{"id":2570,"date":"2024-05-24T02:40:39","date_gmt":"2024-05-24T02:40:39","guid":{"rendered":"https:\/\/nfc-readers.com\/?p=2570"},"modified":"2024-05-24T02:40:39","modified_gmt":"2024-05-24T02:40:39","slug":"what-is-nfc","status":"publish","type":"post","link":"https:\/\/nfc-readers.com\/vi\/what-is-nfc\/","title":{"rendered":"NFC l\u00e0 g\u00ec?"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_73 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">M\u1ee5c l\u1ee5c<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Chuy\u1ec3n \u0111\u1ed5i m\u1ee5c l\u1ee5c\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Chuy\u1ec3n \u0111\u1ed5i<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/nfc-readers.com\/vi\/what-is-nfc\/#The_Essence_of_NFC\" title=\"B\u1ea3n ch\u1ea5t c\u1ee7a NFC\">B\u1ea3n ch\u1ea5t c\u1ee7a NFC<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/nfc-readers.com\/vi\/what-is-nfc\/#Operating_Principle\" title=\"Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng\">Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/nfc-readers.com\/vi\/what-is-nfc\/#Vast_Array_of_Applications\" title=\"M\u1ea3ng \u1ee9ng d\u1ee5ng r\u1ed9ng l\u1edbn\">M\u1ea3ng \u1ee9ng d\u1ee5ng r\u1ed9ng l\u1edbn<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/nfc-readers.com\/vi\/what-is-nfc\/#Fundamentals_of_Inductive_Coupling\" title=\"C\u01a1 s\u1edf c\u1ee7a gh\u00e9p c\u1ea3m \u1ee9ng\">C\u01a1 s\u1edf c\u1ee7a gh\u00e9p c\u1ea3m \u1ee9ng<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/nfc-readers.com\/vi\/what-is-nfc\/#Exploring_NFC_Operating_Modes\" title=\"Kh\u00e1m ph\u00e1 ch\u1ebf \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a NFC\">Kh\u00e1m ph\u00e1 ch\u1ebf \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a NFC<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/nfc-readers.com\/vi\/what-is-nfc\/#Conclusion\" title=\"Ph\u1ea7n k\u1ebft lu\u1eadn\">Ph\u1ea7n k\u1ebft lu\u1eadn<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"The_Essence_of_NFC\"><\/span><strong>B\u1ea3n ch\u1ea5t c\u1ee7a NFC<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&nbsp;<\/p>\n<div class=\"auto-hide-last-sibling-br paragraph_c9271 paragraph-element\">Giao ti\u1ebfp tr\u01b0\u1eddng g\u1ea7n (<a href=\"https:\/\/nfc-readers.com\/vi\/Wholesale\/rfid-nfc-reader\/\">NFC<\/a>) l\u00e0 c\u00f4ng ngh\u1ec7 truy\u1ec1n th\u00f4ng kh\u00f4ng d\u00e2y ti\u00ean phong \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng d\u1ef1a tr\u00ean c\u00e1c nguy\u00ean t\u1eafc t\u01b0\u01a1ng t\u1ef1 nh\u01b0 ti\u00eau chu\u1ea9n Nh\u1eadn d\u1ea1ng t\u1ea7n s\u1ed1 v\u00f4 tuy\u1ebfn (RFID). K\u1ef3 quan c\u00f4ng ngh\u1ec7 n\u00e0y