{"id":2558,"date":"2024-05-24T02:02:50","date_gmt":"2024-05-24T02:02:50","guid":{"rendered":"https:\/\/nfc-readers.com\/?p=2558"},"modified":"2024-05-24T02:02:50","modified_gmt":"2024-05-24T02:02:50","slug":"difference-between-nfc-a-nfc-b-and-nfc-f","status":"publish","type":"post","link":"https:\/\/nfc-readers.com\/da\/difference-between-nfc-a-nfc-b-and-nfc-f\/","title":{"rendered":"Forskellen mellem NFC-A, NFC-B og NFC-F"},"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\">Indholdsfortegnelse<\/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=\"Skift indholdsfortegnelse\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Skift<\/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\/da\/difference-between-nfc-a-nfc-b-and-nfc-f\/#Introduction\" title=\"Indledning\">Indledning<\/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\/da\/difference-between-nfc-a-nfc-b-and-nfc-f\/#NFC-A_ISOIEC_14443A\" title=\"NFC-A: ISO\/IEC 14443A\">NFC-A: ISO\/IEC 14443A<\/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\/da\/difference-between-nfc-a-nfc-b-and-nfc-f\/#NFC-B_ISOIEC_14443B\" title=\"NFC-B: ISO\/IEC 14443B\">NFC-B: ISO\/IEC 14443B<\/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\/da\/difference-between-nfc-a-nfc-b-and-nfc-f\/#NFC-F_JIS_X6319-4_FeliCa\" title=\"NFC-F: JIS X6319-4 (FeliCa)\">NFC-F: JIS X6319-4 (FeliCa)<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"auto-hide-last-sibling-br paragraph_c9271 paragraph-element\"><span class=\"ez-toc-section\" id=\"Introduction\"><\/span><strong>Indledning<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<div class=\"auto-hide-last-sibling-br paragraph_c9271 paragraph-element\"><br class=\"container_a4d0b wrapper_d536d undefined\" \/>Omfanget af Near Field Communication (NFC) str\u00e6kker sig globalt, med dets centrale rolle i at muligg\u00f8re lav datahastighed, kortdistancekommunikation. Kommunikation mellem enheder i NFC er styret af definerede protokoller - NFC-A, NFC-B og NFC-F - som hver giver en unik signalramme for informationsudvekslingsprocessen. Da NFC er ul\u00f8seligt forbundet med radiofrekvensidentifikation (<a href=\"https:\/\/nfc-readers.com\/da\/Wholesale\/rfid-nfc-reader\/\">RFID<\/a>) teknologi, har disse signaltilstande ligheder med RFID-typer, skr\u00e6ddersyet til specifikke anvendelsestilf\u00e6lde og regionale pr\u00e6ferencer. Oversigten nedenfor afgr\u00e6nser nuancerne blandt disse NFC-signaleringstyper.<\/div>\n<p>&nbsp;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone  wp-image-2559\" src=\"https:\/\/nfc-readers.com\/wp-content\/uploads\/2024\/05\/How-Does-NFC-Work-300x150.jpg\" alt=\"\" width=\"504\" height=\"252\" srcset=\"https:\/\/nfc-readers.com\/wp-content\/uploads\/2024\/05\/How-Does-NFC-Work-300x150.jpg 300w, https:\/\/nfc-readers.com\/wp-content\/uploads\/2024\/05\/How-Does-NFC-Work-768x384.jpg 768w, https:\/\/nfc-readers.com\/wp-content\/uploads\/2024\/05\/How-Does-NFC-Work-18x9.jpg 18w, https:\/\/nfc-readers.com\/wp-content\/uploads\/2024\/05\/How-Does-NFC-Work-600x300.jpg 600w, https:\/\/nfc-readers.com\/wp-content\/uploads\/2024\/05\/How-Does-NFC-Work.jpg 1000w\" sizes=\"auto, (max-width: 504px) 100vw, 504px\" \/><\/p>\n<div class=\"auto-hide-last-sibling-br paragraph_c9271 paragraph-element\"><strong>Forst\u00e5else af NFC-signaltilstande<\/strong><\/div>\n<p>&nbsp;<\/p>\n<h2 class=\"auto-hide-last-sibling-br paragraph_c9271 paragraph-element\"><span class=\"ez-toc-section\" id=\"NFC-A_ISOIEC_14443A\"><\/span><strong>NFC-A: ISO\/IEC 14443A<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&nbsp;<\/p>\n<ul class=\"auto-hide-last-sibling-br\">\n<li><strong>Signaleringsfond<\/strong>: stammer fra ISO\/IEC 14443A, sammenlignelig med RFID Type A.<\/li>\n<li><strong>Kodningsteknik<\/strong>: Bruger forsinkelseskodning (Miller-kodning) kombineret med Amplitude Modulation (AM).<\/li>\n<li><strong>Modulationsspecifikationer<\/strong>: Transmission af bin\u00e6re data med en omtrentlig hastighed p\u00e5 106 Kbps, ved at anvende 0% til 100% signalniveauvariation til at differentiere bin\u00e6re v\u00e6rdier.<\/li>\n<li><strong>Dataforskel<\/strong>: En fuld overgang mellem signalniveauer angiver bin\u00e6r information, hvilket letter entydig datafortolkning.