{"id":2205,"date":"2024-04-23T02:43:08","date_gmt":"2024-04-23T02:43:08","guid":{"rendered":"https:\/\/nfc-readers.com\/?p=2205"},"modified":"2024-04-23T02:45:15","modified_gmt":"2024-04-23T02:45:15","slug":"what-are-the-application-characteristics-of-nfc-technology","status":"publish","type":"post","link":"https:\/\/nfc-readers.com\/vi\/what-are-the-application-characteristics-of-nfc-technology\/","title":{"rendered":"\u0110\u1eb7c \u0111i\u1ec3m \u1ee9ng d\u1ee5ng c\u1ee7a c\u00f4ng ngh\u1ec7 NFC l\u00e0 g\u00ec?"},"content":{"rendered":"

C\u00f4ng ngh\u1ec7 NFC<\/a> l\u00e0 m\u1ed9t lo\u1ea1i c\u00f4ng ngh\u1ec7 truy\u1ec1n th\u00f4ng kh\u00f4ng d\u00e2y t\u1ea7m g\u1ea7n, cho ph\u00e9p c\u00e1c thi\u1ebft b\u1ecb kh\u00e1c nhau trao \u0111\u1ed5i d\u1eef li\u1ec7u, \u0111\u1ea1t \u0111\u01b0\u1ee3c nhi\u1ec1u \u1ee9ng d\u1ee5ng kh\u00e1c nhau nh\u01b0 ki\u1ec3m so\u00e1t ra v\u00e0o, b\u00e1n v\u00e9, thanh to\u00e1n, ch\u01a1i game, v.v. C\u00f4ng ngh\u1ec7 NFC c\u00f3 nhi\u1ec1u \u01b0u \u0111i\u1ec3m nh\u01b0ng c\u0169ng c\u00f3 m\u1ed9t s\u1ed1 nh\u01b0\u1ee3c \u0111i\u1ec3m v\u00e0 th\u00e1ch th\u1ee9c.<\/p>\n

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Nh\u1eefng \u01b0u \u0111i\u1ec3m c\u1ee7a c\u00f4ng ngh\u1ec7 NFC nh\u01b0 sau:<\/div>\n
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B\u1ea3o m\u1eadt: C\u00f4ng ngh\u1ec7 NFC s\u1eed d\u1ee5ng c\u01a1 ch\u1ebf m\u00e3 h\u00f3a v\u00e0 x\u00e1c th\u1ef1c \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh b\u1ea3o m\u1eadt v\u00e0 to\u00e0n v\u1eb9n c\u1ee7a d\u1eef li\u1ec7u. \u0110\u1ed3ng th\u1eddi, v\u00ec ph\u1ea1m vi s\u1eed d\u1ee5ng c\u00f4ng ngh\u1ec7 NFC r\u1ea5t ng\u1eafn, th\u01b0\u1eddng trong v\u00f2ng 10 cm, \u0111i\u1ec1u n\u00e0y c\u0169ng l\u00e0m gi\u1ea3m nguy c\u01a1 b\u1ecb \u0111\u00e1nh c\u1eafp ho\u1eb7c can thi\u1ec7p d\u1eef li\u1ec7u.<\/div>\n
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T\u1ed1c \u0111\u1ed9: T\u1ed1c \u0111\u1ed9 truy\u1ec1n d\u1eef li\u1ec7u c\u1ee7a c\u00f4ng ngh\u1ec7 NFC t\u01b0\u01a1ng \u0111\u1ed1i cao, th\u01b0\u1eddng v\u00e0o kho\u1ea3ng 424kbps. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 \u0111\u00e1p \u1ee9ng m\u1ed9t s\u1ed1 \u1ee9ng d\u1ee5ng \u0111\u01a1n gi\u1ea3n, ch\u1eb3ng h\u1ea1n nh\u01b0 ki\u1ec3m so\u00e1t ra v\u00e0o, b\u00e1n v\u00e9, thanh to\u00e1n, v.v. \u0110\u1ed3ng th\u1eddi, th\u1eddi gian thi\u1ebft l\u1eadp k\u1ebft n\u1ed1i c\u1ee7a c\u00f4ng ngh\u1ec7 NFC r\u1ea5t ng\u1eafn, th\u01b0\u1eddng d\u01b0\u1edbi 0,1 gi\u00e2y. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n tr\u1ea3i nghi\u1ec7m v\u00e0 hi\u1ec7u qu\u1ea3 c\u1ee7a ng\u01b0\u1eddi d\u00f9ng.<\/div>\n
