{"id":5944,"date":"2021-11-20T10:13:58","date_gmt":"2021-11-20T03:13:58","guid":{"rendered":"https:\/\/www.vietlearn.org\/post\/?p=5944"},"modified":"2021-11-20T13:24:10","modified_gmt":"2021-11-20T06:24:10","slug":"the-nao-la-tivi-man-hinh-tinh-the-long","status":"publish","type":"post","link":"https:\/\/www.vietlearn.org\/kien-thuc\/the-nao-la-tivi-man-hinh-tinh-the-long\/","title":{"rendered":"Th\u1ebf n\u00e0o l\u00e0 tivi m\u00e0n h\u00ecnh tinh th\u1ec3 l\u1ecfng?"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">S\u1ed1 \u0111\u00f4ng ng\u01b0\u1eddi xem truy\u1ec1n h\u00ecnh \u0111\u1ec1u c\u00f3 m\u1ed9t c\u1ea3m gi\u00e1c l\u00e0 m\u00e0n h\u00ecnh tivi c\u00e0ng l\u1edbn, h\u00ecnh \u1ea3nh c\u00e0ng h\u00f9ng tr\u00e1ng. Song m\u00e0n h\u00ecnh tivi m\u00e0 l\u1edbn, \u0111\u00e8n h\u00ecnh tivi c\u0169ng ph\u1ea3i theo \u0111\u00f3 m\u00e0 m\u1edf r\u1ed9ng k\u00edch th\u01b0\u1edbc, gia t\u0103ng c\u00f4ng su\u1ea5t ti\u00eau th\u1ee5 \u0111i\u1ec7n. \u0110i\u1ec1u \u0111\u00f3 l\u00e0m cho th\u1ec3 t\u00edch c\u1ee7a tivi tr\u1edf n\u00ean h\u1ebft s\u1ee9c c\u1ed3ng k\u1ec1nh, kh\u1ed1i l\u01b0\u1ee3ng c\u0169ng t\u0103ng l\u00ean nhi\u1ec1u. M\u1ed9t tivi m\u00e0u m\u00e0n h\u00ecnh l\u1edbn c\u1ee1 74 cm, \u00edt ra c\u0169ng n\u1eb7ng t\u1edbi 40 &#8211; 50 kg, n\u1ebfu mu\u1ed1n chuy\u1ec3n d\u1eddi v\u1ecb tr\u00ed c\u1ee7a n\u00f3 c\u0169ng kh\u00f4ng d\u1ec5 d\u00e0ng. V\u00ec v\u1eady, d\u00f9ng v\u1eadt li\u1ec7u l\u00fac \u0111\u1ea7u \u0111\u1ec3 s\u1ea3n xu\u1ea5t tivi m\u00e0n h\u00ecnh l\u1edbn l\u00e0 c\u00f3 gi\u1edbi h\u1ea1n. Nh\u1eefng ng\u01b0\u1eddi l\u00e0m c\u00f4ng t\u00e1c nghi\u00ean c\u1ee9u khoa h\u1ecdc k\u0129 thu\u1eadt truy\u1ec1n h\u00ecnh \u0111\u00e3 <a href=\"https:\/\/www.vietlearn.org\" data-internallinksmanager029f6b8e52c=\"2\" title=\"Vietlearn\" rel=\"nofollow\">thi\u1ebft k\u1ebf<\/a> ra m\u00e0n h\u00ecnh th\u1ec3 hi\u1ec7n h\u00ecnh \u1ea3nh truy\u1ec1n h\u00ecnh b\u1eb1ng v\u1eadt li\u1ec7u tinh th\u1ec3 l\u1ecfng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V\u1eadt li\u1ec7u ch\u1ee7 y\u1ebfu ch\u1ebf t\u1ea1o lo\u1ea1i t\u1ea5m truy\u1ec1n h\u00ecnh n\u00e0y l\u00e0 tinh th\u1ec3 l\u1ecfng. T\u00ednh ch\u1ea5t c\u1ee7a tinh th\u1ec3 l\u1ecfng \u1edf gi\u1eefa ch\u1ea5t l\u1ecfng v\u00e0 tinh th\u1ec3, v\u1eeba c\u00f3 t\u00ednh ch\u1ea3y c\u1ee7a ch\u1ea5t l\u1ecfng, l\u1ea1i v\u1eeba c\u00f3 t\u00ednh ch\u1ea5t c\u00e1c h\u01b0\u1edbng d\u1ecb t\u00ednh c\u1ee7a tinh th\u1ec3. Ch\u00ednh l\u00e0 lo\u1ea1i h\u00ecnh th\u00e1i k\u00ec l\u1ea1 \u0111\u1eb7c bi\u1ec7t n\u00e0y \u0111\u00e3 l\u00e0m cho tinh th\u1ec3 l\u1ecfng