CCDs: Capturing the Image
How often do you simply pick up a camcorder, turn it on, press the button, shoot video, then take the tape home and watch it, all without giving a moment's thought to how it all works?
There are far too many technological wonders in our world for us to stop and wonder about the underlying science of each one. Nonetheless, it is a good idea to get some kind of basic understanding, if for no other reason than to make informed purchasing decisions. When shooting video, for example, it's a good idea to know something about how the camcorder's image-capturing chip, the CCD, turns focused light into an electronic signal.
In this article, we'll take a brief look at CCD technology. We'll look at how CCDs work, why some camcorders have more than one CCD, and which of a camcorder's many systems rely on the CCD to o…
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