{"id":3627,"date":"2015-08-17T22:50:00","date_gmt":"2015-08-17T15:50:00","guid":{"rendered":"http:\/\/192.168.1.47\/?p=3627"},"modified":"2024-03-27T16:50:58","modified_gmt":"2024-03-27T09:50:58","slug":"su-khac-biet-giua-rfid-va-nfc","status":"publish","type":"post","link":"https:\/\/eplusi.net\/en\/news\/su-khac-biet-giua-rfid-va-nfc\/","title":{"rendered":"S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa RFID v\u00e0 NFC"},"content":{"rendered":"
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RFID v\u00e0 NFC l\u00e0 hai c\u00f4ng ngh\u1ec7 truy\u1ec1n d\u1eef li\u1ec7u kh\u00f4ng d\u00e2y li\u00ean quan ch\u1eb7t ch\u1ebd v\u1edbi nhau \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng tr\u00ean to\u00e0n c\u1ea7u, \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng v\u1edbi s\u1ed1 l\u01b0\u1ee3ng l\u1edbn trong vi\u1ec7c ki\u1ec3m so\u00e1t truy c\u1eadp, theo d\u00f5i t\u00e0i s\u1ea3n v\u00e0 thanh to\u00e1n kh\u00f4ng ti\u1ebfp x\u00fac. RFID l\u1ea7n \u0111\u1ea7u ti\u00ean \u0111\u01b0\u1ee3c c\u1ea5p b\u1eb1ng s\u00e1ng ch\u1ebf v\u00e0o n\u0103m 1983 v\u00e0 l\u00e0 ti\u1ec1n th\u00e2n c\u1ee7a c\u00f4ng ngh\u1ec7 NFC. <\/strong><\/em><\/span><\/p>

Radio Frequency Identification (RFID)<\/strong><\/span><\/p>

RFID giao ti\u1ebfp v\u1edbi nhau qua chu\u1ea9n kh\u00f4ng d\u00e2y, bao g\u1ed3m 2 th\u00e0nh ph\u1ea7n th\u1ebb RFID th\u1ee5 \u0111\u1ed9ng kh\u00f4ng c\u00f3 ngu\u1ed3n nu\u00f4i v\u00e0 m\u1ed9t \u0111\u1ea7u \u0111\u1ecdc RFID. Th\u1ebb RFID c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c qu\u00e9t \u1edf kho\u1ea3ng c\u00e1ch l\u00ean \u0111\u1ebfn 100 m\u00e9t m\u00e0 kh\u00f4ng c\u1ea7n k\u1ebft n\u1ed1i c\u00f3 d\u00e2y, v\u1edbi kh\u1ea3 n\u0103ng \u0111\u00f3 RFID \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng tr\u00ean to\u00e0n c\u1ea7u \u0111\u1ec3 theo d\u00f5i t\u00e0i s\u1ea3n trong kho, ki\u1ec3m so\u00e1t h\u00e0nh l\u00fd \u1edf s\u00e2n bay, nh\u1eadn d\u1ea1ng v\u1eadt nu\u00f4i v\u00e0 nhi\u1ec1u h\u01a1n n\u1eefa. RFID ho\u1ea1t \u0111\u1ed9ng \u1edf ph\u1ea1m vi v\u00e0 t\u1ea7n s\u1ed1 v\u00f4 tuy\u1ebfn kh\u00e1c nhau v\u00e0 c\u00f3 ti\u00eau chu\u1ea9n thi\u1ebft l\u1eadp ri\u00eang v\u1edbi c\u00e1c giao th\u1ee9c.<\/span><\/p>

\"\"<\/span><\/p>

Near Field Communication (NFC)<\/strong><\/span><\/p>

NFC ho\u1ea1t \u0111\u1ed9ng \u1edf t\u1ea7n s\u1ed1 13.56 Mhz v\u00e0 m\u1ed9t ph\u1ea7n m\u1edf r\u1ed9ng c\u1ee7a chu\u1ea9n RFID t\u1ea7n s\u1ed1 cao (HF). Do \u0111\u00f3 NFC v\u00e0 RFID c\u00f3 nhi\u1ec1u \u0111\u1eb7c t\u00ednh gi\u1ed1ng nhau v\u1ec1 t\u1ea7n s\u1ed1 v\u00e0 chu\u1ea9n giao ti\u1ebfp. Tuy nhi\u00ean c\u00f3 3 s\u1ef1 kh\u00e1c bi\u1ec7t quan tr\u1ecdng.<\/span><\/p>

1 . NFC \u0111\u01b0\u1ee3c giao ti\u1ebfp gi\u1eefa 2 thi\u1ebft b\u1ecb c\u00f3 c\u00f9ng chu\u1ea9n NFC v\u1edbi thao t\u00e1c ch\u1ea1m, b\u1ea1n c\u00f3 th\u1ec3 chia s\u1ebd d\u1eef li\u1ec7u theo chu\u1ea9n peer-to- peer (P2P).<\/span><\/p>

2 . NFC giao ti\u1ebfp t\u1ea7m g\u1ea7n c\u00f3 th\u1ec3 truy\u1ec1n nh\u1eadn d\u1eef li\u1ec7u \u1edf kho\u1ea3ng c\u00e1ch 4cm.<\/span><\/p>

