{"id":13303,"date":"2017-09-28T09:57:53","date_gmt":"2017-09-28T09:57:53","guid":{"rendered":"https:\/\/electronics-bloger.com\/?p=13303"},"modified":"2025-07-24T07:30:51","modified_gmt":"2025-07-24T07:30:51","slug":"tai-sao-camera-lui-o-to-lai-su-dung-cam-bien-cmos","status":"publish","type":"post","link":"https:\/\/luview.com\/vi\/why-cmos-sensor-rearview-car-camera\/","title":{"rendered":"T\u1ea1i sao l\u1ea1i l\u00e0 camera l\u00f9i \u00f4 t\u00f4 s\u1eed d\u1ee5ng c\u1ea3m bi\u1ebfn CMOS?"},"content":{"rendered":"

K\u1ec3 t\u1eeb khi Camera l\u00f9i \u00f4 t\u00f4<\/a> \u0111i\u1ec1u n\u00e0y ng\u00e0y c\u00e0ng tr\u1edf n\u00ean quan tr\u1ecdng trong cu\u1ed9c s\u1ed1ng hi\u1ec7n \u0111\u1ea1i, \u0111\u1eb7c bi\u1ec7t l\u00e0 \u0111\u1ed1i v\u1edbi nh\u1eefng ng\u01b0\u1eddi m\u1edbi l\u00e1i xe, v\u00e0 b\u1ea1n c\u00f3 bi\u1ebft nh\u1eefng y\u00eau c\u1ea7u v\u1ec1 c\u00f4ng ngh\u1ec7 v\u00e0 k\u1ef9 thu\u1eadt ch\u1ebf t\u1ea1o c\u1ee7a n\u00f3 kh\u00f4ng? \u0110\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng \u00f4 t\u00f4, camera \u00f4 t\u00f4 v\u00e0 camera \u0111i\u1ec7n tho\u1ea1i di \u0111\u1ed9ng \u0111\u1ec1u s\u1eed d\u1ee5ng c\u00f9ng m\u1ed9t lo\u1ea1i c\u1ea3m bi\u1ebfn camera, \u0111\u00f3 l\u00e0 c\u1ea3m bi\u1ebfn CMOS thay v\u00ec c\u1ea3m bi\u1ebfn CCD, v\u1edbi ba l\u00fd do ch\u00ednh nh\u01b0 sau:<\/p>\n

\"T\u1ea1i<\/p>\n

Tr\u01b0\u1edbc h\u1ebft, c\u1ea3m bi\u1ebfn \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong camera l\u00f9i \u00f4 t\u00f4 ph\u1ea3i c\u00f3 \u0111\u1eb7c \u0111i\u1ec3m ch\u00ednh l\u00e0: t\u1ed1c \u0111\u1ed9 cao. \u0110\u1eb7c bi\u1ec7t trong c\u00e1c t\u00ecnh hu\u1ed1ng l\u00e1i xe \u1edf t\u1ed1c \u0111\u1ed9 cao, camera l\u00f9i \u00f4 t\u00f4 ph\u1ea3i c\u00f3 kh\u1ea3 n\u0103ng ghi l\u1ea1i c\u00e1c t\u00ecnh hu\u1ed1ng l\u00e1i xe quan tr\u1ecdng. Tr\u00ean th\u1ef1c t\u1ebf, CMOS l\u00e0 c\u00f4ng ngh\u1ec7 thu nh\u1eadn h\u00ecnh \u1ea3nh nhanh h\u01a1n \u2013 c\u00e1c \u0111\u01a1n v\u1ecb trong c\u1ea3m bi\u1ebfn CMOS th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u0111i\u1ec1u khi\u1ec3n v\u00e0 \u0111\u1ecdc d\u1eef li\u1ec7u b\u1edfi ba b\u00f3ng b\u00e1n d\u1eabn, gi\u00fap \u0111\u1ea9y nhanh \u0111\u00e1ng k\u1ec3 qu\u00e1 tr\u00ecnh thu nh\u1eadn h\u00ecnh \u1ea3nh. Hi\u1ec7n nay, c\u00e1c camera hi\u1ec7u su\u1ea5t cao d\u1ef1a tr\u00ean c\u00f4ng ngh\u1ec7 CMOS c\u00f3 th\u1ec3 \u0111\u1ea1t t\u1ed1c \u0111\u1ed9 kho\u1ea3ng 5.000 khung h\u00ecnh m\u1ed7i gi\u00e2y.<\/p>\n

