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Code 39 (also known as Alpha39, Code 3 of 9, Code 3/9, Type 39, USS Code 39, or USD-3) is a variable length, discrete barcode symbology defined in ISO/IEC 16388:2007.. 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).
In 2010, the open-source-self-check project was announced. By using hardware and open source software, this library self-checkout system costs less than one-tenth of the commercial version. [20] [21] A Java-based open source self-check client for libraries, which has been used at the University of Oxford, [22] is also available under a GPL v3 ...
A barcode printer is a computer peripheral for printing barcode [1] labels or tags that can be attached to, or printed directly on, physical objects. Barcode printers are commonly used to label cartons before shipment, or to label retail items with UPCs or EANs .
A barcode reader or barcode scanner is an optical scanner that can read printed barcodes and send the data they contain to computer. [1] Like a flatbed scanner , it consists of a light source, a lens, and a light sensor for translating optical impulses into electrical signals.
Metal tag with a permanent adhesive or durable polyester label are suitable for many environments but other marking items such as laser etch, dot peen, Metalphoto photosensitive anodized aluminum, chemical etch or ink jet can also be used for direct part Unique Identification. The following methodologies (constructs) and equivalents are approved:
A receiving checkweigher for the shipment can read the label with a bar code scanner, and determine if the shipment is as it was before the transportation carrier received it from the shipper's loading dock, and determine if a box is missing, or something was pilfered or broken in transit. Checkweighers are also used for Quality management. For ...
Zebra Technologies Corporation is an American mobile computing company specializing in technology used to sense, analyze, and act in real time. [2] The company manufactures and sells marking, tracking, and computer printing technologies.
Printer tracking dots, also known as printer steganography, DocuColor tracking dots, yellow dots, secret dots, or a machine identification code (MIC), is a digital watermark which many color laser printers and photocopiers produce on every printed page that identifies the specific device that was used to print the document.