c\u00f3 hi\u1ec7u \u1ee9ng quang \u0111i\u1ec7n nhanh nh\u1ea1y. D\u01b0\u1edbi t\u00e1c \u0111\u1ed9ng c\u1ee7a t\u1eeb tr\u01b0\u1eddng v\u00e0 \u0111i\u1ec7n tr\u01b0\u1eddng, c\u00e1c ph\u00e2n t\u1eed c\u1ee7a tinh th\u1ec3 l\u1ecfng s\u1eafp x\u1ebfp l\u1ea1i, t\u1eeb ch\u1ea5t trong su\u1ed1t bi\u1ebfn th\u00e0nh kh\u00f4ng trong su\u1ed1t. Lo\u1ea1i t\u00ednh n\u0103ng d\u1ecb th\u01b0\u1eddng \u0111\u1eb7c bi\u1ec7t n\u00e0y v\u1eeba kh\u00e9o c\u00f3 th\u1ec3 tho\u1ea3 m\u00e3n y\u00eau c\u1ea7u c\u1ee7a vi\u1ec7c ch\u1ebf t\u00e1c t\u1ea5m hi\u1ec7n h\u00ecnh truy\u1ec1n h\u00ecnh.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Th\u00e0nh ph\u1ea7n ch\u1ee7 y\u1ebfu c\u1ee7a tivi tinh th\u1ec3 l\u1ecfng l\u00e0 m\u1ed9t t\u1ea5m hi\u1ec7n h\u00ecnh tinh th\u1ec3 l\u1ecfng. C\u00f4ng ngh\u1ec7 ch\u1ebf t\u1ea1o c\u1ee7a n\u00f3 h\u1ebft s\u1ee9c \u0111\u01a1n gi\u1ea3n: nh\u00e9t m\u1ed9t l\u1edbp v\u1eadt li\u1ec7u tinh th\u1ec3 l\u1ecfng chi\u1ec1u d\u00e0y b\u1eb1ng 10 &#8211; 15 micron v\u00e0o gi\u1eefa hai mi\u1ebfng k\u00ednh quang h\u1ecdc m\u1ecfng, ph\u1eb3ng phiu, c\u00f3 c\u00f9ng k\u00edch th\u01b0\u1edbc. Sau khi b\u1ecbt k\u00edn b\u1ed1n ph\u00eda c\u1ee7a n\u00f3 l\u1ea1i l\u00e0 \u0111\u00e3 l\u00e0m th\u00e0nh m\u1ed9t m\u00e0n h\u00ecnh tivi tinh th\u1ec3 l\u1ecfng. \u0110\u1ed9 d\u00e0y c\u1ee7a n\u00f3 ch\u1ec9 b\u1eb1ng 1\/20 &#8211; 1\/30 c\u1ee7a tivi \u0111\u00e8n h\u00ecnh th\u00f4ng th\u01b0\u1eddng, c\u00f2n tr\u1ecdng l\u01b0\u1ee3ng th\u00ec gi\u1ea3m t\u1edbi 80 &#8211; 90% c\u1ee7a lo\u1ea1i \u0111\u00f3. H\u01a1n n\u1eefa, di\u1ec7n t\u00edch c\u1ee7a mi\u1ebfng k\u00ednh l\u1edbn bao nhi\u00eau th\u00ec h\u00ecnh \u1ea3nh truy\u1ec1n h\u00ecnh c\u0169ng l\u1edbn b\u1ea5y nhi\u00eau, th\u1ef1c s\u1ef1 \u0111\u1ea1t \u0111\u1ebfn ti\u00eau chu\u1ea9n m\u1eb7t ph\u1eb3ng vu\u00f4ng g\u00f3c.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">T\u00edn hi\u1ec7u th\u1ecb t\u1ea7n c\u1ee7a tivi m\u00e0n h\u00ecnh tinh th\u1ec3 l\u1ecfng kh\u00f4ng c\u1ea7n ph\u1ea3i ti\u00eau hao r\u1ea5t nhi\u1ec1u \u0111i\u1ec7n n\u0103ng nh\u01b0 tivi \u0111\u00e8n hi\u1ec7n h\u00ecnh, ch\u1ec9 c\u1ea7n m\u1ed9t m\u1ea1ch t\u00edch h\u1ee3p CMOS l\u00e0 c\u00f3 th\u1ec3 tr\u1ef1c ti\u1ebfp th\u00fac \u0111\u1ea9y vi\u1ec7c hi\u1ec7n h\u00ecnh \u0111en tr\u1eafng ho\u1eb7c m\u00e0u. Cho n\u00ean b\u1ed9 ph\u1eadn hi\u1ec7n h\u00ecnh lo\u1ea1i n\u00e0y ti\u00eau th\u1ee5 \u0111i\u1ec7n n\u0103ng r\u1ea5t \u00edt, c\u00f3 th\u1ec3 ch\u1ea1y b\u1eb1ng pin \u0111\u01b0\u1ee3c. N\u00f3i chung, \u0111\u1ed1i v\u1edbi tivi m\u00e0n h\u00ecnh tinh th\u1ec3 l\u1ecfng c\u1ee1 