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Ti\u00eau th\u1ee5 n\u0103ng l\u01b0\u1ee3ng th\u1ea5p: C\u00f4ng ngh\u1ec7 NFC ti\u00eau th\u1ee5 \u0111i\u1ec7n n\u0103ng r\u1ea5t th\u1ea5p, th\u01b0\u1eddng d\u01b0\u1edbi 15mW. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd v\u00e0 tu\u1ed5i th\u1ecd pin c\u1ee7a thi\u1ebft b\u1ecb. \u0110\u1ed3ng th\u1eddi, c\u00f4ng ngh\u1ec7 NFC c\u0169ng h\u1ed7 tr\u1ee3 ch\u1ebf \u0111\u1ed9 th\u1ee5 \u0111\u1ed9ng, t\u1ee9c l\u00e0 ch\u1ec9 c\u1ea7n c\u1ea5p ngu\u1ed3n cho m\u1ed9t thi\u1ebft b\u1ecb, thi\u1ebft b\u1ecb c\u00f2n l\u1ea1i c\u00f3 th\u1ec3 l\u1ea5y n\u0103ng l\u01b0\u1ee3ng t\u1eeb tr\u01b0\u1eddng \u0111i\u1ec7n t\u1eeb. \u0110i\u1ec1u n\u00e0y ti\u1ebft ki\u1ec7m t\u00e0i nguy\u00ean v\u00e0 chi ph\u00ed.<\/div>\n
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Chi ph\u00ed th\u1ea5p: Chi ph\u00ed ph\u1ea7n c\u1ee9ng c\u1ee7a c\u00f4ng ngh\u1ec7 NFC t\u01b0\u01a1ng \u0111\u1ed1i th\u1ea5p, th\u01b0\u1eddng d\u01b0\u1edbi $1. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m chi ph\u00ed s\u1ea3n xu\u1ea5t thi\u1ebft b\u1ecb v\u00e0 chi ph\u00ed mua h\u00e0ng c\u1ee7a ng\u01b0\u1eddi d\u00f9ng. \u0110\u1ed3ng th\u1eddi, c\u00f4ng ngh\u1ec7 NFC c\u0169ng h\u1ed7 tr\u1ee3 s\u1eed d\u1ee5ng gi\u1ea5y, nh\u1ef1a v\u00e0 c\u00e1c v\u1eadt li\u1ec7u kh\u00e1c l\u00e0m nh\u00e3n NFC, nh\u1eefng nh\u00e3n n\u00e0y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c nh\u00fang v\u00e0o nhi\u1ec1u lo\u1ea1i m\u1eb7t h\u00e0ng, \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c s\u1ef1 th\u00f4ng minh v\u00e0 t\u01b0\u01a1ng t\u00e1c.<\/div>\n
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Nh\u1eefng nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a c\u00f4ng ngh\u1ec7 NFC ch\u1ee7 y\u1ebfu bao g\u1ed3m c\u00e1c kh\u00eda c\u1ea1nh sau:<\/div>\n
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T\u00ednh ph\u1ed5 bi\u1ebfn: T\u00ednh ph\u1ed5 bi\u1ebfn c\u1ee7a c\u00f4ng ngh\u1ec7 NFC \u0111\u00f2i h\u1ecfi ph\u1ea3i c\u00f3 m\u1ed9t s\u1ed1 l\u01b0\u1ee3ng l\u1edbn c\u00e1c thi\u1ebft b\u1ecb ph\u1ea7n c\u1ee9ng h\u1ed7 tr\u1ee3, ch\u1eb3ng h\u1ea1n nh\u01b0 \u0111i\u1ec7n tho\u1ea1i di \u0111\u1ed9ng NFC, \u0111\u1ea7u \u0111\u1ecdc NFC<\/a>, Nh\u00e3n NFC<\/a> v.v. Vi\u1ec7c tri\u1ec3n khai v\u00e0 b\u1ea3o tr\u00ec c\u00e1c thi\u1ebft b\u1ecb n\u00e0y \u0111\u00f2i h\u1ecfi chi ph\u00ed v\u00e0 th\u1eddi gian, c\u00e1c ti\u00eau chu\u1ea9n