How does a scanner work?

[tomas]

How does a scanner work?

[drag]

Originally posted by tomas
How does a scanner work?
What type of scanner ? [;)]

[FZ+]

A scanner typically shines a very bright light at whatever you are scanning, and detects the reflected light with an array of light sensors like CCDs (Charged Coupled Device, like those found in a digital camera), converting them into electrical signals.

[zafiris]

Thanks for this article