{"id":2696,"date":"2024-05-31T01:42:59","date_gmt":"2024-05-31T01:42:59","guid":{"rendered":"https:\/\/nfc-readers.com\/?p=2696"},"modified":"2024-05-31T01:42:59","modified_gmt":"2024-05-31T01:42:59","slug":"classification-of-rfid-tags","status":"publish","type":"post","link":"https:\/\/nfc-readers.com\/da\/classification-of-rfid-tags\/","title":{"rendered":"Klassificering af RFID-tags"},"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\/classification-of-rfid-tags\/#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\/classification-of-rfid-tags\/#Classification_by_Power_Supply_Mode\" title=\"Klassificering efter str\u00f8mforsyningstilstand\">Klassificering efter str\u00f8mforsyningstilstand<\/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\/classification-of-rfid-tags\/#Classification_by_Carrier_Frequency\" title=\"Klassificering efter transport\u00f8rfrekvens\">Klassificering efter transport\u00f8rfrekvens<\/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\/classification-of-rfid-tags\/#Classification_by_Modulation_Methods\" title=\"Klassificering efter moduleringsmetoder\">Klassificering efter moduleringsmetoder<\/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\/da\/classification-of-rfid-tags\/#Classification_by_Operating_Distance\" title=\"Klassificering efter driftsafstand\">Klassificering efter driftsafstand<\/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\/da\/classification-of-rfid-tags\/#Classification_by_Chip\" title=\"Klassificering efter Chip\">Klassificering efter Chip<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/nfc-readers.com\/da\/classification-of-rfid-tags\/#Conclusion\" title=\"Konklusion\">Konklusion<\/a><\/li><\/ul><\/nav><\/div>\n<h2 id=\"introduction\" class=\"header_36220 auto-hide-last-sibling-br\"><span class=\"ez-toc-section\" id=\"Introduction\"><\/span>Indledning<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&nbsp;<\/p>\n<div class=\"auto-hide-last-sibling-br paragraph_1252f paragraph-element\">RFID (Radio Frequency Identification) tags kan kategoriseres p\u00e5 forskellige m\u00e5der baseret p\u00e5 forskellige kriterier. Denne artikel giver et dybdeg\u00e5ende kig p\u00e5 klassificeringen af <a href=\"https:\/\/nfc-readers.com\/da\/Wholesale\/nfc-tags\/\">RFID tags<\/a>, med fokus p\u00e5 deres str\u00f8mforsyningstilstande, b\u00e6refrekvenser, moduleringsmetoder, driftsafstande og chiptyper.<\/div>\n<figure id=\"attachment_2104\" aria-describedby=\"caption-attachment-2104\" style=\"width: 319px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/nfc-readers.com\/da\/Wholesale\/nfc-tags\/\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-2104\" src=\"https:\/\/nfc-readers.com\/wp-content\/uploads\/2024\/04\/H9ed7fd36dfa840d9808d310fe6e112e9h-288x300.jpg\" alt=\"RFID tag\" width=\"319\" height=\"332\" srcset=\"https:\/\/nfc-readers.com\/wp-content\/uploads\/2024\/04\/H9ed7fd36dfa840d9808d310fe6e112e9h-288x300.jpg 288w, https:\/\/nfc-readers.com\/wp-content\/uploads\/2024\/04\/H9ed7fd36dfa840d9808d310fe6e112e9h.jpg 601w\" sizes=\"auto, (max-width: 319px) 100vw, 319px\" \/><\/a><figcaption id=\"caption-attachment-2104\" class=\"wp-caption-text\"><a href=\"https:\/\/nfc-readers.com\/da\/Wholesale\/nfc-tags\/\">RFID tag<\/a><\/figcaption><\/figure>\n<h2 id=\"classification-by-power-supply-mode\" class=\"header_36220 auto-hide-last-sibling-br\"><span class=\"ez-toc-section\" id=\"Classification_by_Power_Supply_Mode\"><\/span>Klassificering efter str\u00f8mforsyningstilstand<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&nbsp;<\/p>\n<div class=\"auto-hide-last-sibling-br paragraph_1252f paragraph-element\">RFID-tags kan opdeles i to hovedtyper afh\u00e6ngigt af deres str\u00f8mforsyningstilstand: aktive tags og passive tags.