v\u00e0 quy \u0111\u1ecbnh c\u1ea7n ph\u1ea3i th\u1ed1ng nh\u1ea5t \u1edf m\u1ecdi kh\u00eda c\u1ea1nh. Hi\u1ec7n t\u1ea1i, c\u00e1c thi\u1ebft b\u1ecb v\u00e0 \u1ee9ng d\u1ee5ng NFC tr\u00ean th\u1ecb tr\u01b0\u1eddng ch\u01b0a \u0111\u1ee7 th\u1ed1ng nh\u1ea5t v\u00e0 chu\u1ea9n h\u00f3a, c\u00f3 th\u1ec3 x\u1ea3y ra t\u00ecnh tr\u1ea1ng kh\u00f4ng t\u01b0\u01a1ng th\u00edch ho\u1eb7c kh\u00f4ng t\u01b0\u01a1ng th\u00edch gi\u1eefa c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t v\u00e0 n\u1ec1n t\u1ea3ng kh\u00e1c nhau.<\/div>\n
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Kho\u1ea3ng c\u00e1ch s\u1eed d\u1ee5ng: Kho\u1ea3ng c\u00e1ch s\u1eed d\u1ee5ng c\u00f4ng ngh\u1ec7 NFC r\u1ea5t ng\u1eafn, th\u01b0\u1eddng trong v\u00f2ng 10 cm. \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 ng\u01b0\u1eddi d\u00f9ng c\u1ea7n ph\u1ea3i gi\u1eef \u0111i\u1ec7n tho\u1ea1i ho\u1eb7c thi\u1ebft b\u1ecb kh\u00e1c c\u1ee7a m\u00ecnh g\u1ea7n \u0111\u1ea7u \u0111\u1ecdc ho\u1eb7c th\u1ebb NFC \u0111\u1ec3 trao \u0111\u1ed5i d\u1eef li\u1ec7u. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn tr\u1ea3i nghi\u1ec7m c\u1ee7a ng\u01b0\u1eddi d\u00f9ng v\u00e0 c\u1ea3m gi\u00e1c an to\u00e0n, v\u00ed d\u1ee5, khi s\u1eed d\u1ee5ng thanh to\u00e1n NFC trong \u0111\u00e1m \u0111\u00f4ng, ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 lo l\u1eafng r\u1eb1ng \u0111i\u1ec7n tho\u1ea1i c\u1ee7a h\u1ecd s\u1ebd b\u1ecb ng\u01b0\u1eddi kh\u00e1c l\u1ea5y c\u1eafp ho\u1eb7c ch\u1ea1m v\u00e0o c\u00e1c thi\u1ebft b\u1ecb kh\u00e1c do nh\u1ea7m l\u1eabn.<\/div>\n
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T\u1ed1c \u0111\u1ed9 truy\u1ec1n d\u1eef li\u1ec7u: T\u1ed1c \u0111\u1ed9 truy\u1ec1n d\u1eef li\u1ec7u c\u1ee7a c\u00f4ng ngh\u1ec7 NFC t\u01b0\u01a1ng \u0111\u1ed1i th\u1ea5p, th\u01b0\u1eddng v\u00e0o kho\u1ea3ng 424kbps. T\u1ed1c \u0111\u1ed9 n\u00e0y c\u00f3 th\u1ec3 \u0111\u1ee7 cho m\u1ed9t s\u1ed1 \u1ee9ng d\u1ee5ng \u0111\u01a1n gi\u1ea3n nh\u01b0 ki\u1ec3m so\u00e1t ra v\u00e0o, b\u00e1n v\u00e9, thanh to\u00e1n, v.v. Nh\u01b0ng \u0111\u1ed1i v\u1edbi m\u1ed9t s\u1ed1 \u1ee9ng d\u1ee5ng c\u1ea7n truy\u1ec1n d\u1eef li\u1ec7u l\u1edbn nh\u01b0 nh\u1ea1c, video, tr\u00f2 ch\u01a1i, v.v., t\u1ed1c \u0111\u1ed9 n\u00e0y c\u00f3 th\u1ec3 kh\u00f4ng \u0111\u1ee7. Ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 ph\u1ea3i \u0111\u1ee3i r\u1ea5t l\u00e2u \u0111\u1ec3 ho\u00e0n t\u1ea5t trao \u0111\u1ed5i d\u1eef li\u1ec7u.<\/div>\n