nh\u1ecf th\u00ec b\u1ed1n vi\u00ean pin s\u1ed1 5 c\u0169ng \u0111\u1ee7 \u0111\u1ec3 thu xem c\u00e1c ti\u1ebft m\u1ee5c truy\u1ec1n h\u00ecnh trong 10 gi\u1edd. Ngo\u00e0i ra, do m\u00e0n h\u00ecnh tinh th\u1ec3 l\u1ecfng b\u1eb1ng ph\u1eb3ng, l\u1ea1i r\u1ea5t m\u1ecfng, \u0111i\u1ec1u \u0111\u00f3 l\u00e0m cho vi\u1ec7c ch\u1ebf t\u1ea1o tivi treo t\u01b0\u1eddng c\u1ee1 l\u1edbn tr\u1edf n\u00ean hi\u1ec7n th\u1ef1c.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Hi\u1ec7n nay, tr\u00ean th\u1ebf gi\u1edbi \u0111\u00e3 ch\u1ebf t\u1ea1o \u0111\u01b0\u1ee3c tivi m\u00e0n h\u00ecnh tinh th\u1ec3 l\u1ecfng t\u1eeb 6,5 \u0111\u1ebfn h\u00e0ng m\u00e9t. V\u00ed d\u1ee5 \u0111\u00e3 c\u00f3 lo\u1ea1i m\u00e0n h\u00ecnh tivi m\u00e0u tinh th\u1ec3 l\u1ecfng si\u00eau l\u1edbn, \u0111\u1ed9 n\u00e9t cao, k\u00edch th\u01b0\u1edbc 3,2 m x 4,3 m, c\u00f3 n\u0103ng su\u1ea5t ph\u00e2n gi\u1ea3i cao t\u1edbi 6 tri\u1ec7u ph\u1ea7n t\u1eed \u1ea3nh. D\u01b0\u1edbi \u00e1nh s\u00e1ng t\u01b0\u01a1ng \u0111\u1ed1i m\u1ea1nh \u1edf ngo\u00e0i tr\u1eddi, \u0111\u1ed9 t\u01b0\u01a1ng ph\u1ea3n h\u00ecnh \u1ea3nh c\u1ee7a m\u00e0n h\u00ecnh \u1ea5y v\u1eabn r\u1ea5t t\u1ed1t.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">T\u1eeb kho\u00e1: Tivi; Tivi m\u00e0n h\u00ecnh tinh th\u1ec3 l\u1ecfng; Tinh th\u1ec3 l\u1ecfng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n\n\n\n","protected":false},"excerpt":{"rendered":"<p>S\u1ed1 \u0111\u00f4ng ng\u01b0\u1eddi xem truy\u1ec1n h\u00ecnh \u0111\u1ec1u c\u00f3 m\u1ed9t c\u1ea3m gi\u00e1c l\u00e0 m\u00e0n h\u00ecnh tivi c\u00e0ng l\u1edbn, h\u00ecnh \u1ea3nh c\u00e0ng h\u00f9ng tr\u00e1ng. Song m\u00e0n h\u00ecnh tivi m\u00e0 l\u1edbn, \u0111\u00e8n h\u00ecnh tivi c\u0169ng ph\u1ea3i theo \u0111\u00f3 m\u00e0 m\u1edf r\u1ed9ng k\u00edch th\u01b0\u1edbc, gia t\u0103ng c\u00f4ng su\u1ea5t ti\u00eau th\u1ee5 \u0111i\u1ec7n. \u0110i\u1ec1u \u0111\u00f3 l\u00e0m cho th\u1ec3 t\u00edch c\u1ee7a tivi [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_disable_autopaging":false},"categories":[15,7],"tags":[],"class_list":["post-5944","post","type-post","status-publish","format-standard","hentry","category-hoi-dap-khoa-hoc","category-vat-ly"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/5944","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/comments?post=5944"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/5944\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=5944"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=5944"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=5944"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}