cho ph\u00e9p truy\u1ec1n d\u1eef li\u1ec7u li\u1ec1n m\u1ea1ch qua kho\u1ea3ng c\u00e1ch ng\u1eafn, theo truy\u1ec1n th\u1ed1ng l\u00e0 v\u00e0i milim\u00e9t, t\u1ef1 h\u00e0o v\u1edbi t\u1ed1c \u0111\u1ed9 truy\u1ec1n d\u1eef li\u1ec7u khi\u00eam t\u1ed1n trong ph\u1ea1m vi v\u00e0i kilobit m\u1ed7i gi\u00e2y. N\u1ec1n t\u1ea3ng c\u1ee7a c\u00e1c giao th\u1ee9c NFC d\u1ef1a tr\u00ean c\u00e1c ti\u00eau chu\u1ea9n RFID \u0111\u01b0\u1ee3c ghi ch\u00e9p t\u1ec9 m\u1ec9 trong ISO\/IEC 18092.<\/div>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone  wp-image-2571\" src=\"https:\/\/nfc-readers.com\/wp-content\/uploads\/2024\/05\/88899-1-300x169.webp\" alt=\"\" width=\"509\" height=\"287\" srcset=\"https:\/\/nfc-readers.com\/wp-content\/uploads\/2024\/05\/88899-1-300x169.webp 300w, https:\/\/nfc-readers.com\/wp-content\/uploads\/2024\/05\/88899-1-1024x577.webp 1024w, https:\/\/nfc-readers.com\/wp-content\/uploads\/2024\/05\/88899-1-768x433.webp 768w, https:\/\/nfc-readers.com\/wp-content\/uploads\/2024\/05\/88899-1-18x10.webp 18w, https:\/\/nfc-readers.com\/wp-content\/uploads\/2024\/05\/88899-1-600x338.webp 600w, https:\/\/nfc-readers.com\/wp-content\/uploads\/2024\/05\/88899-1.webp 1498w\" sizes=\"auto, (max-width: 509px) 100vw, 509px\" \/><\/p>\n<h2 class=\"auto-hide-last-sibling-br paragraph_c9271 paragraph-element\"><span class=\"ez-toc-section\" id=\"Operating_Principle\"><\/span><strong>Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&nbsp;<\/p>\n<div class=\"auto-hide-last-sibling-br paragraph_c9271 paragraph-element\">C\u01a1 ch\u1ebf ho\u1ea1t \u0111\u1ed9ng c\u1ee7a NFC \u0111i s\u00e2u v\u00e0o \u0111\u1ed9ng l\u1ef1c h\u1ecdc c\u1ee7a tr\u01b0\u1eddng \u0111i\u1ec7n t\u1eeb xung quanh \u0103ng-ten RF, \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i r\u1ed9ng r\u00e3i th\u00e0nh tr\u01b0\u1eddng g\u1ea7n v\u00e0 tr\u01b0\u1eddng xa. Tr\u01b0\u1eddng g\u1ea7n bao b\u1ecdc v\u00f9ng g\u1ea7n \u0103ng-ten (ch\u00ednh x\u00e1c, l\u00ean \u0111\u1ebfn kho\u1ea3ng c\u00e1ch \u0111\u01b0\u1ee3c t\u00ednh l\u00e0 2D2\/\u03bb), gi\u00e0u b\u1ee9c x\u1ea1 \u0111i\u1ec7n t\u1eeb. Ng\u01b0\u1ee3c l\u1ea1i, tr\u01b0\u1eddng xa tr\u1ea3i d\u00e0i ra v\u00f9ng xa h\u01a1n, bi\u1ec3u th\u1ecb ph\u1ea1m vi b\u1ee9c x\u1ea1 \u0111i\u1ec7n t\u1eeb xa h\u01a1n so v\u1edbi \u0103ng-ten.