<\/div>\n<p>&nbsp;<\/p>\n<ul class=\"auto-hide-last-sibling-br\">\n<li><strong>Aktive tags:<\/strong>\u00a0Disse tags indeholder et internt batteri, der leverer str\u00f8m, hvilket g\u00f8r dem i stand til at have en l\u00e6ngere r\u00e6kkevidde. De er dog mere omfangsrige, dyrere og har en begr\u00e6nset levetid, hvilket g\u00f8r dem mindre egnede til barske milj\u00f8er.<\/li>\n<li><strong>Passive tags:<\/strong>\u00a0Disse tags mangler et internt batteri og er afh\u00e6ngige af beam power-teknologi, som konverterer modtaget RF-energi til j\u00e6vnstr\u00f8m for at betjene taggens kredsl\u00f8b. Selvom deres r\u00e6kkevidde er kortere sammenlignet med aktive tags, er de mere holdbare og kr\u00e6ver ikke et h\u00f8jt driftsmilj\u00f8.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h2 id=\"classification-by-carrier-frequency\" class=\"header_36220 auto-hide-last-sibling-br\"><span class=\"ez-toc-section\" id=\"Classification_by_Carrier_Frequency\"><\/span>Klassificering efter transport\u00f8rfrekvens<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&nbsp;<\/p>\n<div class=\"auto-hide-last-sibling-br paragraph_1252f paragraph-element\">RFID-tags klassificeres ogs\u00e5 baseret p\u00e5 deres b\u00e6refrekvens, som kan v\u00e6re lav, mellem eller h\u00f8j.<\/div>\n<p>&nbsp;<\/p>\n<ul class=\"auto-hide-last-sibling-br\">\n<li><strong>Lavfrekvente (LF)-tags:<\/strong>\u00a0Disse tags, der opererer ved 125 kHz og 134,2 kHz, bruges i korte afstande, billige applikationer s\u00e5som adgangskontrol, campuskort, dyresporing og lastoverv\u00e5gning.<\/li>\n<li><strong>Tags med mellemfrekvens (IF):<\/strong>\u00a0Disse tags fungerer ved 13,56 MHz og bruges i adgangskontrol og systemer, der kr\u00e6ver betydelig datatransmission.<\/li>\n<li><strong>H\u00f8jfrekvente (HF)-tags:<\/strong>\u00a0Disse tags, der opererer i frekvenser som 433 MHz, 915 MHz, 2,45 GHz og 5,8 GHz, bruges i applikationer, der kr\u00e6ver lange l\u00e6se-\/skriveafstande og h\u00f8jhastighedsdataoverf\u00f8rsel, s\u00e5som togoverv\u00e5gning og opkr\u00e6vning af vejafgifter. Deres mere smalle antennestr\u00e5le og h\u00f8jere omkostninger g\u00f8r dem velegnede til specifikke opgaver med h\u00f8j pr\u00e6cision.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h2 id=\"classification-by-modulation-methods\" class=\"header_36220 auto-hide-last-sibling-br\"><span class=\"ez-toc-section\" id=\"Classification_by_Modulation_Methods\"><\/span>Klassificering efter moduleringsmetoder<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&nbsp;<\/p>\n<div class=\"auto-hide-last-sibling-br paragraph_1252f paragraph-element\">RFID-tags kan kategoriseres baseret p\u00e5 deres moduleringsmetoder i aktive og passive tilstande.<\/div>\n<p>&nbsp;<\/p>\n<ul class=\"auto-hide-last-sibling-br\">\n<li><strong>Aktiv tilstand:<\/strong>\u00a0I denne tilstand transmitterer RFID-tagget aktivt data ved hj\u00e6lp af dets RF-energi.<\/li>\n<li><strong>Passiv tilstand:<\/strong>\u00a0Tags i denne tilstand transmitterer data ved at modulere og sprede b\u00e6resignalet, der udsendes af l\u00e6seren. Denne tilstand er ideel til adgangskontrol og trafiksystemer, da den sikrer, at kun tags inden for et bestemt omr\u00e5de aktiveres. Aktive tags er s\u00e6rligt nyttige, hvor der er forhindringer og til l\u00e6ngere afstande (op til 100 meter), da deres signal kun beh\u00f8ver at passere \u00e9n gang gennem forhindringer.