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  2. Image scanner - Wikipedia

    en.wikipedia.org/wiki/Image_scanner

    Consumer-level flatbed photo scanners have a dynamic range in the 2.0–3.0 range, which can be inadequate for scanning all types of photographic film, as Dmax can be and often is between 3.0d and 4.0d with traditional black-and-white film. Color film compresses its 12 stops of a possible 16 stops (film latitude) into just 2.0d of space via the ...

  3. Duplex scanning - Wikipedia

    en.wikipedia.org/wiki/Duplex_scanning

    Duplex scanning is a feature of some computer scanners, and multifunction printers (MFPs) that support duplex printing. A duplex scanner can automatically scan a sheet of paper on both sides. Scanners without this capability can only scan both sides of a sheet of paper by reinserting it manually the other way up.

  4. Epson - Wikipedia

    en.wikipedia.org/wiki/Epson

    The ink reporting and ink cartridges used in Epson's Stylus Pro 9900-series large format printer reports on ink levels and simultaneously protect the health of the printhead. During printhead maintenance or cleanings, if a cartridge doesn't have enough ink to complete the cleaning, a fuller cartridge must be used.

  5. Samples per inch - Wikipedia

    en.wikipedia.org/wiki/Samples_per_inch

    Similar characteristics are present in drum scanners, which continuously spin the item being scanned past the sensor array for numerous imaging passes. To calculate the number of raw data bytes that a scanned image will take up, you can use the follow formula : v S P I ∗ h S P I ∗ a r e a ∗ c o l o r d e p t h e n c o d i n g 8 ...

  6. Pulse oximetry - Wikipedia

    en.wikipedia.org/wiki/Pulse_oximetry

    Pulse oximetry is a noninvasive method for monitoring blood oxygen saturation. Peripheral oxygen saturation (SpO 2) readings are typically within 2% accuracy (within 4% accuracy in 95% of cases) of the more accurate (and invasive) reading of arterial oxygen saturation (SaO 2) from arterial blood gas analysis.

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