<\/div>\n<p>&nbsp;<\/p>\n<h2 class=\"auto-hide-last-sibling-br paragraph_c9271 paragraph-element\"><span class=\"ez-toc-section\" id=\"Vast_Array_of_Applications\"><\/span><strong>M\u1ea3ng \u1ee9ng d\u1ee5ng r\u1ed9ng l\u1edbn<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&nbsp;<\/p>\n<div class=\"auto-hide-last-sibling-br paragraph_c9271 paragraph-element\">D\u1ea5u ch\u00e2n c\u1ee7a NFC m\u1edf r\u1ed9ng tr\u00ean m\u1ed9t ph\u1ed5 r\u1ed9ng c\u00e1c \u1ee9ng d\u1ee5ng kh\u00f4ng c\u1ea7n ch\u1ea1m, \u0111\u00e1nh d\u1ea5u \u0111\u00e1ng k\u1ec3 s\u1ef1 hi\u1ec7n di\u1ec7n c\u1ee7a n\u00f3 trong c\u00e1c l\u0129nh v\u1ef1c nh\u01b0 ki\u1ec3m so\u00e1t ra v\u00e0o \u0111\u01b0\u1eddng s\u1eaft v\u00e0 v\u0103n ph\u00f2ng, ch\u0103m s\u00f3c s\u1ee9c kh\u1ecfe, \u0111i\u1ec7n t\u1eed ti\u00eau d\u00f9ng v\u00e0 \u0111\u00e1ng ch\u00fa \u00fd h\u01a1n l\u00e0 trong l\u0129nh v\u1ef1c trao \u0111\u1ed5i th\u00f4ng tin v\u00e0 gi\u1ea3i ph\u00e1p thanh to\u00e1n. C\u00f4ng ngh\u1ec7 n\u00e0y \u1ee7ng h\u1ed9 ch\u1ebf \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng c\u00f3 hai vai tr\u00f2 \u2014 \u0111\u00f2i h\u1ecfi ng\u01b0\u1eddi kh\u1edfi x\u01b0\u1edbng ph\u1ea3i b\u1eaft \u0111\u1ea7u giao ti\u1ebfp v\u00e0 m\u1ee5c ti\u00eau ph\u1ea3i ph\u1ea3n h\u1ed3i ho\u1eb7c \u0111\u00e1p l\u1ea1i.<\/div>\n<h2><\/h2>\n<div class=\"auto-hide-last-sibling-br paragraph_c9271 paragraph-element\"><strong>\u0110\u1ed9ng l\u1ef1c giao ti\u1ebfp<\/strong><\/div>\n<p>&nbsp;<\/p>\n<div class=\"auto-hide-last-sibling-br paragraph_c9271 paragraph-element\">Giao ti\u1ebfp trong h\u1ec7 sinh th\u00e1i NFC chia th\u00e0nh ch\u1ebf \u0111\u1ed9 ch\u1ee7 \u0111\u1ed9ng v\u00e0 th\u1ee5 \u0111\u1ed9ng, m\u1ed7i ch\u1ebf \u0111\u1ed9 \u0111\u01b0\u1ee3c ph\u00e2n \u0111\u1ecbnh theo m\u1ee9c \u0111\u1ed9 t\u01b0\u01a1ng t\u00e1c v\u1ec1 n\u0103ng l\u01b0\u1ee3ng. \u1ede ch\u1ebf \u0111\u1ed9 giao ti\u1ebfp ch\u1ee7 \u0111\u1ed9ng, c\u1ea3 b\u00ean kh\u1edfi t\u1ea1o v\u00e0 b\u00ean m\u1ee5c ti\u00eau \u0111\u1ec1u t\u1ea1o ra tr\u01b0\u1eddng \u0111i\u1ec7n t\u1eeb m\u1ed9t c\u00e1ch \u0111\u1ed9c l\u1eadp, thay phi\u00ean nhau giao ti\u1ebfp. Ch\u1ebf \u0111\u1ed9 th\u1ee5 \u0111\u1ed9ng v\u1ebd n\u00ean m\u1ed9t b\u1ee9c tranh kh\u00e1c, trong \u0111\u00f3 b\u00ean m\u1ee5c ti\u00eau h\u00fat n\u0103ng l\u01b0\u1ee3ng tr\u1ef1c ti\u1ebfp t\u1eeb \u0111\u1ea7u \u0111\u1ecdc NFC, lo\u1ea1i b\u1ecf nhu c\u1ea7u v\u1ec1 ngu\u1ed3n \u0111i\u1ec7n t\u00edch h\u1ee3p. S\u1ef1 s\u1eafp x\u1ebfp th\u00f4ng minh n\u00e0y cho ph\u00e9p t\u00edch h\u1ee3p \u0111\u01a1n gi\u1ea3n c\u00e1c kh\u1ea3 n\u0103ng NFC v\u00e0o c\u00e1c v\u1eadt th\u1ec3, nh\u01b0 nh\u00e3n d\u00e1n, m\u1edf r\u1ed9ng \u0111\u00e1ng k\u1ec3 c\u00e1c \u1ee9ng d\u1ee5ng kh\u1ea3 thi m\u00e0 kh\u00f4ng g\u00e2y tr\u1edf ng\u1ea1i cho ngu\u1ed3n \u0111i\u1ec7n pin.