3 . M\u1ed7i l\u1ea7n qu\u00e9t th\u1ebb ch\u1ec9 c\u00f3 1 th\u1ebb \u0111\u01b0\u1ee3c qu\u00e9t v\u00e0 truy\u1ec1n nh\u1eadn d\u1eef li\u1ec7u.<\/span><\/p>

C\u00e1c t\u00ednh n\u0103ng n\u00e0y \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n \u0111\u1ec3 d\u00f9ng trong \u1ee9ng d\u1ee5ng thanh to\u00e1n tr\u00ean \u0111i\u1ec7n tho\u1ea1i di \u0111\u1ed9ng, n\u00f3 an to\u00e0n v\u00ec NFC trao \u0111\u1ed5i d\u1eef li\u1ec7u \u1edf kho\u1ea3ng c\u00e1ch ng\u1eafn. H\u1ea7u h\u1ebft c\u00e1c \u0111i\u1ec7n tho\u1ea1i th\u00f4ng minh \u0111\u1ec1u \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p c\u00f4ng ngh\u1ec7 NFC \u0111\u00e2y l\u00e0 m\u1ed9t l\u1ee3i th\u1ebf c\u1ee7a NFC v\u00e0 \u0111i\u1ec1u n\u00e0y c\u00f3 l\u1ebd l\u00e0 s\u1ef1 kh\u00e1c bi\u1ec7t quan tr\u1ecdng nh\u1ea5t gi\u1eefa NFC v\u00e0 RFID.<\/span><\/p>

\u0110i\u1ec7n tho\u1ea1i h\u1ed7 tr\u1ee3 NFC cung c\u1ea5p cho ng\u01b0\u1eddi s\u1eed d\u1ee5ng s\u1ef1 tho\u1ea3i m\u00e1i v\u00e0 th\u00fa v\u1ecb tr\u1ef1c quan khi ch\u1ec9 c\u1ea7n ch\u1ea1m 2 chi\u1ebfc \u0111i\u1ec7n tho\u1ea1i di \u0111\u1ed9ng v\u1edbi nhau ho\u1eb7c gi\u1eefa \u0111i\u1ec7n tho\u1ea1i di \u0111\u1ed9ng v\u1edbi m\u1ed9t th\u1ebb NFC l\u00e0 c\u00f3 th\u1ec3 trao \u0111\u1ed5i d\u1eef li\u1ec7u d\u1ec5 d\u00e0ng. V\u00ed d\u1ee5 nh\u01b0 chia s\u1ebd t\u1eadp tin th\u00f4ng qua \u0111i\u1ec7n tho\u1ea1i Android, thi\u1ebft l\u1eadp k\u1ebft n\u1ed1i nhanh gi\u1eefa c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed v\u00e0 kh\u1ea3 n\u0103ng li\u00ean k\u1ebft c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng s\u1eed d\u1ee5ng h\u00e0ng ng\u00e0y nh\u01b0 c\u00e1c \u1ee9ng d\u1ee5ng gi\u1ea3i tr\u00ed.<\/span><\/p>

\"\"<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"

RFID v\u00e0 NFC l\u00e0 hai c\u00f4ng ngh\u1ec7 truy\u1ec1n d\u1eef li\u1ec7u kh\u00f4ng d\u00e2y li\u00ean quan ch\u1eb7t ch\u1ebd v\u1edbi nhau \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng tr\u00ean to\u00e0n c\u1ea7u, \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng v\u1edbi s\u1ed1 l\u01b0\u1ee3ng l\u1edbn trong vi\u1ec7c ki\u1ec3m so\u00e1t truy c\u1eadp, theo d\u00f5i t\u00e0i s\u1ea3n v\u00e0 thanh to\u00e1n kh\u00f4ng ti\u1ebfp x\u00fac. RFID l\u1ea7n \u0111\u1ea7u ti\u00ean \u0111\u01b0\u1ee3c c\u1ea5p b\u1eb1ng s\u00e1ngContinue reading “S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa RFID v\u00e0 NFC”<\/span><\/a><\/p>","protected":false},"author":3,"featured_media":3490,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_uf_show_specific_survey":0,"_uf_disable_surveys":false},"categories":[7],"tags":[],"_links":{"self":[{"href":"https:\/\/eplusi.net\/en\/wp-json\/wp\/v2\/posts\/3627"}],"collection":[{"href":"https:\/\/eplusi.net\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/eplusi.net\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/eplusi.net\/en\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/eplusi.net\/en\/wp-json\/wp\/v2\/comments?post=3627"}],"version-history":[{"count":8,"href":"https:\/\/eplusi.net\/en\/wp-json\/wp\/v2\/posts\/3627\/revisions"}],"predecessor-version":[{"id":7758,"href":"https:\/\/eplusi.net\/en\/wp-json\/wp\/v2\/posts\/3627\/revisions\/7758"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/eplusi.net\/en\/wp-json\/wp\/v2\/media\/3490"}],"wp:attachment":[{"href":"https:\/\/eplusi.net\/en\/wp-json\/wp\/v2\/media?parent=3627"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/eplusi.net\/en\/wp-json\/wp\/v2\/categories?post=3627"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/eplusi.net\/en\/wp-json\/wp\/v2\/tags?post=3627"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}