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h2 class=\"auto-hide-last-sibling-br paragraph_c9271 paragraph-element\"><span class=\"ez-toc-section\" id=\"NFC-B_ISOIEC_14443B\"><\/span><strong>NFC-B: ISO\/IEC 14443B<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&nbsp;<\/p>\n<ul class=\"auto-hide-last-sibling-br\">\n<li><strong>Signaleringsfond<\/strong>: Baseret p\u00e5 ISO\/IEC 14443B, afspejler RFID Type B.<\/li>\n<li><strong>Kodningsmetode<\/strong>: Implementerer Manchester-kodning, en metode, hvor datarepr\u00e6sentation er karakteriseret ved overgange frem for statiske niveauer.<\/li>\n<li><strong>Modulationsspecifikationer<\/strong>: Omfavner AM p\u00e5 en mere subtil 10%-niveau\u00e6ndring for at skelne bin\u00e6re data.<\/li>\n<li><strong>Dataforskel<\/strong>: Bin\u00e6r 0 er repr\u00e6senteret af et 90%-signal, der stiger til hele 100% for bin\u00e6r 1, med en foreskrevet nul-crossover ved hver bits midtpunkt for klarhedens skyld.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h2 class=\"auto-hide-last-sibling-br paragraph_c9271 paragraph-element\"><span class=\"ez-toc-section\" id=\"NFC-F_JIS_X6319-4_FeliCa\"><\/span><strong>NFC-F: JIS X6319-4 (FeliCa)<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&nbsp;<\/p>\n<ul class=\"auto-hide-last-sibling-br\">\n<li><strong>Signaleringsfond<\/strong>: Ligger p\u00e5 FeliCa-standarden under JIS X6319-4 og pr\u00e6senterer et accelereret RFID-kommunikationsformat.<\/li>\n<li><strong>Regional pr\u00e6ference<\/strong>: Har en dominerende tilstedev\u00e6relse i Japan med udbredt anvendelse.<\/li>\n<li><strong>Anvendelsesdiversitet<\/strong>: Integreret med finansielle transaktioner (kredit-\/betalingskort), adgang til massetransit (metrobilletter) og sikker identifikation (kontorer, boliger).<\/li>\n<li><strong>P\u00e5lidelighed<\/strong>: Kendt for sin effektivitet og hurtige behandling i brugermilj\u00f8er med h\u00f8j t\u00e6thed.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<div class=\"auto-hide-last-sibling-br paragraph_c9271 paragraph-element\">For en dybere forst\u00e5else af NFC, herunder driftstilstande, frekvens, datahastigheder, tagtyper, applikationer og signaleringsvarianter, kan man konsultere den omfattende\u00a0<a class=\"link_10ec3\" target=\"_blank\" rel=\"noopener\">NFC Basics artikel<\/a>. Denne ressource tilbyder en bred viden om NFC, der belyser, hvordan dens forskellige applikationer er blevet revolutioneret af forskellige signalprotokoller, der henvender sig til en r\u00e6kke industrier og funktionaliteter.<\/div>","protected":false},"excerpt":{"rendered":"<p>Introduktion Omfanget af Near Field Communication (NFC) str\u00e6kker sig globalt, med dets centrale rolle i at muligg\u00f8re lav datahastighed, kortdistancekommunikation. Kommunikation mellem enheder i NFC er styret af definerede protokoller - NFC-A, NFC-B og NFC-F - som hver giver en unik signalramme for informationsudvekslingsprocessen. Da NFC er ul\u00f8seligt forbundet med Radio-Frequency Identification (RFID) teknologi, er disse [\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-2558","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/nfc-readers.com\/da\/wp-json\/wp\/v2\/posts\/2558","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nfc-readers.com\/da\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nfc-readers.com\/da\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nfc-readers.com\/da\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/nfc-readers.com\/da\/wp-json\/wp\/v2\/comments?post=2558"}],"version-history":[{"count":1,"href":"https:\/\/nfc-readers.com\/da\/wp-json\/wp\/v2\/posts\/2558\/revisions"}],"predecessor-version":[{"id":2560,"href":"https:\/\/nfc-readers.com\/da\/wp-json\/wp\/v2\/posts\/2558\/revisions\/2560"}],"wp:attachment":[{"href":"https:\/\/nfc-readers.com\/da\/wp-json\/wp\/v2\/media?parent=2558"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nfc-readers.com\/da\/wp-json\/wp\/v2\/categories?post=2558"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nfc-readers.com\/da\/wp-json\/wp\/v2\/tags?post=2558"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}