<\/div>\n<p>&nbsp;<\/p>\n<h2 class=\"auto-hide-last-sibling-br paragraph_c9271 paragraph-element\"><span class=\"ez-toc-section\" id=\"Fundamentals_of_Inductive_Coupling\"><\/span><strong>C\u01a1 s\u1edf c\u1ee7a gh\u00e9p c\u1ea3m \u1ee9ng<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&nbsp;<\/p>\n<div class=\"auto-hide-last-sibling-br paragraph_c9271 paragraph-element\">Nguy\u00ean l\u00fd c\u1ee7a m\u00f4 h\u00ecnh ho\u1ea1t \u0111\u1ed9ng NFC n\u1eb1m \u1edf c\u1ed1t l\u00f5i c\u1ee7a nguy\u00ean l\u00fd gh\u00e9p n\u1ed1i c\u1ea3m \u1ee9ng. Hi\u1ec7n t\u01b0\u1ee3ng n\u00e0y th\u00fac \u0111\u1ea9y qu\u00e1 tr\u00ecnh di chuy\u1ec3n c\u1ee7a m\u1ed9t s\u1ee3i d\u00e2y qua t\u1eeb tr\u01b0\u1eddng, t\u1ea1o ra d\u00f2ng \u0111i\u1ec7n. C\u00e1c thi\u1ebft b\u1ecb NFC \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf v\u1edbi c\u00e1c cu\u1ed9n d\u00e2y, khi ti\u1ebfp x\u00fac v\u1edbi t\u1eeb tr\u01b0\u1eddng ph\u00e1t ra t\u1eeb m\u1ed9t th\u1ef1c th\u1ec3 NFC \u0111\u1ed3ng h\u00e0nh, s\u1ebd khai th\u00e1c n\u0103ng l\u01b0\u1ee3ng \u0111\u01b0\u1ee3c t\u1ea1o ra. N\u0103ng l\u01b0\u1ee3ng \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh kh\u00e9o l\u00e9o n\u00e0y sau \u0111\u00f3 \u0111\u01b0\u1ee3c truy\u1ec1n \u0111i \u0111\u1ec3 cung c\u1ea5p n\u0103ng l\u01b0\u1ee3ng cho vi\u1ec7c truy\u1ec1n d\u1eef li\u1ec7u qua s\u00f3ng v\u00f4 tuy\u1ebfn, v\u1edbi c\u1ea3 b\u00ean kh\u1edfi t\u1ea1o v\u00e0 b\u00ean m\u1ee5c ti\u00eau \u0111\u1ec1u s\u1eed d\u1ee5ng ngu\u1ed3n n\u0103ng l\u01b0\u1ee3ng d\u1ef1 tr\u1eef chung n\u00e0y \u0111\u1ec3 giao ti\u1ebfp.<\/div>\n<p>&nbsp;<\/p>\n<h2 class=\"auto-hide-last-sibling-br paragraph_c9271 paragraph-element\"><span class=\"ez-toc-section\" id=\"Exploring_NFC_Operating_Modes\"><\/span><strong>Kh\u00e1m ph\u00e1 ch\u1ebf \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a NFC<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&nbsp;<\/p>\n<div class=\"auto-hide-last-sibling-br paragraph_c9271 paragraph-element\">C\u00f4ng ngh\u1ec7 NFC c\u00f3 kh\u1ea3 n\u0103ng \u00e1p d\u1ee5ng ba ch\u1ebf \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng ch\u00ednh, m\u1ed7i ch\u1ebf \u0111\u1ed9 c\u00f3 kh\u1ea3 n\u0103ng tu\u00e2n th\u1ee7 v\u00e0 \u1ee9ng d\u1ee5ng ri\u00eang:<\/div>\n<p>&nbsp;<\/p>\n<ol class=\"auto-hide-last-sibling-br\">\n<li>\n<div class=\"auto-hide-last-sibling-br paragraph_c9271 paragraph-element\"><strong>Ch\u1ebf \u0111\u1ed9 \u0111\u1ecdc\/ghi<\/strong>: Ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt ISO\/IEC 14443 v\u00e0 FeliCa, ch\u1ebf \u0111\u1ed9 n\u00e0y trang b\u1ecb cho thi\u1ebft b\u1ecb NFC kh\u1ea3 n\u0103ng x\u1eed l\u00fd th\u00f4ng tin t\u1eeb th\u1ebb. Th\u1ebb n\u00e0y, th\u01b0\u1eddng \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p v\u1edbi \u00e1p ph\u00edch ho\u1eb7c nh\u00e3n d\u00e1n th\u00f4ng minh, th\u1ec3 hi\u1ec7n b\u1ea3n ch\u1ea5t c\u1ee7a vi\u1ec7c qu\u1ea3n l\u00fd v\u00e0 ph\u1ed5 bi\u1ebfn d\u1eef li\u1ec7u kh\u00f4ng ti\u1ebfp x\u00fac.