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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 ...
Print/export Download as PDF; ... Help. A number of geometric arrangements of dots (or similar units) have been given special names in mathematics, art and symbolism ...
The data message in DotCode is represented with data codewords from 0 to 112 which are encoded with 5-of-9 binary dot patterns. DotCode supports the following features: [ 2 ] : 5.2.1 Natively encodes digits or ASCII charset (between 0 and 127) with A, B and C code sets and extended ASCII values (128 to 255) with Upper Shift;
So the pattern with dots 1-2-5 raised would yield (00010011) 2, equivalent to (13) 16 or (19) 10. The mapping can also be computed by adding together the hexadecimal values, seen at right, of the dots raised. So the pattern with dots 1-2-5 raised would yield 1 16 +2 16 +10 16 = 13 16. Whether computed directly in hexadecimal, or indirectly via ...
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.
The Braille pattern dots-2 ( ⠂) is a 6-dot braille cell with the middle-left dot raised, or an 8-dot braille cell with its mid-high left dot raised. It is represented by the Unicode code point U+2802, and in Braille ASCII with the number "1".
The Braille pattern dots-256 ( ⠲) is a 6-dot braille cell with both middle, and the bottom right dots raised, or an 8-dot braille cell with both upper-middle, and the lower-middle right dots raised.
Ben Day dots The Ben Day process is a printing and photoengraving technique for producing areas of gray or (with four-color printing ) various colors by using fine patterns of ink on the paper. It was developed in 1879 [ 1 ] by illustrator and printer Benjamin Henry Day Jr. (son of 19th-century publisher Benjamin Henry Day ). [ 2 ]