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Yellow dots on white paper, produced by color laser printer (enlarged, dot diameter about 0.1 mm) 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 ...
This method, using small measured registration marks on both the stone and the paper, is very accurate and simple to do. The printer measures the exact size of the paper and the desired margins. Then marks are made at both ends of the sheet of paper, and corresponding marks (usually in the shape of a "T") are made on the stone.
Kindle Keyboard does not have this restriction). The usage of the 3G data is limited to 50MB per month. [33] Like the Kindle 3, the Kindle Touch has a capacity of 4 GB and battery life of two months under ideal reading conditions, and is larger than the Kindle 4. [34] The Kindle Touch was released on November 15, 2011. [35]
The dot pattern is a two-dimensional barcode; the most common is the proprietary Anoto dot pattern. In the Anoto dot pattern, the paper is divided into a grid with a spacing of about 0.3 mm, a dot is printed near each intersection offset slightly in one of four directions, a camera in the pen typically records a 6 x 6 groups of dots.
Cricut, Inc. is an American brand of cutting plotters, or computer-controlled cutting machines, designed for home crafters. The machines are used for cutting paper, felt, vinyl, fabric [2] and other materials such as leather, matboard, and wood.
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Therefore, dot gain is now measured as the original digital dot versus the actual measured ink dot on paper. Mathematically, dot gain is defined as: = where a print is the ink area fraction of the print, and a form is the prepress area fraction to be inked. The latter may be the fraction of opaque material on a film positive (or transparent ...
Electronic paper or intelligent paper, is a display device that reflects ambient light, mimicking the appearance of ordinary ink on paper [1] – unlike conventional flat-panel displays which need additional energy to emit their own light. This may make them more comfortable to read, and provide a wider viewing angle than most light-emitting ...