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CMOS image sensor |
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CMOS image sensor A CMOS-based chip that records the intensities of light as variable charges similar to a CCD chip. Although initially used in less expensive digital cameras, the quality of CMOS sensors has improved steadily.CMOS sensors have advantages over CCDs. They can be made like other CMOS chips on standard CMOS fabrication lines, which makes development less costly, and auxiliary circuitry, such as analog-to-digital conversion, can be combined on the same chip. In addition, CMOS chips use less power than CCDs. No Charge Coupling Unlike CCD sensors, CMOS image sensors do not use charge coupling, which transfers charges to a second bank of photosites before sending them out for analog-to-digital conversion. Because they are standard CMOS chips, CMOS image sensors have amplifiers and output circuitry connected to each photosite. Contrast with CCD. See CMOS camera and digital camera. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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No references found | Now, researchers at the Fraunhofer Institute for Microelectronic Circuits and Systems IMS in Duisburg have developed a new process for producing CMOS image sensors which enables the chips to see colour. We're addressing this nuance with our new CMOS image sensor SoC that has been completely designed, and performance optimized, with high-definition and VGA video in mind," he stated. We're addressing this nuance with our new CMOS image sensor SoC that has been completely designed, and performance optimized, with high-definition and VGA video in mind. |
CMOS image sensor |
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