{"id":2331,"date":"2016-11-02T13:13:42","date_gmt":"2016-11-02T13:13:42","guid":{"rendered":"https:\/\/www.techopedia.com\/definition\/contact-image-sensor\/"},"modified":"2016-11-02T13:13:42","modified_gmt":"2016-11-02T13:13:42","slug":"contact-image-sensor","status":"publish","type":"definition","link":"https:\/\/www.techopedia.com\/definition\/2181\/contact-image-sensor-cis","title":{"rendered":"Contact Image Sensor"},"content":{"rendered":"<h2><span id=\"what_does_contact_image_sensor_mean\">What Does Contact Image Sensor Mean?<\/span><\/h2>\n<p>A contact image sensor (CIS) is a particular kind of LED<br \/>\nsensor used in scanner technologies. The contact image sensor is an array of<br \/>\nsensors with red, green and blue LED lights supporting image capture. Contact image sensors have been popularized as a compact and low-power source of imaging<br \/>\ncapability.<\/p>\n<h2><span id=\"techopedia_explains_contact_image_sensor\">Techopedia Explains Contact Image Sensor<\/span><\/h2>\n<p>\n\tIn general, contact image sensors are smaller than other<br \/>\nkinds of traditional sensors such as charge-coupled device (CDD) sensors, and,<br \/>\nbecause of the LED support, are much more efficient. Although image quality may<br \/>\nbe limited, CIS is helpful in constructing scanners that are made to use less<br \/>\nenergy, and are made to be more portable. Where the Canon company describes<br \/>\nthis technology, it rates contact image sensors as more than ten times more<br \/>\npower efficient than CCD-based imaging systems. Companies like Canon use an<br \/>\napproach called LIDE or LED indirect exposure to build CIS sensors and innovate<br \/>\nin optical technology.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>What Does Contact Image Sensor Mean? A contact image sensor (CIS) is a particular kind of LED sensor used in scanner technologies. The contact image sensor is an array of sensors with red, green and blue LED lights supporting image capture. Contact image sensors have been popularized as a compact and low-power source of imaging [&hellip;]<\/p>\n","protected":false},"author":7813,"featured_media":0,"comment_status":"open","ping_status":"closed","template":"","format":"standard","meta":{"_acf_changed":false,"_lmt_disableupdate":"","_lmt_disable":"","om_disable_all_campaigns":false,"footnotes":""},"definitioncat":[217],"class_list":["post-2331","definition","type-definition","status-publish","format-standard","hentry","definitioncat-hardware"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v24.2 (Yoast SEO v24.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>What is a Contact Image Sensor (CIS)? - Definition from Techopedia<\/title>\n<meta name=\"description\" content=\"This definition explains the meaning of Contact Image Sensor and why it matters.\" \/>\n<meta name=\"robots\" content=\"noindex, follow\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Contact Image Sensor\" \/>\n<meta property=\"og:description\" content=\"This definition explains the meaning of Contact Image Sensor and why it matters.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.techopedia.com\/definition\/2181\/contact-image-sensor-cis\" \/>\n<meta property=\"og:site_name\" content=\"Techopedia\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/techopedia\/\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:site\" content=\"@techopedia\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.techopedia.com\/definition\/2181\/contact-image-sensor-cis#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.techopedia.com\/definition\/2181\/contact-image-sensor-cis\"},\"author\":{\"name\":\"Margaret Rouse\",\"@id\":\"https:\/\/www.techopedia.com\/#\/schema\/person\/f5dd538e31ee352d105b8af36c4268a5\"},\"headline\":\"Contact Image Sensor\",\"datePublished\":\"2016-11-02T13:13:42+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.techopedia.com\/definition\/2181\/contact-image-sensor-cis\"},\"wordCount\":164,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/www.techopedia.com\/#organization\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/www.techopedia.com\/definition\/2181\/contact-image-sensor-cis#respond\"]}],\"articleSection\":\"\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.techopedia.com\/definition\/2181\/contact-image-sensor-cis\",\"url\":\"https:\/\/www.techopedia.com\/definition\/2181\/contact-image-sensor-cis\",\"name\":\"What is a Contact Image Sensor (CIS)? 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