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Stephen R Dashiell, Bindiganavele A Prasad, Ronald E Rider, James A Steffen: Virtual memory cache for use in multi-processing systems. Xerox Corporation, Robert E Cuhya, June 27, 1989: US04843542 (99 worldwide citation)

A system for maintaining data consistency among distributed processors, each having its associated cache memory. A processor addresses data in its cache by specifying the virtual address. The cache will search its cells for the data associatively. Each cell has a virtual address, a real address, fla ...


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Stephen R Dashiell, David E Rumph: System and method for adaptively compressing data having noisy images using lossless compression. Xerox Corporation, Michael J Nickerson, Basch & Nickerson, December 18, 2018: US10158784

A system and method adaptively lossy compresses image data by receiving a pixel of image data and meta data indicating a type of object that generated the pixel of image data, the pixel of image data includes a first byte having most significant bits of image data and a second byte having least sign ...