Th\u1ee9 hai, c\u1ea3m bi\u1ebfn CMOS c\u00f2n c\u00f3 \u01b0u \u0111i\u1ec3m l\u00e0 kh\u1ea3 n\u0103ng x\u1eed l\u00fd h\u00ecnh \u1ea3nh k\u1ef9 thu\u1eadt s\u1ed1. C\u1ea3m bi\u1ebfn CCD th\u01b0\u1eddng cung c\u1ea5p t\u00edn hi\u1ec7u TSC \/ PAL d\u1ea1ng analog, c\u00f3 th\u1ec3 ph\u1ea3i \u0111\u01b0\u1ee3c chuy\u1ec3n \u0111\u1ed5i b\u1eb1ng b\u1ed9 chuy\u1ec3n \u0111\u1ed5i AD b\u1ed5 sung, ho\u1eb7c c\u1ea3m bi\u1ebfn CCD ph\u1ea3i ho\u1ea1t \u0111\u1ed9ng v\u1edbi m\u00e0n h\u00ecnh qu\u00e9t li\u00ean t\u1ee5c \u0111\u1ec3 xu\u1ea5t ra h\u00ecnh \u1ea3nh k\u1ef9 thu\u1eadt s\u1ed1. Trong c\u1ea3 hai tr\u01b0\u1eddng h\u1ee3p, vi\u1ec7c s\u1eed d\u1ee5ng camera CCD \u0111\u1ec3 cung c\u1ea5p t\u00edn hi\u1ec7u video k\u1ef9 thu\u1eadt s\u1ed1 l\u00e0m t\u0103ng \u0111\u00e1ng k\u1ec3 \u0111\u1ed9 ph\u1ee9c t\u1ea1p c\u1ee7a h\u1ec7 th\u1ed1ng; trong khi c\u1ea3m bi\u1ebfn CMOS c\u00f3 th\u1ec3 cung c\u1ea5p t\u00edn hi\u1ec7u \u0111\u1ea7u ra LVDS ho\u1eb7c k\u1ef9 thu\u1eadt s\u1ed1, m\u00e0n h\u00ecnh LCD c\u00f3 th\u1ec3 x\u1eed l\u00fd tr\u1ef1c ti\u1ebfp c\u00e1c t\u00edn hi\u1ec7u n\u00e0y m\u00e0 kh\u00f4ng c\u1ea7n th\u1eddi gian tr\u1ec5.<\/p>\n

Th\u1ee9 ba, gi\u00e1 th\u00e0nh c\u1ee7a c\u1ea3m bi\u1ebfn CMOS th\u1ea5p h\u01a1n m\u1ed9t ch\u00fat so v\u1edbi c\u1ea3m bi\u1ebfn CCD. H\u01a1n n\u1eefa, khi c\u00f3 \u00e1nh s\u00e1ng m\u1ea1nh chi\u1ebfu v\u00e0o c\u1ea3m bi\u1ebfn CMOS, c\u1ea3m bi\u1ebfn n\u00e0y s\u1ebd kh\u00f4ng t\u1ea1o ra nhi\u1ec5u m\u1edd nh\u01b0 c\u1ea3m bi\u1ebfn CCD. \u0110i\u1ec1u n\u00e0y s\u1ebd gi\u00fap gi\u1ea3m th\u1eddi gian \u0111i\u1ec1u ch\u1ec9nh do l\u1ed7i v\u1eadn h\u00e0nh.<\/p>","protected":false},"excerpt":{"rendered":"

Since the rearview car camera is became more and more important in modern life,espeically for the new driver, and do you know its technology and craftwork requirements? For automotive applications, car camera and mobile phone camera use the same camera sensor, CMOS instead of CCD sensor, the main three reasons as below: First of all, […]<\/p>\n","protected":false},"author":1,"featured_media":23897,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[52],"tags":[],"class_list":["post-13303","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industry-news"],"_links":{"self":[{"href":"https:\/\/luview.com\/vi\/wp-json\/wp\/v2\/posts\/13303","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/luview.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/luview.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/luview.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/luview.com\/vi\/wp-json\/wp\/v2\/comments?post=13303"}],"version-history":[{"count":0,"href":"https:\/\/luview.com\/vi\/wp-json\/wp\/v2\/posts\/13303\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/luview.com\/vi\/wp-json\/wp\/v2\/media\/23897"}],"wp:attachment":[{"href":"https:\/\/luview.com\/vi\/wp-json\/wp\/v2\/media?parent=13303"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/luview.com\/vi\/wp-json\/wp\/v2\/categories?post=13303"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/luview.com\/vi\/wp-json\/wp\/v2\/tags?post=13303"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}