Ccd Colour
April 15th, 2009
Is a CCD (charged-coupled device) a memory card? (BEST ANSWER WILL BE AWARDED)?
I thought I knew, not I'm confused again.
It says here: In a digital camera, the recording surface is a changed coupled device. If this isn't at the right focal point, the image will be blurry.
But then...:In 1969, William Boyle and George Smith came up with the CCD as a way OF STORING DATA.
*Then it goes on talking about pixels and the three primary colors; red, green, and blue.
So, is it a memory card or not? The second thing was the ONLY thing I could find about the physics of storing data in your camera... :/
It can be both. A charge-coupled device (CCD) is a device for the movement of electrical charge, usually from within the device to an area where the charge can be manipulated, for example conversion into a digital value. This is achieved by "shifting" the signals between stages within the device one at a time. Technically, CCDs are implemented as shift registers that move charge between capacitive bins in the device, with the shift allowing for the transfer of charge between bins.
Often the device is integrated with an image sensor, such as a photoelectric device to produce the charge that is being read, thus making the CCD a major technology for digital imaging. Although CCDs are not the only technology to allow for light detection, CCDs are widely used in professional, medical, and scientific applications where high-quality image data are required.
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