<\/div>\n<\/li>\n<li>\n<div class=\"auto-hide-last-sibling-br paragraph_c9271 paragraph-element\"><strong>Ch\u1ebf \u0111\u1ed9 ngang h\u00e0ng<\/strong>: Tu\u00e2n th\u1ee7 nghi\u00eam ng\u1eb7t c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt ti\u00eau chu\u1ea9n ISO\/IEC 18092, ch\u1ebf \u0111\u1ed9 t\u1ef1 cung t\u1ef1 c\u1ea5p n\u00e0y \u0111\u1eb7t n\u1ec1n t\u1ea3ng cho giao ti\u1ebfp tr\u1ef1c ti\u1ebfp gi\u1eefa c\u00e1c thi\u1ebft b\u1ecb h\u1ed7 tr\u1ee3 NFC. N\u00f3 t\u1ea1o \u0111i\u1ec1u ki\u1ec7n cho nhi\u1ec1u lo\u1ea1i trao \u0111\u1ed5i\u2014t\u1eeb vi\u1ec7c kh\u1edfi t\u1ea1o c\u00e1c \u0111i\u1ec3m k\u1ebft n\u1ed1i Bluetooth ho\u1eb7c WLAN \u0111\u1ebfn vi\u1ec7c trao \u0111\u1ed5i \u1ea3nh ch\u1ee5p nhanh k\u1ef9 thu\u1eadt s\u1ed1 ho\u1eb7c danh thi\u1ebfp \u0111i\u1ec7n t\u1eed, l\u00e0m phong ph\u00fa th\u00eam t\u01b0\u01a1ng t\u00e1c v\u00e0 k\u1ebft n\u1ed1i c\u1ee7a ng\u01b0\u1eddi d\u00f9ng.<\/div>\n<\/li>\n<li>\n<div class=\"auto-hide-last-sibling-br paragraph_c9271 paragraph-element\"><strong>Ch\u1ebf \u0111\u1ed9 thi \u0111ua th\u1ebb<\/strong>: Ch\u1ebf \u0111\u1ed9 h\u1ea5p d\u1eabn n\u00e0y cho ph\u00e9p thi\u1ebft b\u1ecb NFC m\u1ea1o danh th\u1ebb th\u00f4ng minh, do \u0111\u00f3 l\u00e0 &#039;m\u00f4 ph\u1ecfng th\u1ebb&#039;. B\u1eb1ng c\u00e1ch cho ph\u00e9p \u0111\u1ea7u \u0111\u1ecdc NFC truy c\u1eadp m\u1eb7c d\u00f9 \u0111\u1ecdc d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef tr\u00ean th\u1ebb, ch\u1ebf \u0111\u1ed9 n\u00e0y \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c v\u00f4 s\u1ed1 \u1ee9ng d\u1ee5ng t\u1eeb b\u00e1n v\u00e9 v\u00e0 mua h\u00e0ng \u0111\u1ebfn c\u01a1 ch\u1ebf ki\u1ec3m so\u00e1t truy c\u1eadp cho h\u1ec7 th\u1ed1ng giao th\u00f4ng c\u00f4ng c\u1ed9ng. K\u00eanh giao ti\u1ebfp hai chi\u1ec1u n\u00e0y c\u1ee7ng c\u1ed1 th\u00eam t\u00ednh linh ho\u1ea1t v\u00e0 ti\u1ec7n \u00edch c\u1ee7a c\u00f4ng ngh\u1ec7 NFC, ph\u1ea3n \u00e1nh b\u1ea3n thi\u1ebft k\u1ebf ho\u1ea1t \u0111\u1ed9ng c\u1ee7a th\u1ebb th\u00f4ng minh th\u00f4ng th\u01b0\u1eddng.<\/div>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<h2 class=\"auto-hide-last-sibling-br paragraph_c9271 paragraph-element\"><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span><strong>Ph\u1ea7n k\u1ebft lu\u1eadn<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&nbsp;<\/p>\n<div class=\"auto-hide-last-sibling-br paragraph_c9271 paragraph-element\">S\u1ef1 t\u00edch h\u1ee3p c\u1ed9ng sinh gi\u1eefa c\u00f4ng ngh\u1ec7 v\u00e0 ti\u1ec7n \u00edch c\u1ee7a NFC b\u00e1o