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h2 id=\"classification-by-operating-distance\" class=\"header_36220 auto-hide-last-sibling-br\"><span class=\"ez-toc-section\" id=\"Classification_by_Operating_Distance\"><\/span>Klassificering efter driftsafstand<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&nbsp;<\/p>\n<div class=\"auto-hide-last-sibling-br paragraph_1252f paragraph-element\">RFID-tags kan ogs\u00e5 klassificeres baseret p\u00e5 deres driftsafstand:<\/div>\n<p>&nbsp;<\/p>\n<ul class=\"auto-hide-last-sibling-br\">\n<li><strong>T\u00e6tte koblingsm\u00e6rker:<\/strong>\u00a0Driftsafstand er mindre end 1 cm.<\/li>\n<li><strong>T\u00e6t p\u00e5 koblingsm\u00e6rker:<\/strong>\u00a0Driftsafstand er mindre end 15 cm.<\/li>\n<li><strong>Sparsomme koblingsm\u00e6rker:<\/strong>\u00a0Driftsafstand er ca. 1 m.<\/li>\n<li><strong>Langdistance-tags:<\/strong>\u00a0Driftsafstande varierer fra 1 til 10 m eller mere.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h2 id=\"classification-by-chip\" class=\"header_36220 auto-hide-last-sibling-br\"><span class=\"ez-toc-section\" id=\"Classification_by_Chip\"><\/span>Klassificering efter Chip<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&nbsp;<\/p>\n<div class=\"auto-hide-last-sibling-br paragraph_1252f paragraph-element\">I et RFID-system omtales den signalmodtagende komponent typisk som en RFID-l\u00e6ser (eller kortl\u00e6ser). Den prim\u00e6re funktion af en RFID-l\u00e6ser er at lette datatransmission med RFID-tags.<\/div>\n<p>&nbsp;<\/p>\n<h2 id=\"conclusion\" class=\"header_36220 auto-hide-last-sibling-br\"><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span>Konklusion<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&nbsp;<\/p>\n<div class=\"auto-hide-last-sibling-br paragraph_1252f paragraph-element\">At forst\u00e5 de forskellige klassifikationer af RFID-tags hj\u00e6lper med at v\u00e6lge den rigtige type til specifikke applikationer. Disse klassifikationer, baseret p\u00e5 str\u00f8mforsyningstilstand, b\u00e6refrekvens, moduleringsmetoder, driftsafstande og chiptyper, giver en omfattende ramme til at bestemme den bedste RFID-tag til forskellige operationelle behov.<\/div>","protected":false},"excerpt":{"rendered":"<p>Introduktion RFID (Radio Frequency Identification) tags kan kategoriseres p\u00e5 forskellige m\u00e5der baseret p\u00e5 forskellige kriterier. Denne artikel giver et dybdeg\u00e5ende kig p\u00e5 klassificeringen af RFID-tags med fokus p\u00e5 deres str\u00f8mforsyningstilstande, b\u00e6refrekvenser, moduleringsmetoder, driftsafstande og chiptyper. Klassificering efter str\u00f8mforsyningstilstand RFID-tags kan opdeles [\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-2696","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/nfc-readers.com\/da\/wp-json\/wp\/v2\/posts\/2696","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=2696"}],"version-history":[{"count":1,"href":"https:\/\/nfc-readers.com\/da\/wp-json\/wp\/v2\/posts\/2696\/revisions"}],"predecessor-version":[{"id":2697,"href":"https:\/\/nfc-readers.com\/da\/wp-json\/wp\/v2\/posts\/2696\/revisions\/2697"}],"wp:attachment":[{"href":"https:\/\/nfc-readers.com\/da\/wp-json\/wp\/v2\/media?parent=2696"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nfc-readers.com\/da\/wp-json\/wp\/v2\/categories?post=2696"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nfc-readers.com\/da\/wp-json\/wp\/v2\/tags?post=2696"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}