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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 ...
Note that a PDF spot color must also include a "tint transform" which translates spot values into a different color space for viewing on screen, or printing to printers without spot color support. There is no special rule for the name "All", so PDF creators must include a tint transform that converts to black in some color space, in order to ...
In 1982, the firm launched its famous Pigma marker pen lines. [2] [3] In 1984, Sakura invented the first gel-based ink, featured in its new ballpoint pens lines. Gel ink pens are currently produced by many stationery companies. In 1991 Sakura acquired the Dutch company Royal Talens, and in 1997 the Dutch pencil maker Bruynzeel . [1]
The QR code system was invented in 1994, at the Denso Wave automotive products company, in Japan. [6] [7] [8] The initial alternating-square design presented by the team of researchers, headed by Masahiro Hara, was influenced by the black counters and the white counters played on a Go board; [9] the pattern of the position detection markers was determined by finding the least-used sequence of ...
Fiducial markers are used in a wide range of medical imaging applications. Images of the same subject produced with two different imaging systems may be correlated by placing a fiducial marker in the area imaged by both systems. In this case, a marker which is visible in the images produced by both imaging modalities must be used.
A permanent marker can also be removed by drawing over it with a dry erase marker on non-porous surfaces such as a whiteboard, [3] as dry erase markers also contain a non-polar solvent. Most dry-erase board cleaner solutions also contain effective organic solvents like 2-butoxyethanol to remove the pigment.
Bill Belichick and Jordon Hudson rang in 2025 by each other's side.. On Dec. 31, Hudson, 24, shared a post toasting the new year with her boyfriend, 72-year-old former New England Patriots coach ...
In August 1976, the company launched the first Expo dry erase marker. [4] In November 1986, the company launched a new marker named Expo II. It featured an alcohol-based ink instead of methyl isobutyl ketone. Sanford discontinued the Expo 2 in the 2010s and changed this line to the alcohol-based ink. [5] Former "Sanford" logo, used until 2019