcode printers: 1.Retail Industry: Product Labeling: Barcode printers are used to ...
A barcode or bar code is a method of representing data in a visual, machine-readable form. Initially, barcodes represented data by varying the widths, spacings and sizes of parallel lines. These barcodes, now commonly referred to as linear or one-dimensional (1D), can be scanned by special optical scanners, called barcode readers, of which ...
The Code 39 specification defines 43 characters, consisting of uppercase letters (A through Z), numeric digits (0 through 9) and a number of special characters (-, ., $, /, +, %, and space ). An additional character (denoted '*') is used for both start and stop delimiters. Each character is composed of nine elements: five bars and four spaces.
Barcode technology in healthcare. Barcode technology in healthcare is the use of optical machine-readable representation of data in a hospital or healthcare setting. Dating back to the 1970s, there has been a continual effort among healthcare settings to adopt barcode technology. [1] In the early 2000s, published reports began to illustrate ...
A video showing an inkjet printer while printing a page. In computing, a printer is a peripheral machine which makes a persistent representation of graphics or text, usually on paper. [1] While most output is human-readable, bar code printers are an example of an expanded use for printers. [2]
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