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Interpress is a page description language developed at Xerox PARC, based on the Forth programming language [1] and an earlier graphics language called JaM. PARC was unable to commercialize Interpress. Two of its creators, Chuck Geschke and John Warnock, left Xerox, formed Adobe Systems, and produced a similar language called PostScript.
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.
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The Xerox 500 series is a discontinued line of computers from Xerox Data Systems (XDS) introduced in the early 1970s as backward-compatible upgrades for the Sigma series machines. Although orders for the Xerox 530 were deemed "encouraging" as of January 1974, [ 1 ] the systems had failed to gain traction by the time Xerox sold its Data Systems ...
Xerox was founded in 1906 in Rochester, New York, as the Haloid Photographic Company. [11] It manufactured photographic paper and equipment. In 1938, Chester Carlson, a physicist working independently, invented a process for printing images using an electrically charged photoconductor-coated metal plate [12] and dry powder "toner".
Front of the Xerox Sigma 9. On display at the Living Computer Museum in Seattle, Washington. The Xerox Sigma 9, also known as the XDS Sigma 9, is a high-speed, general purpose computer. Xerox first became interested in office automation through computers in 1969 and purchased Scientific Data Systems or SDS.
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The Phaser brand has become a key component of Xerox's office product portfolio, and the company continues to expand the product line. One important aspect of the acquisition of the Tektronix divisions is that Xerox kept Tektronix staff and support services, as Tektronix was known for high-performance and high-quality printers.