sane-project-website/how-scanners-work.html

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<title>SANE - How Scanners Work</title>
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<meta name="author" content="Henning Meier-Geinitz">
<meta name="keywords" content="sane, scanner, scanning, work, principle, calibration">
<meta name="description" content="Short description on how scanners work">
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<a href="http://www.sane-project.org"><img src="images/sane.png"
alt="SANE" height="117" width="346" border="0"></a>
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<h1>SANE - How Scanners Work</h1>
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<p>
The idea of this document is to explain some basic principles of scanning
hardware and software. It's not related to any specific scanners nor to
any specific scanning software.
</p>
<p>
At the moment it's a template only. Feel free to add what you are
interested in.
</p>
<h2>Hardware (or: what is inside the scanner?)</h2>
<h3>Sensor types</h3>
<h4>CCD</h4>
<h4>CIS</h4>
<h3>Analog frontend (AFE)</h3>
<h3>Interface chips</h3>
<h3>Stepper motor</h3>
<h3>Calibration area</h3>
<h2>Software (or: how does this thing work?)</h2>
<p>
Keep in mind that some of the steps mentioned here can be done by the
scanner itsself (its firmware) without engagement of the driver.
</p>
<h3>Calibration</h3>
<h3>Line-distance correction</h3>
<h3>Interpolation</h3>
<h3>Gamma correction</h3>
<hr>
<p>
<a href="/">SANE homepage</a><br>
<a href="imprint.html">Contact</a>
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<p>
<font size="-1">$Date$ $Author$</font>
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