hi\u1ec7u m\u1ed9t k\u1ef7 nguy\u00ean m\u1edbi trong l\u0129nh v\u1ef1c truy\u1ec1n th\u00f4ng kh\u00f4ng d\u00e2y, t\u1ea1o \u0111i\u1ec1u ki\u1ec7n cho m\u1ed9t h\u1ec7 sinh th\u00e1i k\u1ef9 thu\u1eadt s\u1ed1 \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i \u0111\u00e1p \u1ee9ng nhu c\u1ea7u trao \u0111\u1ed5i d\u1eef li\u1ec7u li\u1ec1n m\u1ea1ch, an to\u00e0n v\u00e0 nhanh ch\u00f3ng c\u1ee7a ch\u00fang ta. Th\u00f4ng qua c\u00e1c ch\u1ebf \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng v\u00e0 \u1ee9ng d\u1ee5ng \u0111a d\u1ea1ng, NFC kh\u00f4ng ch\u1ec9 \u0111\u01a1n gi\u1ea3n h\u00f3a c\u00e1c giao d\u1ecbch v\u00e0 t\u01b0\u01a1ng t\u00e1c h\u00e0ng ng\u00e0y m\u00e0 c\u00f2n \u0111\u1eb7t n\u1ec1n t\u1ea3ng cho m\u1ed9t t\u01b0\u01a1ng lai m\u00e0 k\u1ebft n\u1ed1i d\u1ec5 d\u00e0ng, tr\u1ef1c quan v\u00e0 ph\u1ed5 bi\u1ebfn.<\/div>","protected":false},"excerpt":{"rendered":"<p>B\u1ea3n ch\u1ea5t c\u1ee7a NFC Giao ti\u1ebfp tr\u01b0\u1eddng g\u1ea7n (NFC) l\u00e0 c\u00f4ng ngh\u1ec7 giao ti\u1ebfp kh\u00f4ng d\u00e2y ti\u00ean phong \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng d\u1ef1a tr\u00ean c\u00e1c nguy\u00ean t\u1eafc t\u01b0\u01a1ng t\u1ef1 nh\u01b0 ti\u00eau chu\u1ea9n Nh\u1eadn d\u1ea1ng t\u1ea7n s\u1ed1 v\u00f4 tuy\u1ebfn (RFID). K\u1ef3 quan c\u00f4ng ngh\u1ec7 n\u00e0y cho ph\u00e9p truy\u1ec1n d\u1eef li\u1ec7u li\u1ec1n m\u1ea1ch qua kho\u1ea3ng c\u00e1ch ng\u1eafn, theo truy\u1ec1n th\u1ed1ng l\u00e0 v\u00e0i milim\u00e9t, t\u1ef1 h\u00e0o c\u00f3 t\u1ed1c \u0111\u1ed9 truy\u1ec1n d\u1eef li\u1ec7u khi\u00eam t\u1ed1n trong ph\u1ea1m vi [\u2026]","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-2570","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/nfc-readers.com\/vi\/wp-json\/wp\/v2\/posts\/2570","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nfc-readers.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nfc-readers.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nfc-readers.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/nfc-readers.com\/vi\/wp-json\/wp\/v2\/comments?post=2570"}],"version-history":[{"count":1,"href":"https:\/\/nfc-readers.com\/vi\/wp-json\/wp\/v2\/posts\/2570\/revisions"}],"predecessor-version":[{"id":2572,"href":"https:\/\/nfc-readers.com\/vi\/wp-json\/wp\/v2\/posts\/2570\/revisions\/2572"}],"wp:attachment":[{"href":"https:\/\/nfc-readers.com\/vi\/wp-json\/wp\/v2\/media?parent=2570"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nfc-readers.com\/vi\/wp-json\/wp\/v2\/categories?post=2570"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nfc-readers.com\/vi\/wp-json\/wp\/v2\/tags?post=2570"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}