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C\u00f4ng ngh\u1ec7 NFC l\u00e0 c\u00f4ng ngh\u1ec7 truy\u1ec1n th\u00f4ng kh\u00f4ng d\u00e2y t\u1ea7m g\u1ea7n \u0111\u1ea7y h\u1ee9a h\u1eb9n. N\u00f3 c\u00f3 nhi\u1ec1u \u01b0u \u0111i\u1ec3m, nh\u01b0ng c\u0169ng c\u00f3 m\u1ed9t s\u1ed1 nh\u01b0\u1ee3c \u0111i\u1ec3m v\u00e0 th\u00e1ch th\u1ee9c. Ch\u00fang ta c\u1ea7n hi\u1ec3u \u0111\u1ea7y \u0111\u1ee7 v\u00e0 s\u1eed d\u1ee5ng nh\u1eefng \u01b0u \u0111i\u1ec3m c\u1ee7a c\u00f4ng ngh\u1ec7 NFC, nh\u01b0ng c\u0169ng ch\u00fa \u00fd gi\u1ea3i quy\u1ebft v\u00e0 kh\u1eafc ph\u1ee5c nh\u1eefng thi\u1ebfu s\u00f3t c\u1ee7a c\u00f4ng ngh\u1ec7 NFC. Ch\u1ec9 b\u1eb1ng c\u00e1ch n\u00e0y, ch\u00fang ta m\u1edbi c\u00f3 th\u1ec3 t\u1eadn h\u01b0\u1edfng t\u1ed1t h\u01a1n s\u1ef1 ti\u1ec7n l\u1ee3i v\u00e0 th\u00fa v\u1ecb m\u00e0 c\u00f4ng ngh\u1ec7 NFC mang l\u1ea1i.<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"

C\u00f4ng ngh\u1ec7 NFC l\u00e0 m\u1ed9t lo\u1ea1i c\u00f4ng ngh\u1ec7 truy\u1ec1n th\u00f4ng kh\u00f4ng d\u00e2y t\u1ea7m g\u1ea7n, n\u00f3 c\u00f3 th\u1ec3 cho ph\u00e9p c\u00e1c thi\u1ebft b\u1ecb kh\u00e1c nhau trao \u0111\u1ed5i d\u1eef li\u1ec7u, \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c nhi\u1ec1u \u1ee9ng d\u1ee5ng kh\u00e1c nhau, ch\u1eb3ng h\u1ea1n nh\u01b0 ki\u1ec3m so\u00e1t truy c\u1eadp, b\u00e1n v\u00e9, thanh to\u00e1n, ch\u01a1i game, v.v. C\u00f4ng ngh\u1ec7 NFC c\u00f3 nhi\u1ec1u \u01b0u \u0111i\u1ec3m, nh\u01b0ng n\u00f3 c\u0169ng c\u00f3 m\u1ed9t s\u1ed1 nh\u01b0\u1ee3c \u0111i\u1ec3m v\u00e0 th\u00e1ch th\u1ee9c. \u01afu \u0111i\u1ec3m c\u1ee7a c\u00f4ng ngh\u1ec7 NFC nh\u01b0 sau: B\u1ea3o m\u1eadt: [\u2026]","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1,42,44],"tags":[],"class_list":["post-2205","post","type-post","status-publish","format-standard","hentry","category-uncategorized","category-nfc-ic-reader","category-ntag-card"],"_links":{"self":[{"href":"https:\/\/nfc-readers.com\/vi\/wp-json\/wp\/v2\/posts\/2205","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=2205"}],"version-history":[{"count":4,"href":"https:\/\/nfc-readers.com\/vi\/wp-json\/wp\/v2\/posts\/2205\/revisions"}],"predecessor-version":[{"id":2212,"href":"https:\/\/nfc-readers.com\/vi\/wp-json\/wp\/v2\/posts\/2205\/revisions\/2212"}],"wp:attachment":[{"href":"https:\/\/nfc-readers.com\/vi\/wp-json\/wp\/v2\/media?parent=2205"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nfc-readers.com\/vi\/wp-json\/wp\/v2\/categories?post=2205"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nfc-readers.com\/vi\/wp-json\/wp\/v2\/tags?post=2205"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}