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- Contact_image_sensor abstract "Contact Image Sensors (CIS) are image sensors used in flatbed scanners almost in direct contact with the object to be scanned. CCDs, often used for this application, use mirrors to bounce light to a stationary sensor. CISs are much smaller than CCDs, use typically a tenth as much power, and are particularly suitable for low power and portable applications, often powered over USB.A CIS typically consists of a linear array of detectors, covered by focusing lenses and flanked by red, green, and blue LEDs for illumination. The use of LEDs allows the CIS to be highly power efficient, allowing scanners to be powered through the minimal line voltage supplied via a USB connection. CIS devices typically produce lower image quality compared to CCD devices; in particular, the depth of field is greatly limited, which poses a problem for material that is not perfectly flat. However, a CIS contact sensor is smaller and lighter than a CCD line sensor, and allows all the necessary optical elements to be included in a compact module, thus helping to simplify the inner structure of the scanner. With a CIS contact sensor, the scanner can be portable, with a height of only around 30 mm.CIS is both a key component of, and widely used in, scanners (especially portable scanners), electrographs, bar code readers and optical identification technology.".
- Contact_image_sensor thumbnail Flatbed_scanner_CIS_sensor_bar.jpg?width=300.
- Contact_image_sensor wikiPageID "1242563".
- Contact_image_sensor wikiPageLength "1958".
- Contact_image_sensor wikiPageOutDegree "8".
- Contact_image_sensor wikiPageRevisionID "643853766".
- Contact_image_sensor wikiPageWikiLink Category:Optical_devices.
- Contact_image_sensor wikiPageWikiLink Charge-coupled_device.
- Contact_image_sensor wikiPageWikiLink Image_scanner.
- Contact_image_sensor wikiPageWikiLink Light-emitting_diode.
- Contact_image_sensor wikiPageWikiLink USB.
- Contact_image_sensor wikiPageWikiLink File:Flatbed_scanner_CIS_sensor_bar.jpg.
- Contact_image_sensor wikiPageWikiLink File:Overwiew_-_Scanner_unit_CIS_Canon_MP500_5of5.jpg.
- Contact_image_sensor wikiPageWikiLinkText "Contact image sensor (CIS)".
- Contact_image_sensor wikiPageWikiLinkText "Contact image sensor".
- Contact_image_sensor wikiPageWikiLinkText "contact image sensor".
- Contact_image_sensor wikiPageUsesTemplate Template:Optics-stub.
- Contact_image_sensor wikiPageUsesTemplate Template:Photo-stub.
- Contact_image_sensor wikiPageUsesTemplate Template:Unreferenced.
- Contact_image_sensor subject Category:Optical_devices.
- Contact_image_sensor hypernym Sensors.
- Contact_image_sensor type Application.
- Contact_image_sensor type Redirect.
- Contact_image_sensor comment "Contact Image Sensors (CIS) are image sensors used in flatbed scanners almost in direct contact with the object to be scanned. CCDs, often used for this application, use mirrors to bounce light to a stationary sensor.".
- Contact_image_sensor label "Contact image sensor".
- Contact_image_sensor sameAs Q1128436.
- Contact_image_sensor sameAs Contact_Image_Sensor.
- Contact_image_sensor sameAs m.04lk2h.
- Contact_image_sensor sameAs Q1128436.
- Contact_image_sensor wasDerivedFrom Contact_image_sensor?oldid=643853766.
- Contact_image_sensor depiction Flatbed_scanner_CIS_sensor_bar.jpg.
- Contact_image_sensor isPrimaryTopicOf Contact_image_sensor.
